[U-Boot] [PATCH] blackfin: Fix using gd->baudrate before setting its value
Sonic Zhang
sonic.adi at gmail.com
Mon Jul 1 06:49:00 CEST 2013
Hi Axel,
On Mon, Jul 1, 2013 at 12:11 PM, Axel Lin <axel.lin at ingics.com> wrote:
> 2013/7/1 Sonic Zhang <sonic.adi at gmail.com>:
>> Hi Axel,
>>
>> On Sat, Jun 29, 2013 at 8:34 AM, Axel Lin <axel.lin at ingics.com> wrote:
>>> Current code uses gd->baudrate before setting its value.
>>> Besides, I got below build warning which is introduced by
>>> commit ddb5c5be "blackfin: add baudrate to bdinfo".
>>>
>>> board.c:235:3: warning: passing argument 1 of 'simple_strtoul' makes pointer from integer without a cast [enabled by default]
>>> include/vsprintf.h:27:7: note: expected 'const char *' but argument is of type 'unsigned int'
>>>
>>> This patch moves the code using gd->baudrate to be after init_baudrate() call,
>>> this ensures we get the baudrate setting before using it.
>>>
>>> Signed-off-by: Axel Lin <axel.lin at ingics.com>
>>> ---
>>> I forgot to CC u-boot mail list. here is a resend.
>>>
>>> Hi,
>>> I don't have this hardware to test.
>>> I'd appreciate if someone can test it.
>>>
>>> Thanks,
>>> Axel
>>> arch/blackfin/lib/board.c | 3 +--
>>> 1 file changed, 1 insertion(+), 2 deletions(-)
>>>
>>> diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
>>> index f1d5547..9e2e9de 100644
>>> --- a/arch/blackfin/lib/board.c
>>> +++ b/arch/blackfin/lib/board.c
>>> @@ -231,8 +231,6 @@ static int global_board_data_init(void)
>>> bd->bi_sclk = get_sclk();
>>> bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
>>> bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
>>> - bd->bi_baudrate = (gd->baudrate > 0)
>>> - ? simple_strtoul(gd->baudrate, NULL, 10) : CONFIG_BAUDRATE;
>>>
>>> return 0;
>>> }
>>> @@ -299,6 +297,7 @@ void board_init_f(ulong bootflag)
>>> env_init();
>>> serial_early_puts("Baudrate init\n");
>>> init_baudrate();
>>> + gd->bd->bi_baudrate = gd->baudrate;
>>
>> I prefer to move this line into init_baudrate().
> hi Sonic,
>
> $ grep -r "int init_baudrate" -A 4 arch
> It shows we have the same implementation for all supported architectures.
>
> So I think init_baudrate() may be moved to a common place in the future.
> I pernsonal prefer keep the code as is in this patch.
> But if you insist on moving this line into init_baudrate(), I have no problem
> to send a v2. Just let me know how do you think.
Yes, please.
Regards,
Sonic
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