[U-Boot] [PATCH] video: ipu: Fix build with hard-float ARM toolchain

[Guillaume Gardet <guillaume.gardet@free.fr>]

Le 19/05/2016 03:09, Peng Fan a ?crit :
> Hi Guillaume,
>
> On Wed, May 18, 2016 at 02:19:43PM +0200, Guillaume GARDET wrote:
>> Build with hard-float ARM toolchain was broken by commit 3cb4f25c:
>> 'video: ipu: avoid overflow issue'.
>> To fix it, we use do_div function.
>>
>> Build tested for mx6qsabrelite_defconfig.
>>
>> Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
>> Cc: Peng Fan <van.freenix@gmail.com>
>> Cc: Sandor Yu <sandor.yu@nxp.com>
>> Cc: Anatolij Gustschin <agust@denx.de>
>> Cc: Stefano Babic <sbabic@denx.de>
>> Cc: Fabio Estevam <fabio.estevam@nxp.com>
>> Cc: Tom Rini <trini@konsulko.com>
>>
>> ---
>> drivers/video/ipu_common.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
>> index 36d4b23..e319c82 100644
>> --- a/drivers/video/ipu_common.c
>> +++ b/drivers/video/ipu_common.c
>> @@ -352,7 +352,8 @@ static int ipu_pixel_clk_set_rate(struct clk *clk, unsigned long rate)
>> 	 */
>> 	__raw_writel((div / 16) << 16, DI_BS_CLKGEN1(clk->id));
>>
>> -	clk->rate = (u64)(clk->parent->rate * 16) / div;
>> +	do_div(parent_rate, div);
>> +	clk->rate = parent_rate;
> This issue was already fixed,.
> http://git.denx.de/?p=u-boot/u-boot-imx.git;a=commitdiff;h=c510f2e436008e55a50b063f2180cb1e63984224

Ok. Sorry, I did not checked u-boot-imx git repo.
Do you know why it was not included in the v2016.05 release?


Guillaume

>
> Thanks,
> Peng.
>
>> 	return 0;
>> }
>> -- 
>> 1.8.4.5
>>