Re: [PATCH] clk: at91: sam9x60: fix programmable clock
From: Nicolas.Ferre
Date: Tue Sep 24 2019 - 07:53:40 EST
On 24/09/2019 at 12:39, Eugen Hristev - M18282 wrote:
> From: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
>
> The prescaler mask for sam9x60 must be 0xff (8 bits).
> Being set to 0, means that we cannot set any prescaler, thus the
> programmable clocks do not work (except the case with prescaler 0)
> Set the mask accordingly in layout struct.
>
> Fixes: 01e2113de9a5 ("clk: at91: add sam9x60 pmc driver")
> Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
Thanks Eugen. Best regards,
Nicolas
> ---
> drivers/clk/at91/sam9x60.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
> index 9790ddf..86238d5 100644
> --- a/drivers/clk/at91/sam9x60.c
> +++ b/drivers/clk/at91/sam9x60.c
> @@ -43,6 +43,7 @@ static const struct clk_pll_characteristics upll_characteristics = {
> };
>
> static const struct clk_programmable_layout sam9x60_programmable_layout = {
> + .pres_mask = 0xff,
> .pres_shift = 8,
> .css_mask = 0x1f,
> .have_slck_mck = 0,
>
--
Nicolas Ferre