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authorSujoy Ray <sujoy.ray@intel.com>2022-05-04 21:01:19 +0300
committerSujoy Ray <sujoy.ray@intel.com>2022-05-12 17:46:40 +0300
commitefe6d9649b1d6b85b50cef64745df2e6749a8a45 (patch)
treee9aca55fa1fa29fea638ee52832fa9691fdd6f02 /drivers/clk
parentab95859fee776e58934d2b0cc1f4e93810e66508 (diff)
parent49caedb668e476c100d727f2174724e0610a2b92 (diff)
downloadlinux-efe6d9649b1d6b85b50cef64745df2e6749a8a45.tar.xz
Merge commit '49caedb668e476c100d727f2174724e0610a2b92' of https://github.com/openbmc/linux into openbmc/dev-5.15-intel-bump_v5.15.36
Signed-off-by: Sujoy Ray <sujoy.ray@intel.com>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/actions/owl-s700.c1
-rw-r--r--drivers/clk/actions/owl-s900.c2
-rw-r--r--drivers/clk/at91/sama7g5.c8
-rw-r--r--drivers/clk/clk-clps711x.c2
-rw-r--r--drivers/clk/clk-si5341.c16
-rw-r--r--drivers/clk/clk.c40
-rw-r--r--drivers/clk/hisilicon/clk-hi3559a.c4
-rw-r--r--drivers/clk/imx/clk-imx7d.c1
-rw-r--r--drivers/clk/imx/clk-imx8qxp-lpcg.c2
-rw-r--r--drivers/clk/ingenic/jz4725b-cgu.c3
-rw-r--r--drivers/clk/loongson1/clk-loongson1c.c1
-rw-r--r--drivers/clk/qcom/clk-rcg2.c14
-rw-r--r--drivers/clk/qcom/dispcc-sc7180.c5
-rw-r--r--drivers/clk/qcom/dispcc-sc7280.c5
-rw-r--r--drivers/clk/qcom/dispcc-sm8250.c5
-rw-r--r--drivers/clk/qcom/gcc-ipq8074.c21
-rw-r--r--drivers/clk/qcom/gcc-msm8994.c1
-rw-r--r--drivers/clk/qcom/gdsc.c26
-rw-r--r--drivers/clk/qcom/gdsc.h8
-rw-r--r--drivers/clk/rockchip/clk-rk3568.c6
-rw-r--r--drivers/clk/rockchip/clk.c3
-rw-r--r--drivers/clk/tegra/clk-tegra124-emc.c1
-rw-r--r--drivers/clk/ti/clk.c13
-rw-r--r--drivers/clk/uniphier/clk-uniphier-fixed-rate.c1
24 files changed, 140 insertions, 49 deletions
diff --git a/drivers/clk/actions/owl-s700.c b/drivers/clk/actions/owl-s700.c
index a2f34d13fb54..6ea7da1d6d75 100644
--- a/drivers/clk/actions/owl-s700.c
+++ b/drivers/clk/actions/owl-s700.c
@@ -162,6 +162,7 @@ static struct clk_div_table hdmia_div_table[] = {
static struct clk_div_table rmii_div_table[] = {
{0, 4}, {1, 10},
+ {0, 0}
};
/* divider clocks */
diff --git a/drivers/clk/actions/owl-s900.c b/drivers/clk/actions/owl-s900.c
index 790890978424..5144ada2c7e1 100644
--- a/drivers/clk/actions/owl-s900.c
+++ b/drivers/clk/actions/owl-s900.c
@@ -140,7 +140,7 @@ static struct clk_div_table rmii_ref_div_table[] = {
static struct clk_div_table usb3_mac_div_table[] = {
{ 1, 2 }, { 2, 3 }, { 3, 4 },
- { 0, 8 },
+ { 0, 0 }
};
static struct clk_div_table i2s_div_table[] = {
diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c
index 019e712f90d6..9eed97a299d0 100644
--- a/drivers/clk/at91/sama7g5.c
+++ b/drivers/clk/at91/sama7g5.c
@@ -687,16 +687,16 @@ static const struct {
{ .n = "pdmc0_gclk",
.id = 68,
.r = { .max = 50000000 },
- .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
- .pp_mux_table = { 5, 8, },
+ .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+ .pp_mux_table = { 5, 9, },
.pp_count = 2,
.pp_chg_id = INT_MIN, },
{ .n = "pdmc1_gclk",
.id = 69,
.r = { .max = 50000000, },
- .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
- .pp_mux_table = { 5, 8, },
