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authorSujoy Ray <sujoy.ray@intel.com>2022-03-11 21:43:25 +0300
committerSujoy Ray <sujoy.ray@intel.com>2022-03-11 23:10:46 +0300
commit875e0c507c6de68fb61d2042041303d716bbcd30 (patch)
treecec6c4d2af2a5f53e6b16c8c391f880d8b864aa5 /drivers/clk
parentd640749c5f44fac25f8bd109c16ecadb5b79da97 (diff)
parent2befcc6bb0bb1e0a4a31391a359adcab3925b6e4 (diff)
downloadlinux-875e0c507c6de68fb61d2042041303d716bbcd30.tar.xz
Merge commit '2befcc6bb0bb1e0a4a31391a359adcab3925b6e4' of https://github.com/openbmc/linux into openbmc/linux_5.15.24_bump
Signed-off-by: Sujoy Ray <sujoy.ray@intel.com>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/at91/clk-master.c6
-rw-r--r--drivers/clk/at91/clk-sam9x60-pll.c4
-rw-r--r--drivers/clk/at91/pmc.c5
-rw-r--r--drivers/clk/at91/sama7g5.c11
-rw-r--r--drivers/clk/bcm/clk-bcm2835.c13
-rw-r--r--drivers/clk/clk-ast2600.c12
-rw-r--r--drivers/clk/clk-bm1880.c20
-rw-r--r--drivers/clk/clk-si5341.c2
-rw-r--r--drivers/clk/clk-stm32f4.c4
-rw-r--r--drivers/clk/clk.c33
-rw-r--r--drivers/clk/imx/clk-imx6ul.c2
-rw-r--r--drivers/clk/imx/clk-imx8mn.c6
-rw-r--r--drivers/clk/imx/clk-imx8qxp-lpcg.c2
-rw-r--r--drivers/clk/imx/clk-imx8qxp.c2
-rw-r--r--drivers/clk/ingenic/cgu.c6
-rw-r--r--drivers/clk/meson/gxbb.c44
-rw-r--r--drivers/clk/mvebu/ap-cpu-clk.c14
-rw-r--r--drivers/clk/qcom/clk-alpha-pll.c9
-rw-r--r--drivers/clk/qcom/clk-regmap-mux.c2
-rw-r--r--drivers/clk/qcom/common.c12
-rw-r--r--drivers/clk/qcom/common.h2
-rw-r--r--drivers/clk/qcom/gcc-msm8996.c15
-rw-r--r--drivers/clk/qcom/gcc-sc7280.c2
-rw-r--r--drivers/clk/qcom/gcc-sm6125.c4
-rw-r--r--drivers/clk/renesas/rzg2l-cpg.c17
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun4i-a10.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-a100.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-a64.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-h6.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-h616.c4
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun5i.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun6i-a31.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-a23.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-a33.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-a83t.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-de2.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-h3.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-r.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-r40.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-v3s.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c3
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c3
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun9i-a80.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu_common.c89
-rw-r--r--drivers/clk/sunxi-ng/ccu_common.h6
48 files changed, 257 insertions, 133 deletions
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index a80427980bf7..04d0dd838594 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -280,7 +280,7 @@ static int clk_master_pres_set_rate(struct clk_hw *hw, unsigned long rate,
else if (pres == 3)
pres = MASTER_PRES_MAX;
- else
+ else if (pres)
pres = ffs(pres) - 1;
spin_lock_irqsave(master->lock, flags);
@@ -309,7 +309,7 @@ static unsigned long clk_master_pres_recalc_rate(struct clk_hw *hw,
spin_unlock_irqrestore(master->lock, flags);
pres = (val >> master->layout->pres_shift) & MASTER_PRES_MASK;
- if (pres == 3 && characteristics->have_div3_pres)
+ if (pres == MASTER_PRES_MAX && characteristics->have_div3_pres)
pres = 3;
else
pres = (1 << pres);
@@ -610,7 +610,7 @@ static int clk_sama7g5_master_set_rate(struct clk_hw *hw, unsigned long rate,
if (div == 3)
div = MASTER_PRES_MAX;
- else
+ else if (div)
div = ffs(div) - 1;
spin_lock_irqsave(master->lock, flags);
diff --git a/drivers/clk/at91/clk-sam9x60-pll.c b/drivers/clk/at91/clk-sam9x60-pll.c
index 34e3ab13741a..1f52409475e9 100644
--- a/drivers/clk/at91/clk-sam9x60-pll.c
+++ b/drivers/clk/at91/clk-sam9x60-pll.c
@@ -71,8 +71,8 @@ static unsigned long sam9x60_frac_pll_recalc_rate(struct clk_hw *hw,
struct sam9x60_pll_core *core = to_sam9x60_pll_core(hw);
struct sam9x60_frac *frac = to_sam9x60_frac(core);
- return (parent_rate * (frac->mul + 1) +
- ((u64)parent_rate * frac->frac >> 22));
+ return parent_rate * (frac->mul + 1) +
+ DIV_ROUND_CLOSEST_ULL((u64)parent_rate * frac->frac, (1 << 22));
}
static int sam9x60_frac_pll_prepare(struct clk_hw *hw)
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index 20ee9dccee78..b40035b011d0 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -267,6 +267,11 @@ static int __init pmc_register_ops(void)
if (!np)
return -ENODEV;
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return -ENODEV;
+ }
+
pmcreg = device_node_to_regmap(np);
of_node_put(np);
if (IS_ERR(pmcreg))
diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c
index cf8c079aa086..019e712f90d6 100644
--- a/drivers/clk/at91/sama7g5.c
+++ b/drivers/clk/at91/sama7g5.c
@@ -982,16 +982,7 @@ static void __init sama7g5_pmc_setup(struct device_node *np)
