[U-Boot] [PATCH 2/5] mmc: initialize mmc_cmd with 0

Peng Fan van.freenix at gmail.com
Thu Aug 18 08:21:22 CEST 2016


Hi Simon,

On Wed, Aug 17, 2016 at 09:45:35PM -0600, Simon Glass wrote:
>Hi Peng,
>
>On 12 August 2016 at 19:41, Peng Fan <van.freenix at gmail.com> wrote:
>> Hi Simon,
>> On Fri, Aug 12, 2016 at 11:20:25AM -0600, Simon Glass wrote:
>>>Hi Peng,
>>>
>>>On 11 August 2016 at 05:00, Peng Fan <van.freenix at gmail.com> wrote:
>>>> Using {0} to initialize mmc_cmd, before filling the structure.
>>>>
>>>> Signed-off-by: Peng Fan <peng.fan at nxp.com>
>>>> Cc: Jaehoon Chung <jh80.chung at samsung.com>
>>>> Cc: Simon Glass <sjg at chromium.org>
>>>> Cc: Bin Meng <bmeng.cn at gmail.com>
>>>> Cc: Stefan Wahren <stefan.wahren at i2se.com>
>>>> Cc: Clemens Gruber <clemens.gruber at pqgruber.com>
>>>> Cc: Kever Yang <kever.yang at rock-chips.com>
>>>> Cc: Eric Nelson <eric at nelint.com>
>>>> Cc: Stephen Warren <swarren at nvidia.com>
>>>> ---
>>>>  drivers/mmc/mmc.c       | 28 ++++++++++++++--------------
>>>>  drivers/mmc/mmc_write.c |  4 ++--
>>>>  2 files changed, 16 insertions(+), 16 deletions(-)
>>>
>>>Why is this needed? Does it affect code size?
>>
>> I add a timeout entry in mmc_cmd, but I do not want to specify a value for timeout
>> for each mmc_cmd. So I use {0}.
>>
>> Then to those who want use timeout, a value can be assigned to timeout, just like
>> I added in the patchset for mmc erase.
>
>Instead of that, can you assign the value to 0, or whatever you want?
>You might want to have a helper like mmc_init_cmd() to zero things
>out.

Ok. Will follow your suggestion in V3.

Thanks,
Peng.

>
>Regards,
>Simon


More information about the U-Boot mailing list