+ .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+ .pp_mux_table = { 5, 9, },
.pp_count = 2,
.pp_chg_id = INT_MIN, },
diff --git a/drivers/clk/clk-clps711x.c b/drivers/clk/clk-clps711x.c
index a2c6486ef170..f8417ee2961a 100644
--- a/drivers/clk/clk-clps711x.c
+++ b/drivers/clk/clk-clps711x.c
@@ -28,11 +28,13 @@ static const struct clk_div_table spi_div_table[] = {
{ .val = 1, .div = 8, },
{ .val = 2, .div = 2, },
{ .val = 3, .div = 1, },
+ { /* sentinel */ }
};
static const struct clk_div_table timer_div_table[] = {
{ .val = 0, .div = 256, },
{ .val = 1, .div = 1, },
+ { /* sentinel */ }
};
struct clps711x_clk {
diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c
index f7b41366666e..4de098b6b0d4 100644
--- a/drivers/clk/clk-si5341.c
+++ b/drivers/clk/clk-si5341.c
@@ -798,6 +798,15 @@ static unsigned long si5341_output_clk_recalc_rate(struct clk_hw *hw,
u32 r_divider;
u8 r[3];
+ err = regmap_read(output->data->regmap,
+ SI5341_OUT_CONFIG(output), &val);
+ if (err < 0)
+ return err;
+
+ /* If SI5341_OUT_CFG_RDIV_FORCE2 is set, r_divider is 2 */
+ if (val & SI5341_OUT_CFG_RDIV_FORCE2)
+ return parent_rate / 2;
+
err = regmap_bulk_read(output->data->regmap,
SI5341_OUT_R_REG(output), r, 3);
if (err < 0)
@@ -814,13 +823,6 @@ static unsigned long si5341_output_clk_recalc_rate(struct clk_hw *hw,
r_divider += 1;
r_divider <<= 1;
- err = regmap_read(output->data->regmap,
- SI5341_OUT_CONFIG(output), &val);
- if (err < 0)
- return err;
-
- if (val & SI5341_OUT_CFG_RDIV_FORCE2)
- r_divider = 2;
return parent_rate / r_divider;
}
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index ac11cefc3191..d6dc58bd07b3 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -631,6 +631,24 @@ static void clk_core_get_boundaries(struct clk_core *core,
*max_rate = min(*max_rate, clk_user->max_rate);
}
+static bool clk_core_check_boundaries(struct clk_core *core,
+ unsigned long min_rate,
+ unsigned long max_rate)
+{
+ struct clk *user;
+
+ lockdep_assert_held(&prepare_lock);
+
+ if (min_rate > core->max_rate || max_rate < core->min_rate)
+ return false;
+
+ hlist_for_each_entry(user, &core->clks, clks_node)
+ if (min_rate > user->max_rate || max_rate < user->min_rate)
+ return false;
+
+ return true;
+}
+
void clk_hw_set_rate_range(struct clk_hw *hw, unsigned long min_rate,
unsigned long max_rate)
{
@@ -2347,6 +2365,11 @@ int clk_set_rate_range(struct clk *clk, unsigned long min, unsigned long max)
clk->min_rate = min;
clk->max_rate = max;
+ if (!clk_core_check_boundaries(clk->core, min, max)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
rate = clk_core_get_rate_nolock(clk->core);
if (rate < min || rate > max) {
/*
@@ -2375,6 +2398,7 @@ int clk_set_rate_range(struct clk *clk, unsigned long min, unsigned long max)
}
}
+out:
if (clk->exclusive_count)
clk_core_rate_protect(clk->core);
@@ -3410,6 +3434,19 @@ static void clk_core_reparent_orphans_nolock(void)
__clk_set_parent_after(orphan, parent, NULL);
__clk_recalc_accuracies(orphan);
__clk_recalc_rates(orphan, 0);
+
+ /*
+ * __clk_init_parent() will set the initial req_rate to
+ * 0 if the clock doesn't have clk_ops::recalc_rate and
+ * is an orphan when it's registered.