}
parent_names[0] = "cpupll_divpmcck";
- hw = at91_clk_register_master_pres(regmap, "cpuck", 1, parent_names,
- &mck0_layout, &mck0_characteristics,
- &pmc_mck0_lock,
- CLK_SET_RATE_PARENT, 0);
- if (IS_ERR(hw))
- goto err_free;
-
- sama7g5_pmc->chws[PMC_CPU] = hw;
-
- hw = at91_clk_register_master_div(regmap, "mck0", "cpuck",
+ hw = at91_clk_register_master_div(regmap, "mck0", "cpupll_divpmcck",
&mck0_layout, &mck0_characteristics,
&pmc_mck0_lock, 0);
if (IS_ERR(hw))
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index a254512965eb..3667b4d731e7 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -932,8 +932,7 @@ static int bcm2835_clock_is_on(struct clk_hw *hw)
static u32 bcm2835_clock_choose_div(struct clk_hw *hw,
unsigned long rate,
- unsigned long parent_rate,
- bool round_up)
+ unsigned long parent_rate)
{
struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw);
const struct bcm2835_clock_data *data = clock->data;
@@ -945,10 +944,6 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw,
rem = do_div(temp, rate);
div = temp;
-
- /* Round up and mask off the unused bits */
- if (round_up && ((div & unused_frac_mask) != 0 || rem != 0))
- div += unused_frac_mask + 1;
div &= ~unused_frac_mask;
/* different clamping limits apply for a mash clock */
@@ -1079,7 +1074,7 @@ static int bcm2835_clock_set_rate(struct clk_hw *hw,
struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw);
struct bcm2835_cprman *cprman = clock->cprman;
const struct bcm2835_clock_data *data = clock->data;
- u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate, false);
+ u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate);
u32 ctl;
spin_lock(&cprman->regs_lock);
@@ -1130,7 +1125,7 @@ static unsigned long bcm2835_clock_choose_div_and_prate(struct clk_hw *hw,
if (!(BIT(parent_idx) & data->set_rate_parent)) {
*prate = clk_hw_get_rate(parent);
- *div = bcm2835_clock_choose_div(hw, rate, *prate, true);
+ *div = bcm2835_clock_choose_div(hw, rate, *prate);
*avgrate = bcm2835_clock_rate_from_divisor(clock, *prate, *div);
@@ -1216,7 +1211,7 @@ static int bcm2835_clock_determine_rate(struct clk_hw *hw,
rate = bcm2835_clock_choose_div_and_prate(hw, i, req->rate,
&div, &prate,
&avgrate);
- if (rate > best_rate && rate <= req->rate) {
+ if (abs(req->rate - rate) < abs(req->rate - best_rate)) {
best_parent = parent;
best_prate = prate;
best_rate = rate;
diff --git a/drivers/clk/clk-ast2600.c b/drivers/clk/clk-ast2600.c
index f4d768adc435..b9395da8bcf7 100644
--- a/drivers/clk/clk-ast2600.c
+++ b/drivers/clk/clk-ast2600.c
@@ -69,6 +69,8 @@ static DEFINE_SPINLOCK(aspeed_g6_clk_lock);
static struct clk_hw_onecell_data *aspeed_g6_clk_data;
static void __iomem *scu_g6_base;
+/* AST2600 revision: A0, A1, A2, etc */
+static u8 soc_rev;
/*
* Clocks marked with CLK_IS_CRITICAL:
@@ -209,9 +211,8 @@ static struct clk_hw *ast2600_calc_pll(const char *name, u32 val)
static struct clk_hw *ast2600_calc_apll(const char *name, u32 val)
{
unsigned int mult, div;
- u32 chip_id = readl(scu_g6_base + ASPEED_G6_SILICON_REV);
- if (((chip_id & CHIP_REVISION_ID) >> 16) >= 2) {
+ if (soc_rev >= 2) {
if (val & BIT(24)) {
/* Pass through mode */
mult = div = 1;
@@ -734,7 +735,7 @@ static const u32 ast2600_a1_axi_ahb200_tbl[] = {
static void __init aspeed_g6_cc(struct regmap *map)
{
struct clk_hw *hw;
- u32 val, div, divbits, chip_id, axi_div, ahb_div;
+ u32 val, div, divbits, axi_div, ahb_div;
clk_hw_register_fixed_rate(NULL, "clkin", NULL, 0, 25000000);
@@ -765,8 +766,7 @@ static void __init aspeed_g6_cc(struct regmap *map)
axi_div = 2;
divbits = (val >> 11) & 0x3;
- regmap_read(map, ASPEED_G6_SILICON_REV, &chip_id);
- if (chip_id & BIT(16)) {
+ if (soc_rev >= 1) {
if (!divbits) {
ahb_div = ast2600_a1_axi_ahb200_tbl[(val >> 8) & 0x3];
if (val & BIT(16))
@@ -825,6 +825,8 @@ static void __init aspeed_g6_cc_init(struct device_node *np)
if (!scu_g6_base)
return;
+ soc_rev = (readl(scu_g6_base + ASPEED_G6_SILICON_REV) & CHIP_REVISION_ID) >> 16;
+
aspeed_g6_clk_data = kzalloc(struct_size(aspeed_g6_clk_data, hws,
ASPEED_G6_NUM_CLKS), GFP_KERNEL);
if (!aspeed_g6_clk_data)
diff --git a/drivers/clk/clk-bm1880.c b/drivers/clk/clk-bm1880.c
index e6d6599d310a..fad78a22218e 100644
--- a/drivers/clk/clk-bm1880.c
+++ b/drivers/clk/clk-bm1880.c
@@ -522,14 +522,6 @@ static struct clk_hw *bm1880_clk_register_pll(struct bm1880_pll_hw_clock *pll_cl
return hw;
}
-static void bm1880_clk_unregister_pll(struct clk_hw *hw)
-{
- struct bm1880_pll_hw_clock *pll_hw = to_bm1880_pll_clk(hw);
-
- clk_hw_unregister(hw);
- kfree(pll_hw);
-}
-
static int bm1880_clk_register_plls(struct bm1880_pll_hw_clock *clks,
int num_clks,
struct bm1880_clock_data *data)
@@ -555,7 +547,7 @@ static int bm1880_clk_register_plls(struct bm1880_pll_hw_clock *clks,
err_clk:
while (i--)
- bm1880_clk_unregister_pll(data->hw_data.hws[clks[i].pll.id]);
+ clk_hw_unregister(data->hw_data.hws[clks[i].pll.id]);
return PTR_ERR(hw);
}
@@ -695,14 +687,6 @@ static struct clk_hw *bm1880_clk_register_div(struct bm1880_div_hw_clock *div_cl
