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

[Peng Fan <van.freenix@gmail.com>]

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@gmail.com> wrote:
>> Using {0} to initialize mmc_cmd, before filling the structure.
>>
>> Signed-off-by: Peng Fan <peng.fan@nxp.com>
>> Cc: Jaehoon Chung <jh80.chung@samsung.com>
>> Cc: Simon Glass <sjg@chromium.org>
>> Cc: Bin Meng <bmeng.cn@gmail.com>
>> Cc: Stefan Wahren <stefan.wahren@i2se.com>
>> Cc: Clemens Gruber <clemens.gruber@pqgruber.com>
>> Cc: Kever Yang <kever.yang@rock-chips.com>
>> Cc: Eric Nelson <eric@nelint.com>
>> Cc: Stephen Warren <swarren@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.

Thanks,
Peng.

>
>Regards,
>Simon