+ *
+ * 'req_rate' is used by clk_set_rate_range() and
+ * clk_put() to trigger a clk_set_rate() call whenever
+ * the boundaries are modified. Let's make sure
+ * 'req_rate' is set to something non-zero so that
+ * clk_set_rate_range() doesn't drop the frequency.
+ */
+ orphan->req_rate = orphan->rate;
}
}
}
@@ -3730,8 +3767,9 @@ struct clk *clk_hw_create_clk(struct device *dev, struct clk_hw *hw,
struct clk *clk_hw_get_clk(struct clk_hw *hw, const char *con_id)
{
struct device *dev = hw->core->dev;
+ const char *name = dev ? dev_name(dev) : NULL;
- return clk_hw_create_clk(dev, hw, dev_name(dev), con_id);
+ return clk_hw_create_clk(dev, hw, name, con_id);
}
EXPORT_SYMBOL(clk_hw_get_clk);
diff --git a/drivers/clk/hisilicon/clk-hi3559a.c b/drivers/clk/hisilicon/clk-hi3559a.c
index 56012a3d0219..9ea1a80acbe8 100644
--- a/drivers/clk/hisilicon/clk-hi3559a.c
+++ b/drivers/clk/hisilicon/clk-hi3559a.c
@@ -611,8 +611,8 @@ static struct hisi_mux_clock hi3559av100_shub_mux_clks[] = {
/* shub div clk */
-static struct clk_div_table shub_spi_clk_table[] = {{0, 8}, {1, 4}, {2, 2}};
-static struct clk_div_table shub_uart_div_clk_table[] = {{1, 8}, {2, 4}};
+static struct clk_div_table shub_spi_clk_table[] = {{0, 8}, {1, 4}, {2, 2}, {/*sentinel*/}};
+static struct clk_div_table shub_uart_div_clk_table[] = {{1, 8}, {2, 4}, {/*sentinel*/}};
static struct hisi_divider_clock hi3559av100_shub_div_clks[] = {
{ HI3559AV100_SHUB_SPI_SOURCE_CLK, "clk_spi_clk", "shub_clk", 0, 0x20, 24, 2,
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index c4e0f1c07192..3f6fd7ef2a68 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -849,7 +849,6 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
hws[IMX7D_WDOG4_ROOT_CLK] = imx_clk_hw_gate4("wdog4_root_clk", "wdog_post_div", base + 0x49f0, 0);
hws[IMX7D_KPP_ROOT_CLK] = imx_clk_hw_gate4("kpp_root_clk", "ipg_root_clk", base + 0x4aa0, 0);
hws[IMX7D_CSI_MCLK_ROOT_CLK] = imx_clk_hw_gate4("csi_mclk_root_clk", "csi_mclk_post_div", base + 0x4490, 0);
- hws[IMX7D_AUDIO_MCLK_ROOT_CLK] = imx_clk_hw_gate4("audio_mclk_root_clk", "audio_mclk_post_div", base + 0x4790, 0);
hws[IMX7D_WRCLK_ROOT_CLK] = imx_clk_hw_gate4("wrclk_root_clk", "wrclk_post_div", base + 0x47a0, 0);
hws[IMX7D_USB_CTRL_CLK] = imx_clk_hw_gate4("usb_ctrl_clk", "ahb_root_clk", base + 0x4680, 0);
hws[IMX7D_USB_PHY1_CLK] = imx_clk_hw_gate4("usb_phy1_clk", "pll_usb1_main_clk", base + 0x46a0, 0);
diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c
index b23758083ce5..5e31a6a24b3a 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
@@ -248,7 +248,7 @@ static int imx_lpcg_parse_clks_from_dt(struct platform_device *pdev,
for (i = 0; i < count; i++) {
idx = bit_offset[i] / 4;
- if (idx > IMX_LPCG_MAX_CLKS) {
+ if (idx >= IMX_LPCG_MAX_CLKS) {
dev_warn(&pdev->dev, "invalid bit offset of clock %d\n",
i);
ret = -EINVAL;
diff --git a/drivers/clk/ingenic/jz4725b-cgu.c b/drivers/clk/ingenic/jz4725b-cgu.c
index 5154b0cf8ad6..66ff141da0a4 100644
--- a/drivers/clk/ingenic/jz4725b-cgu.c
+++ b/drivers/clk/ingenic/jz4725b-cgu.c
@@ -139,11 +139,10 @@ static const struct ingenic_cgu_clk_info jz4725b_cgu_clocks[] = {
},
[JZ4725B_CLK_I2S] = {
