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| author | Gabriel Fernandez <gabriel.fernandez@st.com> | 2017-03-16 09:16:40 +0100 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2017-04-03 17:57:54 -0700 |
| commit | daffad2123fc3efcc2c70bd6e905960a31886556 (patch) | |
| tree | 68ba0638bbf1ee1f4c30460044db8e6f51d22103 /drivers/clk | |
| parent | 7f0b97d5bb4c1c99c38dd6770ad11f714ea42583 (diff) | |
| download | linux-0-day-daffad2123fc3efcc2c70bd6e905960a31886556.tar.gz linux-0-day-daffad2123fc3efcc2c70bd6e905960a31886556.tar.xz | |
clk: stm32f4: fix: exclude values 0 and 1 for PLLQ
0000: PLLQ = 0, wrong configuration
0001: PLLQ = 1, wrong configuration
...
0010: PLLQ = 2
0011: PLLQ = 3
0100: PLLQ = 4
...
1111: PLLQ = 1
Use divider table to exclude 0 and 1 values.
Fixes: 83135ad3c517 ("clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards")
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk-stm32f4.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index ab609a76706f7..cf9449b3dbd97 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -429,6 +429,13 @@ static const struct clk_div_table pll_divp_table[] = { { 0, 2 }, { 1, 4 }, { 2, 6 }, { 3, 8 }, { 0 } }; +static const struct clk_div_table pll_divq_table[] = { + { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, { 7, 7 }, + { 8, 8 }, { 9, 9 }, { 10, 10 }, { 11, 11 }, { 12, 12 }, { 13, 13 }, + { 14, 14 }, { 15, 15 }, + { 0 } +}; + static const struct clk_div_table pll_divr_table[] = { { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, { 7, 7 }, { 0 } }; @@ -496,9 +503,9 @@ struct stm32f4_div_data { #define MAX_PLL_DIV 3 static const struct stm32f4_div_data div_data[MAX_PLL_DIV] = { - { 16, 2, 0, pll_divp_table }, - { 24, 4, CLK_DIVIDER_ONE_BASED, NULL }, - { 28, 3, 0, pll_divr_table }, + { 16, 2, 0, pll_divp_table }, + { 24, 4, 0, pll_divq_table }, + { 28, 3, 0, pll_divr_table }, }; struct stm32f4_pll_data { |