return hw;
}
-static void bm1880_clk_unregister_div(struct clk_hw *hw)
-{
- struct bm1880_div_hw_clock *div_hw = to_bm1880_div_clk(hw);
-
- clk_hw_unregister(hw);
- kfree(div_hw);
-}
-
static int bm1880_clk_register_divs(struct bm1880_div_hw_clock *clks,
int num_clks,
struct bm1880_clock_data *data)
@@ -729,7 +713,7 @@ static int bm1880_clk_register_divs(struct bm1880_div_hw_clock *clks,
err_clk:
while (i--)
- bm1880_clk_unregister_div(data->hw_data.hws[clks[i].div.id]);
+ clk_hw_unregister(data->hw_data.hws[clks[i].div.id]);
return PTR_ERR(hw);
}
diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c
index 57ae183982d8..f7b41366666e 100644
--- a/drivers/clk/clk-si5341.c
+++ b/drivers/clk/clk-si5341.c
@@ -1740,7 +1740,7 @@ static int si5341_probe(struct i2c_client *client,
clk_prepare(data->clk[i].hw.clk);
}
- err = of_clk_add_hw_provider(client->dev.of_node, of_clk_si5341_get,
+ err = devm_of_clk_add_hw_provider(&client->dev, of_clk_si5341_get,
data);
if (err) {
dev_err(&client->dev, "unable to add clk provider\n");
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index af46176ad053..473dfe632cc5 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@@ -129,7 +129,6 @@ static const struct stm32f4_gate_data stm32f429_gates[] __initconst = {
{ STM32F4_RCC_APB2ENR, 20, "spi5", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" },
- { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" },
};
static const struct stm32f4_gate_data stm32f469_gates[] __initconst = {
@@ -211,7 +210,6 @@ static const struct stm32f4_gate_data stm32f469_gates[] __initconst = {
{ STM32F4_RCC_APB2ENR, 20, "spi5", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" },
- { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" },
};
static const struct stm32f4_gate_data stm32f746_gates[] __initconst = {
@@ -286,7 +284,6 @@ static const struct stm32f4_gate_data stm32f746_gates[] __initconst = {
{ STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 23, "sai2", "apb2_div" },
- { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" },
};
static const struct stm32f4_gate_data stm32f769_gates[] __initconst = {
@@ -364,7 +361,6 @@ static const struct stm32f4_gate_data stm32f769_gates[] __initconst = {
{ STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 23, "sai2", "apb2_div" },
- { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" },
{ STM32F4_RCC_APB2ENR, 30, "mdio", "apb2_div" },
};
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 65508eb89ec9..ac11cefc3191 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3340,6 +3340,24 @@ static int __init clk_debug_init(void)
{
struct clk_core *core;
+#ifdef CLOCK_ALLOW_WRITE_DEBUGFS
+ pr_warn("\n");
+ pr_warn("********************************************************************\n");
+ pr_warn("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **\n");
+ pr_warn("** **\n");
+ pr_warn("** WRITEABLE clk DebugFS SUPPORT HAS BEEN ENABLED IN THIS KERNEL **\n");
+ pr_warn("** **\n");
+ pr_warn("** This means that this kernel is built to expose clk operations **\n");
+ pr_warn("** such as parent or rate setting, enabling, disabling, etc. **\n");
+ pr_warn("** to userspace, which may compromise security on your system. **\n");
+ pr_warn("** **\n");
+ pr_warn("** If you see this message and you are not debugging the **\n");
+ pr_warn("** kernel, report this immediately to your vendor! **\n");
+ pr_warn("** **\n");
+ pr_warn("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **\n");
+ pr_warn("********************************************************************\n");
+#endif
+
rootdir = debugfs_create_dir("clk", NULL);
debugfs_create_file("clk_summary", 0444, rootdir, &all_lists,
@@ -3415,6 +3433,14 @@ static int __clk_core_init(struct clk_core *core)
clk_prepare_lock();
+ /*
+ * Set hw->core after grabbing the prepare_lock to synchronize with
+ * callers of clk_core_fill_parent_index() where we treat hw->core
+ * being NULL as the clk not being registered yet. This is crucial so
+ * that clks aren't parented until their parent is fully registered.
+ */
+ core->hw->core = core;
+
ret = clk_pm_runtime_get(core);
if (ret)
goto unlock;
@@ -3579,8 +3605,10 @@ static int __clk_core_init(struct clk_core *core)
out:
clk_pm_runtime_put(core);
unlock:
- if (ret)
+ if (ret) {
hlist_del_init(&core->child_node);
+ core->hw->core = NULL;
+ }
clk_prepare_unlock();
@@ -3844,7 +3872,6 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
core->num_parents = init->num_parents;
core->min_rate = 0;
core->max_rate = ULONG_MAX;
- hw->core = core;
ret = clk_core_populate_parent_map(core, init);
if (ret)
@@ -3862,7 +3889,7 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
goto fail_create_clk;
}
- clk_core_link_consumer(hw->core, hw->clk);
+ clk_core_link_consumer(core, hw->clk);
ret = __clk_core_init(core);
if (!ret)
diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c
index 5dbb6a937732..206e4c43f68f 100644
--- a/drivers/clk/imx/clk-imx6ul.c
+++ b/drivers/clk/imx/clk-imx6ul.c
@@ -161,7 +161,6 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