- "i2s", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+ "i2s", CGU_CLK_MUX | CGU_CLK_DIV,
.parents = { JZ4725B_CLK_EXT, JZ4725B_CLK_PLL_HALF, -1, -1 },
.mux = { CGU_REG_CPCCR, 31, 1 },
.div = { CGU_REG_I2SCDR, 0, 1, 9, -1, -1, -1 },
- .gate = { CGU_REG_CLKGR, 6 },
},
[JZ4725B_CLK_SPI] = {
diff --git a/drivers/clk/loongson1/clk-loongson1c.c b/drivers/clk/loongson1/clk-loongson1c.c
index 703f87622cf5..1ebf740380ef 100644
--- a/drivers/clk/loongson1/clk-loongson1c.c
+++ b/drivers/clk/loongson1/clk-loongson1c.c
@@ -37,6 +37,7 @@ static const struct clk_div_table ahb_div_table[] = {
[1] = { .val = 1, .div = 4 },
[2] = { .val = 2, .div = 3 },
[3] = { .val = 3, .div = 3 },
+ [4] = { /* sentinel */ }
};
void __init ls1x_clk_init(void)
diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
index e1b1b426fae4..f675fd969c4d 100644
--- a/drivers/clk/qcom/clk-rcg2.c
+++ b/drivers/clk/qcom/clk-rcg2.c
@@ -264,7 +264,7 @@ static int clk_rcg2_determine_floor_rate(struct clk_hw *hw,
static int __clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f)
{
- u32 cfg, mask;
+ u32 cfg, mask, d_val, not2d_val, n_minus_m;
struct clk_hw *hw = &rcg->clkr.hw;
int ret, index = qcom_find_src_index(hw, rcg->parent_map, f->src);
@@ -283,8 +283,17 @@ static int __clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f)
if (ret)
return ret;
+ /* Calculate 2d value */
+ d_val = f->n;
+
+ n_minus_m = f->n - f->m;
+ n_minus_m *= 2;
+
+ d_val = clamp_t(u32, d_val, f->m, n_minus_m);
+ not2d_val = ~d_val & mask;
+
ret = regmap_update_bits(rcg->clkr.regmap,
- RCG_D_OFFSET(rcg), mask, ~f->n);
+ RCG_D_OFFSET(rcg), mask, not2d_val);
if (ret)
return ret;
}
@@ -720,6 +729,7 @@ static const struct frac_entry frac_table_pixel[] = {
{ 2, 9 },
{ 4, 9 },
{ 1, 1 },
+ { 2, 3 },
{ }
};
diff --git a/drivers/clk/qcom/dispcc-sc7180.c b/drivers/clk/qcom/dispcc-sc7180.c
index 538e4963c915..5d2ae297e741 100644
--- a/drivers/clk/qcom/dispcc-sc7180.c
+++ b/drivers/clk/qcom/dispcc-sc7180.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019, 2022, The Linux Foundation. All rights reserved.
*/
#include <linux/clk-provider.h>
@@ -625,6 +625,9 @@ static struct clk_branch disp_cc_mdss_vsync_clk = {
static struct gdsc mdss_gdsc = {
.gdscr = 0x3000,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.pd = {
.name = "mdss_gdsc",
},
diff --git a/drivers/clk/qcom/dispcc-sc7280.c b/drivers/clk/qcom/dispcc-sc7280.c
index 4ef4ae231794..ad596d567f6a 100644
--- a/drivers/clk/qcom/dispcc-sc7280.c
+++ b/drivers/clk/qcom/dispcc-sc7280.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022, The Linux Foundation. All rights reserved.
*/
#include <linux/clk-provider.h>
@@ -787,6 +787,9 @@ static struct clk_branch disp_cc_sleep_clk = {
static struct gdsc disp_cc_mdss_core_gdsc = {
.gdscr = 0x1004,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.pd = {
.name = "disp_cc_mdss_core_gdsc",
},
diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c
index bf9ffe1a1cf4..73c5feea9818 100644
--- a/drivers/clk/qcom/dispcc-sm8250.c
+++ b/drivers/clk/qcom/dispcc-sm8250.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2020, 2022, The Linux Foundation. All rights reserved.
