diff options
| author | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2023-05-16 16:52:05 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2023-06-13 04:20:04 +0300 |
| commit | f235f6ae59e5060af6d924038348f94a6348ee8d (patch) | |
| tree | 1b285646e19ac33b18fb003f39f29aebadec6efc /drivers/clk/mediatek/clk-mt7986-topckgen.c | |
| parent | 1775790eff4a8fa885db189c75f4ce98e7a6a1dc (diff) | |
| download | linux-f235f6ae59e5060af6d924038348f94a6348ee8d.tar.xz | |
clk: mediatek: Remove CLK_SET_PARENT from all MSDC core clocks
Various MSDC core clocks, used for multiple MSDC controller instances,
share the same parent(s): in order to add parents selection in the
mtk-sd driver to achieve an accurate clock rate for all modes, remove
the CLK_SET_RATE_PARENT flag from all MSDC clocks for all SoCs: this
will make sure that a clk_set_rate() call performed for a clock on
a secondary controller will not change the rate of a common parent,
which would result in an overclock or underclock of one of the
controllers.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/r/20230516135205.372951-3-angelogioacchino.delregno@collabora.com
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt7986-topckgen.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7986-topckgen.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/clk/mediatek/clk-mt7986-topckgen.c b/drivers/clk/mediatek/clk-mt7986-topckgen.c index fbca3feded8f..536655bede26 100644 --- a/drivers/clk/mediatek/clk-mt7986-topckgen.c +++ b/drivers/clk/mediatek/clk-mt7986-topckgen.c @@ -193,12 +193,12 @@ static const struct mtk_mux top_muxes[] = { pextp_tl_ck_parents, 0x010, 0x014, 0x018, 24, 2, 31, 0x1C0, 7), /* CLK_CFG_2 */ - MUX_GATE_CLR_SET_UPD(CLK_TOP_EMMC_250M_SEL, "emmc_250m_sel", - emmc_250m_parents, 0x020, 0x024, 0x028, 0, 1, 7, - 0x1C0, 8), - MUX_GATE_CLR_SET_UPD(CLK_TOP_EMMC_416M_SEL, "emmc_416m_sel", - emmc_416m_parents, 0x020, 0x024, 0x028, 8, 1, 15, - 0x1C0, 9), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_EMMC_250M_SEL, "emmc_250m_sel", + emmc_250m_parents, 0x020, 0x024, 0x028, 0, 1, 7, + 0x1C0, 8, 0), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_EMMC_416M_SEL, "emmc_416m_sel", + emmc_416m_parents, 0x020, 0x024, 0x028, 8, 1, 15, + 0x1C0, 9, 0), MUX_GATE_CLR_SET_UPD(CLK_TOP_F_26M_ADC_SEL, "f_26m_adc_sel", f_26m_adc_parents, 0x020, 0x024, 0x028, 16, 1, 23, 0x1C0, 10), |