hws[IMX6UL_PLL5_BYPASS] = imx_clk_hw_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT);
hws[IMX6UL_PLL6_BYPASS] = imx_clk_hw_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT);
hws[IMX6UL_PLL7_BYPASS] = imx_clk_hw_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT);
- hws[IMX6UL_CLK_CSI_SEL] = imx_clk_hw_mux_flags("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels), CLK_SET_RATE_PARENT);
/* Do not bypass PLLs initially */
clk_set_parent(hws[IMX6UL_PLL1_BYPASS]->clk, hws[IMX6UL_CLK_PLL1]->clk);
@@ -270,6 +269,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
hws[IMX6UL_CLK_ECSPI_SEL] = imx_clk_hw_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels));
hws[IMX6UL_CLK_LCDIF_PRE_SEL] = imx_clk_hw_mux_flags("lcdif_pre_sel", base + 0x38, 15, 3, lcdif_pre_sels, ARRAY_SIZE(lcdif_pre_sels), CLK_SET_RATE_PARENT);
hws[IMX6UL_CLK_LCDIF_SEL] = imx_clk_hw_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels));
+ hws[IMX6UL_CLK_CSI_SEL] = imx_clk_hw_mux("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels));
hws[IMX6UL_CLK_LDB_DI0_DIV_SEL] = imx_clk_hw_mux("ldb_di0", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels));
hws[IMX6UL_CLK_LDB_DI1_DIV_SEL] = imx_clk_hw_mux("ldb_di1", base + 0x20, 11, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels));
diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index c55577604e16..021355a24708 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -277,9 +277,9 @@ static const char * const imx8mn_pdm_sels[] = {"osc_24m", "sys_pll2_100m", "audi
static const char * const imx8mn_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", };
-static const char * const imx8mn_clko1_sels[] = {"osc_24m", "sys_pll1_800m", "osc_27m",
- "sys_pll1_200m", "audio_pll2_out", "vpu_pll",
- "sys_pll1_80m", };
+static const char * const imx8mn_clko1_sels[] = {"osc_24m", "sys_pll1_800m", "dummy",
+ "sys_pll1_200m", "audio_pll2_out", "sys_pll2_500m",
+ "dummy", "sys_pll1_80m", };
static const char * const imx8mn_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_400m",
"sys_pll2_166m", "sys_pll3_out", "audio_pll1_out",
"video_pll1_out", "osc_32k", };
diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c
index d3e905cf867d..b23758083ce5 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
@@ -370,7 +370,7 @@ static struct platform_driver imx8qxp_lpcg_clk_driver = {
.probe = imx8qxp_lpcg_clk_probe,
};
-builtin_platform_driver(imx8qxp_lpcg_clk_driver);
+module_platform_driver(imx8qxp_lpcg_clk_driver);
MODULE_AUTHOR("Aisheng Dong <aisheng.dong@nxp.com>");
MODULE_DESCRIPTION("NXP i.MX8QXP LPCG clock driver");
diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index c53a688d8ccc..40a2efb1329b 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c
@@ -308,7 +308,7 @@ static struct platform_driver imx8qxp_clk_driver = {
},
.probe = imx8qxp_clk_probe,
};
-builtin_platform_driver(imx8qxp_clk_driver);
+module_platform_driver(imx8qxp_clk_driver);
MODULE_AUTHOR("Aisheng Dong <aisheng.dong@nxp.com>");
MODULE_DESCRIPTION("NXP i.MX8QXP clock driver");
diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
index 266c7595d330..af31633a8862 100644
--- a/drivers/clk/ingenic/cgu.c
+++ b/drivers/clk/ingenic/cgu.c
@@ -453,15 +453,15 @@ ingenic_clk_calc_div(struct clk_hw *hw,
}
/* Impose hardware constraints */
- div = min_t(unsigned, div, 1 << clk_info->div.bits);
- div = max_t(unsigned, div, 1);
+ div = clamp_t(unsigned int, div, clk_info->div.div,
+ clk_info->div.div << clk_info->div.bits);
/*
* If the divider value itself must be divided before being written to
* the divider register, we must ensure we don't have any bits set that
* would be lost as a result of doing so.
*/
- div /= clk_info->div.div;
+ div = DIV_ROUND_UP(div, clk_info->div.div);
div *= clk_info->div.div;
return div;
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index d6eed760327d..608e0e8ca49a 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -720,6 +720,35 @@ static struct clk_regmap gxbb_mpll0_div = {
.width = 14,
},
.sdm_en = {
+ .reg_off = HHI_MPLL_CNTL,
+ .shift = 25,
+ .width = 1,
+ },
+ .n2 = {
+ .reg_off = HHI_MPLL_CNTL7,
+ .shift = 16,
+ .width = 9,
+ },
+ .lock = &meson_clk_lock,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll0_div",
+ .ops = &meson_clk_mpll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &gxbb_mpll_prediv.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap gxl_mpll0_div = {
+ .data = &(struct meson_clk_mpll_data){
+ .sdm = {
+ .reg_off = HHI_MPLL_CNTL7,
+ .shift = 0,
+ .width = 14,
+ },
+ .sdm_en = {
.reg_off = HHI_MPLL_CNTL7,
.shift = 15,
.width = 1,
@@ -749,7 +778,16 @@ static struct clk_regmap gxbb_mpll0 = {
.hw.init = &(struct clk_init_data){
.name = "mpll0",
.ops = &clk_regmap_gate_ops,
- .parent_hws = (const struct clk_hw *[]) { &gxbb_mpll0_div.hw },
+ .parent_data = &(const struct clk_parent_data) {
+ /*
+ * Note:
+ * GXL and GXBB have different SDM_EN registers. We
+ * fallback to the global naming string mechanism so
+ * mpll0_div picks up the appropriate one.