*/
#include <linux/clk-provider.h>
@@ -1125,6 +1125,9 @@ static struct clk_branch disp_cc_mdss_vsync_clk = {
static struct gdsc mdss_gdsc = {
.gdscr = 0x3000,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.pd = {
.name = "mdss_gdsc",
},
diff --git a/drivers/clk/qcom/gcc-ipq8074.c b/drivers/clk/qcom/gcc-ipq8074.c
index 108fe27bee10..541016db3c4b 100644
--- a/drivers/clk/qcom/gcc-ipq8074.c
+++ b/drivers/clk/qcom/gcc-ipq8074.c
@@ -60,11 +60,6 @@ static const struct parent_map gcc_xo_gpll0_gpll0_out_main_div2_map[] = {
{ P_GPLL0_DIV2, 4 },
};
-static const char * const gcc_xo_gpll0[] = {
- "xo",
- "gpll0",
-};
-
static const struct parent_map gcc_xo_gpll0_map[] = {
{ P_XO, 0 },
{ P_GPLL0, 1 },
@@ -956,6 +951,11 @@ static struct clk_rcg2 blsp1_uart6_apps_clk_src = {
},
};
+static const struct clk_parent_data gcc_xo_gpll0[] = {
+ { .fw_name = "xo" },
+ { .hw = &gpll0.clkr.hw },
+};
+
static const struct freq_tbl ftbl_pcie_axi_clk_src[] = {
F(19200000, P_XO, 1, 0, 0),
F(200000000, P_GPLL0, 4, 0, 0),
@@ -969,7 +969,7 @@ static struct clk_rcg2 pcie0_axi_clk_src = {
.parent_map = gcc_xo_gpll0_map,
.clkr.hw.init = &(struct clk_init_data){
.name = "pcie0_axi_clk_src",
- .parent_names = gcc_xo_gpll0,
+ .parent_data = gcc_xo_gpll0,
.num_parents = 2,
.ops = &clk_rcg2_ops,
},
@@ -1016,7 +1016,7 @@ static struct clk_rcg2 pcie1_axi_clk_src = {
.parent_map = gcc_xo_gpll0_map,
.clkr.hw.init = &(struct clk_init_data){
.name = "pcie1_axi_clk_src",
- .parent_names = gcc_xo_gpll0,
+ .parent_data = gcc_xo_gpll0,
.num_parents = 2,
.ops = &clk_rcg2_ops,
},
@@ -1074,7 +1074,7 @@ static struct clk_rcg2 sdcc1_apps_clk_src = {
.name = "sdcc1_apps_clk_src",
.parent_names = gcc_xo_gpll0_gpll2_gpll0_out_main_div2,
.num_parents = 4,
- .ops = &clk_rcg2_ops,
+ .ops = &clk_rcg2_floor_ops,
},
};
@@ -1330,7 +1330,7 @@ static struct clk_rcg2 nss_ce_clk_src = {
.parent_map = gcc_xo_gpll0_map,
.clkr.hw.init = &(struct clk_init_data){
.name = "nss_ce_clk_src",
- .parent_names = gcc_xo_gpll0,
+ .parent_data = gcc_xo_gpll0,
.num_parents = 2,
.ops = &clk_rcg2_ops,
},
@@ -4329,8 +4329,7 @@ static struct clk_rcg2 pcie0_rchng_clk_src = {
.parent_map = gcc_xo_gpll0_map,
.clkr.hw.init = &(struct clk_init_data){
.name = "pcie0_rchng_clk_src",
- .parent_hws = (const struct clk_hw *[]) {
- &gpll0.clkr.hw },
+ .parent_data = gcc_xo_gpll0,
.num_parents = 2,
.ops = &clk_rcg2_ops,
},
diff --git a/drivers/clk/qcom/gcc-msm8994.c b/drivers/clk/qcom/gcc-msm8994.c
index 144d2ba7a9be..463a444c8a7e 100644
--- a/drivers/clk/qcom/gcc-msm8994.c
+++ b/drivers/clk/qcom/gcc-msm8994.c
@@ -108,6 +108,7 @@ static struct clk_alpha_pll gpll4_early = {
static struct clk_alpha_pll_postdiv gpll4 = {
.offset = 0x1dc0,
+ .width = 4,
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
.clkr.hw.init = &(struct clk_init_data)
{
diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c
index 4ece326ea233..cf23cfd7e467 100644
--- a/drivers/clk/qcom/gdsc.c
+++ b/drivers/clk/qcom/gdsc.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (c) 2015, 2017-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015, 2017-2018, 2022, The Linux Foundation. All rights reserved.
