[U-Boot] [PATCH] Exynos: Clock: Fix exynos5_get_periph_rate for I2C.

Joonyoung Shim jy0922.shim at samsung.com
Wed Mar 11 06:44:00 CET 2015


Hi,

On 03/10/2015 05:52 PM, Guillaume Gardet wrote:
> 
> 
> Le 28/02/2015 08:59, Minkyu Kang a écrit :
>> Joonyoung,
>>
>> On 26/02/15 00:22, Guillaume GARDET wrote:
>>> Commit 2e82e9252695a612ab0cbf40fa0c7368515f6506 'Exynos: Clock: Cleanup
>>> soc_get_periph_rate' introduced a bug in I2C config. This patch makes cros_ec
>>> keyboard working again on Samsung Chromebook (snow).
>>>
>>> Signed-off-by: Guillaume GARDET <guillaume.gardet at free.fr>
>>> Cc: Akshay Saraswat <akshay.s at samsung.com>
>>> Cc: Minkyu Kang <mk7.kang at samsung.com>
>>> Cc: Joonyoung Shim <jy0922.shim at samsung.com>
>>>
>>> ---
>>>   arch/arm/cpu/armv7/exynos/clock.c | 4 ++--
>>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
>>> index c6455c2..7f47d4d 100644
>>> --- a/arch/arm/cpu/armv7/exynos/clock.c
>>> +++ b/arch/arm/cpu/armv7/exynos/clock.c
>>> @@ -423,8 +423,8 @@ static unsigned long exynos5_get_periph_rate(int peripheral)
>>>       case PERIPH_ID_I2C6:
>>>       case PERIPH_ID_I2C7:
>>>           src = EXYNOS_SRC_MPLL;
>>> -        div = readl(&clk->div_top0);
>>> -        sub_div = readl(&clk->div_top1);
>>> +        sub_div = readl(&clk->div_top0);
>>> +        div = readl(&clk->div_top1);

Could you keep order of assign statements of div and sub_div variables?

div = readl(&clk->div_top1);
sub_div = readl(&clk->div_top0);

Thanks.


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