+ */
+ .name = "mpll0_div",
+ .index = -1,
+ },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
@@ -3044,7 +3082,7 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = {
[CLKID_VAPB_1] = &gxbb_vapb_1.hw,
[CLKID_VAPB_SEL] = &gxbb_vapb_sel.hw,
[CLKID_VAPB] = &gxbb_vapb.hw,
- [CLKID_MPLL0_DIV] = &gxbb_mpll0_div.hw,
+ [CLKID_MPLL0_DIV] = &gxl_mpll0_div.hw,
[CLKID_MPLL1_DIV] = &gxbb_mpll1_div.hw,
[CLKID_MPLL2_DIV] = &gxbb_mpll2_div.hw,
[CLKID_MPLL_PREDIV] = &gxbb_mpll_prediv.hw,
@@ -3439,7 +3477,7 @@ static struct clk_regmap *const gxl_clk_regmaps[] = {
&gxbb_mpll0,
&gxbb_mpll1,
&gxbb_mpll2,
- &gxbb_mpll0_div,
+ &gxl_mpll0_div,
&gxbb_mpll1_div,
&gxbb_mpll2_div,
&gxbb_cts_amclk_div,
diff --git a/drivers/clk/mvebu/ap-cpu-clk.c b/drivers/clk/mvebu/ap-cpu-clk.c
index 08ba59ec3fb1..71bdd7c3ff03 100644
--- a/drivers/clk/mvebu/ap-cpu-clk.c
+++ b/drivers/clk/mvebu/ap-cpu-clk.c
@@ -256,12 +256,15 @@ static int ap_cpu_clock_probe(struct platform_device *pdev)
int cpu, err;
err = of_property_read_u32(dn, "reg", &cpu);
- if (WARN_ON(err))
+ if (WARN_ON(err)) {
+ of_node_put(dn);
return err;
+ }
/* If cpu2 or cpu3 is enabled */
if (cpu & APN806_CLUSTER_NUM_MASK) {
nclusters = 2;
+ of_node_put(dn);
break;
}
}
@@ -288,8 +291,10 @@ static int ap_cpu_clock_probe(struct platform_device *pdev)
int cpu, err;
err = of_property_read_u32(dn, "reg", &cpu);
- if (WARN_ON(err))
+ if (WARN_ON(err)) {
+ of_node_put(dn);
return err;
+ }
cluster_index = cpu & APN806_CLUSTER_NUM_MASK;
cluster_index >>= APN806_CLUSTER_NUM_OFFSET;
@@ -301,6 +306,7 @@ static int ap_cpu_clock_probe(struct platform_device *pdev)
parent = of_clk_get(np, cluster_index);
if (IS_ERR(parent)) {
dev_err(dev, "Could not get the clock parent\n");
+ of_node_put(dn);
return -EINVAL;
}
parent_name = __clk_get_name(parent);
@@ -319,8 +325,10 @@ static int ap_cpu_clock_probe(struct platform_device *pdev)
init.parent_names = &parent_name;
ret = devm_clk_hw_register(dev, &ap_cpu_clk[cluster_index].hw);
- if (ret)
+ if (ret) {
+ of_node_put(dn);
return ret;
+ }
ap_cpu_data->hws[cluster_index] = &ap_cpu_clk[cluster_index].hw;
}
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index eaedcceb766f..8f65b9bdafce 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -1429,6 +1429,15 @@ EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_fabia_ops);
void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
const struct alpha_pll_config *config)
{
+ /*
+ * If the bootloader left the PLL enabled it's likely that there are
+ * RCGs that will lock up if we disable the PLL below.
+ */
+ if (trion_pll_is_enabled(pll, regmap)) {
+ pr_debug("Trion PLL is already enabled, skipping configuration\n");
+ return;
+ }
+
clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l);
regmap_write(regmap, PLL_CAL_L_VAL(pll), TRION_PLL_CAL_VAL);
clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha);
diff --git a/drivers/clk/qcom/clk-regmap-mux.c b/drivers/clk/qcom/clk-regmap-mux.c
index b2d00b451963..45d9cca28064 100644
--- a/drivers/clk/qcom/clk-regmap-mux.c
+++ b/drivers/clk/qcom/clk-regmap-mux.c
@@ -28,7 +28,7 @@ static u8 mux_get_parent(struct clk_hw *hw)
val &= mask;
if (mux->parent_map)
- return qcom_find_src_index(hw, mux->parent_map, val);
+ return qcom_find_cfg_index(hw, mux->parent_map, val);
return val;
}
diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 60d2a78d1395..2af04fc4abfa 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -69,6 +69,18 @@ int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, u8 src)
}
EXPORT_SYMBOL_GPL(qcom_find_src_index);
+int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, u8 cfg)
+{
+ int i, num_parents = clk_hw_get_num_parents(hw);
+
+ for (i = 0; i < num_parents; i++)
+ if (cfg == map[i].cfg)
+ return i;
+
+ return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(qcom_find_cfg_index);
+
struct regmap *
qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc)
{
diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h
index bb39a7e106d8..9c8f7b798d9f 100644
--- a/drivers/clk/qcom/common.h
+++ b/drivers/clk/qcom/common.h
@@ -49,6 +49,8 @@ extern void
qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
u8 src);
+extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
+ u8 cfg);
extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
const char *name, unsigned long rate);
diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c
index 3c3a7ff04562..9b1674b28d45 100644
--- a/drivers/clk/qcom/gcc-msm8996.c
+++ b/drivers/clk/qcom/gcc-msm8996.c
@@ -2937,20 +2937,6 @@ static struct clk_branch gcc_smmu_aggre0_ahb_clk = {
},
};
-static struct clk_branch gcc_aggre1_pnoc_ahb_clk = {
- .halt_reg = 0x82014,
- .clkr = {
- .enable_reg = 0x82014,
- .enable_mask = BIT(0),
- .hw.init = &(struct clk_init_data){
- .name = "gcc_aggre1_pnoc_ahb_clk",
- .parent_names = (const char *[]){ "periph_noc_clk_src" },
- .num_parents = 1,
- .ops = &clk_branch2_ops,
- },
- },
-};
-
static struct clk_branch gcc_aggre2_ufs_axi_clk = {
.halt_reg = 0x83014,
.clkr = {
@@ -3474,7 +3460,6 @@ static struct clk_regmap *gcc_msm8996_clocks[] = {
[GCC_AGGRE0_CNOC_AHB_CLK] = &gcc_aggre0_cnoc_ahb_clk.clkr,
[GCC_SMMU_AGGRE0_AXI_CLK] = &gcc_smmu_aggre0_axi_clk.clkr,
[GCC_SMMU_AGGRE0_AHB_CLK] = &gcc_smmu_aggre0_ahb_clk.clkr,
- [GCC_AGGRE1_PNOC_AHB_CLK] = &gcc_aggre1_pnoc_ahb_clk.clkr,
[GCC_AGGRE2_UFS_AXI_CLK] = &gcc_aggre2_ufs_axi_clk.clkr,
[GCC_AGGRE2_USB3_AXI_CLK] = &gcc_aggre2_usb3_axi_clk.clkr,
[GCC_QSPI_AHB_CLK] = &gcc_qspi_ahb_clk.clkr,