*/
#include <linux/bitops.h>
@@ -34,9 +34,14 @@
#define CFG_GDSCR_OFFSET 0x4
/* Wait 2^n CXO cycles between all states. Here, n=2 (4 cycles). */
-#define EN_REST_WAIT_VAL (0x2 << 20)
-#define EN_FEW_WAIT_VAL (0x8 << 16)
-#define CLK_DIS_WAIT_VAL (0x2 << 12)
+#define EN_REST_WAIT_VAL 0x2
+#define EN_FEW_WAIT_VAL 0x8
+#define CLK_DIS_WAIT_VAL 0x2
+
+/* Transition delay shifts */
+#define EN_REST_WAIT_SHIFT 20
+#define EN_FEW_WAIT_SHIFT 16
+#define CLK_DIS_WAIT_SHIFT 12
#define RETAIN_MEM BIT(14)
#define RETAIN_PERIPH BIT(13)
@@ -341,7 +346,18 @@ static int gdsc_init(struct gdsc *sc)
*/
mask = HW_CONTROL_MASK | SW_OVERRIDE_MASK |
EN_REST_WAIT_MASK | EN_FEW_WAIT_MASK | CLK_DIS_WAIT_MASK;
- val = EN_REST_WAIT_VAL | EN_FEW_WAIT_VAL | CLK_DIS_WAIT_VAL;
+
+ if (!sc->en_rest_wait_val)
+ sc->en_rest_wait_val = EN_REST_WAIT_VAL;
+ if (!sc->en_few_wait_val)
+ sc->en_few_wait_val = EN_FEW_WAIT_VAL;
+ if (!sc->clk_dis_wait_val)
+ sc->clk_dis_wait_val = CLK_DIS_WAIT_VAL;
+
+ val = sc->en_rest_wait_val << EN_REST_WAIT_SHIFT |
+ sc->en_few_wait_val << EN_FEW_WAIT_SHIFT |
+ sc->clk_dis_wait_val << CLK_DIS_WAIT_SHIFT;
+
ret = regmap_update_bits(sc->regmap, sc->gdscr, mask, val);
if (ret)
return ret;
diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h
index 5bb396b344d1..762f1b5e1ec5 100644
--- a/drivers/clk/qcom/gdsc.h
+++ b/drivers/clk/qcom/gdsc.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright (c) 2015, 2017-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015, 2017-2018, 2022, The Linux Foundation. All rights reserved.
*/
#ifndef __QCOM_GDSC_H__
@@ -22,6 +22,9 @@ struct reset_controller_dev;
* @cxcs: offsets of branch registers to toggle mem/periph bits in
* @cxc_count: number of @cxcs
* @pwrsts: Possible powerdomain power states
+ * @en_rest_wait_val: transition delay value for receiving enr ack signal
+ * @en_few_wait_val: transition delay value for receiving enf ack signal
+ * @clk_dis_wait_val: transition delay value for halting clock
* @resets: ids of resets associated with this gdsc
* @reset_count: number of @resets
* @rcdev: reset controller
@@ -35,6 +38,9 @@ struct gdsc {
unsigned int clamp_io_ctrl;
unsigned int *cxcs;
unsigned int cxc_count;
+ unsigned int en_rest_wait_val;
+ unsigned int en_few_wait_val;
+ unsigned int clk_dis_wait_val;
const u8 pwrsts;
/* Powerdomain allowable state bitfields */
#define PWRSTS_OFF BIT(0)
diff --git a/drivers/clk/rockchip/clk-rk3568.c b/drivers/clk/rockchip/clk-rk3568.c
index 75ca855e720d..6e5440841d1e 100644
--- a/drivers/clk/rockchip/clk-rk3568.c
+++ b/drivers/clk/rockchip/clk-rk3568.c
@@ -1038,13 +1038,13 @@ static struct rockchip_clk_branch rk3568_clk_branches[] __initdata = {
RK3568_CLKGATE_CON(20), 8, GFLAGS),
GATE(HCLK_VOP, "hclk_vop", "hclk_vo", 0,
RK3568_CLKGATE_CON(20), 9, GFLAGS),
- COMPOSITE(DCLK_VOP0, "dclk_vop0", hpll_vpll_gpll_cpll_p, CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ COMPOSITE(DCLK_VOP0, "dclk_vop0", hpll_vpll_gpll_cpll_p, CLK_SET_RATE_NO_REPARENT,
RK3568_CLKSEL_CON(39), 10, 2, MFLAGS, 0, 8, DFLAGS,
RK3568_CLKGATE_CON(20), 10, GFLAGS),
