[PATCH 1/2] clk: stm32f: fix setting of division factor for LCD_CLK

Patrice CHOTARD patrice.chotard at foss.st.com
Mon Nov 13 09:59:40 CET 2023



On 11/11/23 11:46, Dario Binacchi wrote:
> The value to be written to the register must be appropriately shifted,
> as is correctly done in other parts of the code.
> 
> Fixes: 5e993508cb25 ("clk: clk_stm32f: Add set_rate for LTDC clock")
> Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
> ---
> 
>  drivers/clk/stm32/clk-stm32f.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/stm32/clk-stm32f.c b/drivers/clk/stm32/clk-stm32f.c
> index ed7660196ef0..4c1864193357 100644
> --- a/drivers/clk/stm32/clk-stm32f.c
> +++ b/drivers/clk/stm32/clk-stm32f.c
> @@ -530,7 +530,8 @@ static ulong stm32_set_rate(struct clk *clk, ulong rate)
>  			/* set pll_saidivr with found value */
>  			clrsetbits_le32(&regs->dckcfgr,
>  					RCC_DCKCFGR_PLLSAIDIVR_MASK,
> -					pllsaidivr_table[i]);
> +					pllsaidivr_table[i] <<
> +					RCC_DCKCFGR_PLLSAIDIVR_SHIFT);
>  			return rate;
>  		}
>  

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks 
Patrice


More information about the U-Boot mailing list