diff --git a/drivers/clk/qcom/gcc-sc7280.c b/drivers/clk/qcom/gcc-sc7280.c
index 6cefcdc86990..ce7c5ba2b9b7 100644
--- a/drivers/clk/qcom/gcc-sc7280.c
+++ b/drivers/clk/qcom/gcc-sc7280.c
@@ -2998,7 +2998,7 @@ static struct clk_branch gcc_cfg_noc_lpass_clk = {
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_cfg_noc_lpass_clk",
- .ops = &clk_branch2_ops,
+ .ops = &clk_branch2_aon_ops,
},
},
};
diff --git a/drivers/clk/qcom/gcc-sm6125.c b/drivers/clk/qcom/gcc-sm6125.c
index 543cfab7561f..431b55bb0d2f 100644
--- a/drivers/clk/qcom/gcc-sm6125.c
+++ b/drivers/clk/qcom/gcc-sm6125.c
@@ -1121,7 +1121,7 @@ static struct clk_rcg2 gcc_sdcc1_apps_clk_src = {
.name = "gcc_sdcc1_apps_clk_src",
.parent_data = gcc_parent_data_1,
.num_parents = ARRAY_SIZE(gcc_parent_data_1),
- .ops = &clk_rcg2_ops,
+ .ops = &clk_rcg2_floor_ops,
},
};
@@ -1143,7 +1143,7 @@ static struct clk_rcg2 gcc_sdcc1_ice_core_clk_src = {
.name = "gcc_sdcc1_ice_core_clk_src",
.parent_data = gcc_parent_data_0,
.num_parents = ARRAY_SIZE(gcc_parent_data_0),
- .ops = &clk_rcg2_floor_ops,
+ .ops = &clk_rcg2_ops,
},
};
diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c
index 761922ea5db7..1c92e73cd2b8 100644
--- a/drivers/clk/renesas/rzg2l-cpg.c
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@@ -638,10 +638,16 @@ static void rzg2l_cpg_detach_dev(struct generic_pm_domain *unused, struct device
pm_clk_destroy(dev);
}
+static void rzg2l_cpg_genpd_remove(void *data)
+{
+ pm_genpd_remove(data);
+}
+
static int __init rzg2l_cpg_add_clk_domain(struct device *dev)
{
struct device_node *np = dev->of_node;
struct generic_pm_domain *genpd;
+ int ret;
genpd = devm_kzalloc(dev, sizeof(*genpd), GFP_KERNEL);
if (!genpd)
@@ -652,10 +658,15 @@ static int __init rzg2l_cpg_add_clk_domain(struct device *dev)
GENPD_FLAG_ACTIVE_WAKEUP;
genpd->attach_dev = rzg2l_cpg_attach_dev;
genpd->detach_dev = rzg2l_cpg_detach_dev;
- pm_genpd_init(genpd, &pm_domain_always_on_gov, false);
+ ret = pm_genpd_init(genpd, &pm_domain_always_on_gov, false);
+ if (ret)
+ return ret;
- of_genpd_add_provider_simple(np, genpd);
- return 0;
+ ret = devm_add_action_or_reset(dev, rzg2l_cpg_genpd_remove, genpd);
+ if (ret)
+ return ret;
+
+ return of_genpd_add_provider_simple(np, genpd);
}
static int __init rzg2l_cpg_probe(struct platform_device *pdev)
diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
index f32366d9336e..bd9a8782fec3 100644
--- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
+++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
@@ -1464,7 +1464,7 @@ static void __init sun4i_ccu_init(struct device_node *node,
val &= ~GENMASK(7, 6);
writel(val | (2 << 6), reg + SUN4I_AHB_REG);
- sunxi_ccu_probe(node, reg, desc);
+ of_sunxi_ccu_probe(node, reg, desc);
}
static void __init sun4i_a10_ccu_setup(struct device_node *node)
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c
index a56142b90993..6f2a58970556 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c
@@ -196,7 +196,7 @@ static int sun50i_a100_r_ccu_probe(struct platform_device *pdev)
if (IS_ERR(reg))
return PTR_ERR(reg);
- return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a100_r_ccu_desc);
+ return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a100_r_ccu_desc);
}
static const struct of_device_id sun50i_a100_r_ccu_ids[] = {
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c
index 81b48c73d389..913bb08e6dee 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c
@@ -1247,7 +1247,7 @@ static int sun50i_a100_ccu_probe(struct platform_device *pdev)
writel(val, reg + sun50i_a100_usb2_clk_regs[i]);
}
- ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a100_ccu_desc);
+ ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a100_ccu_desc);
if (ret)
return ret;
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
index 149cfde817cb..54f25c624f02 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@@ -955,7 +955,7 @@ static int sun50i_a64_ccu_probe(struct platform_device *pdev)
writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG);
- ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a64_ccu_desc);
+ ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a64_ccu_desc);
if (ret)
return ret;
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
index f8909a7ed553..f30d7eb5424d 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
@@ -232,7 +232,7 @@ static void __init sunxi_r_ccu_init(struct device_node *node,
return;
}
- sunxi_ccu_probe(node, reg, desc);
+ of_sunxi_ccu_probe(node, reg, desc);
}
static void __init sun50i_h6_r_ccu_setup(struct device_node *node)
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
index bff446b78290..c0800da2fa3d 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
@@ -1240,7 +1240,7 @@ static int sun50i_h6_ccu_probe(struct platform_device *pdev)
val |= BIT(24);
writel(val, reg + SUN50I_H6_HDMI_CEC_CLK_REG);
- return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_h6_ccu_desc);
+ return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_h6_ccu_desc);
}
static const struct of_device_id sun50i_h6_ccu_ids[] = {
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
index 225307305880..22eb18079a15 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
@@ -1141,9 +1141,7 @@ static void __init sun50i_h616_ccu_setup(struct device_node *node)
val |= BIT(24);
writel(val, reg + SUN50I_H616_HDMI_CEC_CLK_REG);
- i = sunxi_ccu_probe(node, reg, &sun50i_h616_ccu_desc);
- if (i)
- pr_err("%pOF: probing clocks fails: %d\n", node, i);