- COMPOSITE(DCLK_VOP1, "dclk_vop1", hpll_vpll_gpll_cpll_p, CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ COMPOSITE(DCLK_VOP1, "dclk_vop1", hpll_vpll_gpll_cpll_p, CLK_SET_RATE_NO_REPARENT,
RK3568_CLKSEL_CON(40), 10, 2, MFLAGS, 0, 8, DFLAGS,
RK3568_CLKGATE_CON(20), 11, GFLAGS),
- COMPOSITE(DCLK_VOP2, "dclk_vop2", hpll_vpll_gpll_cpll_p, 0,
+ COMPOSITE(DCLK_VOP2, "dclk_vop2", hpll_vpll_gpll_cpll_p, CLK_SET_RATE_NO_REPARENT,
RK3568_CLKSEL_CON(41), 10, 2, MFLAGS, 0, 8, DFLAGS,
RK3568_CLKGATE_CON(20), 12, GFLAGS),
GATE(CLK_VOP_PWM, "clk_vop_pwm", "xin24m", 0,
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index b7be7e11b0df..bb8a844309bf 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -180,6 +180,7 @@ static void rockchip_fractional_approximation(struct clk_hw *hw,
unsigned long rate, unsigned long *parent_rate,
unsigned long *m, unsigned long *n)
{
+ struct clk_fractional_divider *fd = to_clk_fd(hw);
unsigned long p_rate, p_parent_rate;
struct clk_hw *p_parent;
@@ -190,6 +191,8 @@ static void rockchip_fractional_approximation(struct clk_hw *hw,
*parent_rate = p_parent_rate;
}
+ fd->flags |= CLK_FRAC_DIVIDER_POWER_OF_TWO_PS;
+
clk_fractional_divider_general_approximation(hw, rate, parent_rate, m, n);
}
diff --git a/drivers/clk/tegra/clk-tegra124-emc.c b/drivers/clk/tegra/clk-tegra124-emc.c
index 74c1d894cca8..219c80653dbd 100644
--- a/drivers/clk/tegra/clk-tegra124-emc.c
+++ b/drivers/clk/tegra/clk-tegra124-emc.c
@@ -198,6 +198,7 @@ static struct tegra_emc *emc_ensure_emc_driver(struct tegra_clk_emc *tegra)
tegra->emc = platform_get_drvdata(pdev);
if (!tegra->emc) {
+ put_device(&pdev->dev);
pr_err("%s: cannot find EMC driver\n", __func__);
return NULL;
}
diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c
index 3da33c786d77..29eafab4353e 100644
--- a/drivers/clk/ti/clk.c
+++ b/drivers/clk/ti/clk.c
@@ -131,7 +131,7 @@ int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops)
void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
{
struct ti_dt_clk *c;
- struct device_node *node, *parent;
+ struct device_node *node, *parent, *child;
struct clk *clk;
struct of_phandle_args clkspec;
char buf[64];
@@ -171,10 +171,13 @@ void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
node = of_find_node_by_name(NULL, buf);
if (num_args && compat_mode) {
parent = node;
- node = of_get_child_by_name(parent, "clock");
- if (!node)
- node = of_get_child_by_name(parent, "clk");
- of_node_put(parent);
+ child = of_get_child_by_name(parent, "clock");
+ if (!child)
+ child = of_get_child_by_name(parent, "clk");
+ if (child) {
+ of_node_put(parent);
+ node = child;
+ }
}
clkspec.np = node;
diff --git a/drivers/clk/uniphier/clk-uniphier-fixed-rate.c b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
index 5319cd380480..3bc55ab75314 100644
--- a/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
+++ b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
@@ -24,6 +24,7 @@ struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
init.name = name;
init.ops = &clk_fixed_rate_ops;
+ init.flags = 0;
init.parent_names = NULL;
init.num_parents = 0;