+ of_sunxi_ccu_probe(node, reg, &sun50i_h616_ccu_desc);
}
CLK_OF_DECLARE(sun50i_h616_ccu, "allwinner,sun50i-h616-ccu",
diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c
index b78e9b507c1c..1f4bc0e773a7 100644
--- a/drivers/clk/sunxi-ng/ccu-sun5i.c
+++ b/drivers/clk/sunxi-ng/ccu-sun5i.c
@@ -1012,7 +1012,7 @@ static void __init sun5i_ccu_init(struct device_node *node,
val &= ~GENMASK(7, 6);
writel(val | (2 << 6), reg + SUN5I_AHB_REG);
- sunxi_ccu_probe(node, reg, desc);
+ of_sunxi_ccu_probe(node, reg, desc);
}
static void __init sun5i_a10s_ccu_setup(struct device_node *node)
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
index 9b40d53266a3..3df5c0b41580 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
@@ -1257,7 +1257,7 @@ static void __init sun6i_a31_ccu_setup(struct device_node *node)
val |= 0x3 << 12;
writel(val, reg + SUN6I_A31_AHB1_REG);
- sunxi_ccu_probe(node, reg, &sun6i_a31_ccu_desc);
+ of_sunxi_ccu_probe(node, reg, &sun6i_a31_ccu_desc);
ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk,
&sun6i_a31_cpu_nb);
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
index 103aa504f6c8..577bb235d658 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
@@ -745,7 +745,7 @@ static void __init sun8i_a23_ccu_setup(struct device_node *node)
val &= ~BIT(16);
writel(val, reg + SUN8I_A23_PLL_MIPI_REG);
- sunxi_ccu_probe(node, reg, &sun8i_a23_ccu_desc);
+ of_sunxi_ccu_probe(node, reg, &sun8i_a23_ccu_desc);
}
CLK_OF_DECLARE(sun8i_a23_ccu, "allwinner,sun8i-a23-ccu",
sun8i_a23_ccu_setup);
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
index 91838cd11037..8f65cd03f5ac 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
@@ -805,7 +805,7 @@ static void __init sun8i_a33_ccu_setup(struct device_node *node)
val &= ~BIT(16);
writel(val, reg + SUN8I_A33_PLL_MIPI_REG);
- sunxi_ccu_probe(node, reg, &sun8i_a33_ccu_desc);
+ of_sunxi_ccu_probe(node, reg, &sun8i_a33_ccu_desc);
/* Gate then ungate PLL CPU after any rate changes */
ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb);
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c
index 2b434521c5cc..c2ddcd2ddab4 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c
@@ -906,7 +906,7 @@ static int sun8i_a83t_ccu_probe(struct platform_device *pdev)
sun8i_a83t_cpu_pll_fixup(reg + SUN8I_A83T_PLL_C0CPUX_REG);
sun8i_a83t_cpu_pll_fixup(reg + SUN8I_A83T_PLL_C1CPUX_REG);
- return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun8i_a83t_ccu_desc);
+ return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun8i_a83t_ccu_desc);
}
static const struct of_device_id sun8i_a83t_ccu_ids[] = {
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
index 524f33275bc7..4b94b6041b27 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
@@ -342,7 +342,7 @@ static int sunxi_de2_clk_probe(struct platform_device *pdev)
goto err_disable_mod_clk;
}
- ret = sunxi_ccu_probe(pdev->dev.of_node, reg, ccu_desc);
+ ret = devm_sunxi_ccu_probe(&pdev->dev, reg, ccu_desc);
if (ret)
goto err_assert_reset;
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
index 7e629a4493af..d2fc2903787d 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -1154,7 +1154,7 @@ static void __init sunxi_h3_h5_ccu_init(struct device_node *node,
val &= ~GENMASK(19, 16);
writel(val | (0 << 16), reg + SUN8I_H3_PLL_AUDIO_REG);
- sunxi_ccu_probe(node, reg, desc);
+ of_sunxi_ccu_probe(node, reg, desc);
/* Gate then ungate PLL CPU after any rate changes */
ccu_pll_notifier_register(&sun8i_h3_pll_cpu_nb);
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r.c b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
index 4c8c491b87c2..9e754d1f754a 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
@@ -265,7 +265,7 @@ static void __init sunxi_r_ccu_init(struct device_node *node,
return;
}
- sunxi_ccu_probe(node, reg, desc);
+ of_sunxi_ccu_probe(node, reg, desc);
}
static void __init sun8i_a83t_r_ccu_setup(struct device_node *node)
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
index 84153418453f..002e0c3a04db 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
@@ -1346,7 +1346,7 @@ static int sun8i_r40_ccu_probe(struct platform_device *pdev)
if (IS_ERR(regmap))
return PTR_ERR(regmap);
- ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun8i_r40_ccu_desc);
+ ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun8i_r40_ccu_desc);
if (ret)
return ret;
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
index f49724a22540..ce150f83ab54 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
@@ -822,7 +822,7 @@ static void __init sun8i_v3_v3s_ccu_init(struct device_node *node,
val &= ~GENMASK(19, 16);
writel(val, reg + SUN8I_V3S_PLL_AUDIO_REG);
- sunxi_ccu_probe(node, reg, ccu_desc);
+ of_sunxi_ccu_probe(node, reg, ccu_desc);
}
static void __init sun8i_v3s_ccu_setup(struct device_node *node)
diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
index 6616e8114f62..261e64416f26 100644
--- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
@@ -246,8 +246,7 @@ static int sun9i_a80_de_clk_probe(struct platform_device *pdev)
goto err_disable_clk;
}
- ret = sunxi_ccu_probe(pdev->dev.of_node, reg,
- &sun9i_a80_de_clk_desc);
+ ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun9i_a80_de_clk_desc);
if (ret)
goto err_assert_reset;
diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
index 4b4a507d04ed..596243b3e0fa 100644
--- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
@@ -117,8 +117,7 @@ static int sun9i_a80_usb_clk_probe(struct platform_device *pdev)
return ret;
}
- ret = sunxi_ccu_probe(pdev->dev.of_node, reg,
- &sun9i_a80_usb_clk_desc);
+ ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun9i_a80_usb_clk_desc);
if (ret)
goto err_disable_clk;
diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c
index ef29582676f6..97aaed0e6850 100644
--- a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c
@@ -1231,7 +1231,7 @@ static int sun9i_a80_ccu_probe(struct platform_device *pdev)
sun9i_a80_cpu_pll_fixup(reg + SUN9I_A80_PLL_C0CPUX_REG);
sun9i_a80_cpu_pll_fixup(reg + SUN9I_A80_PLL_C1CPUX_REG);
- return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun9i_a80_ccu_desc);
+ return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun9i_a80_ccu_desc);
}
static const struct of_device_id sun9i_a80_ccu_ids[] = {
diff --git a/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c b/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
index 7ecc3a5a5b5e..61ad7ee91c11 100644
--- a/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
+++ b/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
@@ -538,7 +538,7 @@ static void __init suniv_f1c100s_ccu_setup(struct device_node *node)
val &= ~GENMASK(19, 16);
writel(val | (3 << 16), reg + SUNIV_PLL_AUDIO_REG);
- sunxi_ccu_probe(node, reg, &suniv_ccu_desc);
+ of_sunxi_ccu_probe(node, reg, &suniv_ccu_desc);
/* Gate then ungate PLL CPU after any rate changes */
ccu_pll_notifier_register(&suniv_pll_cpu_nb);
diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c
index 2e20e650b6c0..88cb569e5835 100644
--- a/drivers/clk/sunxi-ng/ccu_common.c
+++ b/drivers/clk/sunxi-ng/ccu_common.c
@@ -7,6 +7,7 @@
#include <linux/clk.h>
#include <linux/clk-provider.h>
+#include <linux/device.h>
#include <linux/iopoll.h>
#include <linux/slab.h>
@@ -14,6 +15,11 @@
#include "ccu_gate.h"
#include "ccu_reset.h"
+struct sunxi_ccu {
+ const struct sunxi_ccu_desc *desc;
+ struct ccu_reset reset;
+};
+
static DEFINE_SPINLOCK(ccu_lock);
void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock)
@@ -79,12 +85,15 @@ int ccu_pll_notifier_register(struct ccu_pll_nb *pll_nb)
&pll_nb->clk_nb);
}
-int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
- const struct sunxi_ccu_desc *desc)
+static int sunxi_ccu_probe(struct sunxi_ccu *ccu, struct device *dev,
+ struct device_node *node, void __iomem *reg,
+ const struct sunxi_ccu_desc *desc)
{
struct ccu_reset *reset;
int i, ret;
+ ccu->desc = desc;
+
for (i = 0; i < desc->num_ccu_clks; i++) {
struct ccu_common *cclk = desc->ccu_clks[i];
@@ -103,7 +112,10 @@ int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
continue;
name = hw->init->name;
- ret = of_clk_hw_register(node, hw);
+ if (dev)
+ ret = clk_hw_register(dev, hw);
+ else
+ ret = of_clk_hw_register(node, hw);
if (ret) {
pr_err("Couldn't register clock %d - %s\n", i, name);
goto err_clk_unreg;
@@ -115,15 +127,10 @@ int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
if (ret)
goto err_clk_unreg;
- reset = kzalloc(sizeof(*reset), GFP_KERNEL);
- if (!reset) {
- ret = -ENOMEM;
- goto err_alloc_reset;
- }
-
+ reset = &ccu->reset;
reset->rcdev.of_node = node;
reset->rcdev.ops = &ccu_reset_ops;
- reset->rcdev.owner = THIS_MODULE;
+ reset->rcdev.owner = dev ? dev->driver->owner : THIS_MODULE;
reset->rcdev.nr_resets = desc->num_resets;
reset->base = reg;
reset->lock = &ccu_lock;
@@ -131,13 +138,11 @@ int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
ret = reset_controller_register(&reset->rcdev);
if (ret)
- goto err_of_clk_unreg;
+ goto err_del_provider;
return 0;
-err_of_clk_unreg:
- kfree(reset);
-err_alloc_reset:
+err_del_provider:
of_clk_del_provider(node);
err_clk_unreg:
while (--i >= 0) {
@@ -149,3 +154,59 @@ err_clk_unreg:
}
return ret;
}
+
+static void devm_sunxi_ccu_release(struct device *dev, void *res)
+{
+ struct sunxi_ccu *ccu = res;
+ const struct sunxi_ccu_desc *desc = ccu->desc;
+ int i;
+
+ reset_controller_unregister(&ccu->reset.rcdev);
+ of_clk_del_provider(dev->of_node);
+
+ for (i = 0; i < desc->hw_clks->num; i++) {
+ struct clk_hw *hw = desc->hw_clks->hws[i];
+
+ if (!hw)
+ continue;
+ clk_hw_unregister(hw);
+ }
+}
+
+int devm_sunxi_ccu_probe(struct device *dev, void __iomem *reg,
+ const struct sunxi_ccu_desc *desc)
+{
+ struct sunxi_ccu *ccu;
+ int ret;
+
+ ccu = devres_alloc(devm_sunxi_ccu_release, sizeof(*ccu), GFP_KERNEL);
+ if (!ccu)
+ return -ENOMEM;
+
+ ret = sunxi_ccu_probe(ccu, dev, dev->of_node, reg, desc);
+ if (ret) {
+ devres_free(ccu);
+ return ret;
+ }
+
+ devres_add(dev, ccu);
+
+ return 0;
+}
+
+void of_sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
+ const struct sunxi_ccu_desc *desc)
+{
+ struct sunxi_ccu *ccu;
+ int ret;
+
+ ccu = kzalloc(sizeof(*ccu), GFP_KERNEL);
+ if (!ccu)
+ return;
+
+ ret = sunxi_ccu_probe(ccu, NULL, node, reg, desc);
+ if (ret) {
+ pr_err("%pOF: probing clocks failed: %d\n", node, ret);
+ kfree(ccu);
+ }
+}
diff --git a/drivers/clk/sunxi-ng/ccu_common.h b/drivers/clk/sunxi-ng/ccu_common.h
index 04e7a12200a2..98a1834b58bb 100644
--- a/drivers/clk/sunxi-ng/ccu_common.h
+++ b/drivers/clk/sunxi-ng/ccu_common.h
@@ -63,7 +63,9 @@ struct ccu_pll_nb {
int ccu_pll_notifier_register(struct ccu_pll_nb *pll_nb);
-int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
- const struct sunxi_ccu_desc *desc);
+int devm_sunxi_ccu_probe(struct device *dev, void __iomem *reg,
+ const struct sunxi_ccu_desc *desc);
+void of_sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
+ const struct sunxi_ccu_desc *desc);
#endif /* _COMMON_H_ */