Hi Seungwon,
On Mon, Oct 24 2011, Seungwon Jeon wrote:
> Code cleanup. The codes of related to eMMC4.5 are scattered.
> This patch removes a duplicate if-statement and assembles all.
>
> Signed-off-by: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>
> ---
> drivers/mmc/core/mmc.c | 20 +++++++++-----------
> 1 files changed, 9 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index fb5bf01..3627044 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -467,29 +467,27 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
> card->ext_csd.rst_n_function = ext_csd[EXT_CSD_RST_N_FUNCTION];
> }
>
> - /* eMMC v4.5 or later */
> - if (card->ext_csd.rev >= 6)
> - card->ext_csd.feature_support |= MMC_DISCARD_FEATURE;
> -
> card->ext_csd.raw_erased_mem_count = ext_csd[EXT_CSD_ERASED_MEM_CONT];
> if (ext_csd[EXT_CSD_ERASED_MEM_CONT])
> card->erased_byte = 0xFF;
> else
> card->erased_byte = 0x0;
>
> + /* eMMC v4.5 or later */
> if (card->ext_csd.rev >= 6) {
> + card->ext_csd.feature_support |= MMC_DISCARD_FEATURE;
> +
> card->ext_csd.generic_cmd6_time = 10 *
> ext_csd[EXT_CSD_GENERIC_CMD6_TIME];
> card->ext_csd.power_off_longtime = 10 *
> ext_csd[EXT_CSD_POWER_OFF_LONG_TIME];
> - } else
> - card->ext_csd.generic_cmd6_time = 0;
Your patch removes this line completely. Why is that? You should
explain it in the commit message.
>
> - card->ext_csd.cache_size =
> - ext_csd[EXT_CSD_CACHE_SIZE + 0] << 0 |
> - ext_csd[EXT_CSD_CACHE_SIZE + 1] << 8 |
> - ext_csd[EXT_CSD_CACHE_SIZE + 2] << 16 |
> - ext_csd[EXT_CSD_CACHE_SIZE + 3] << 24;
> + card->ext_csd.cache_size =
> + ext_csd[EXT_CSD_CACHE_SIZE + 0] << 0 |
> + ext_csd[EXT_CSD_CACHE_SIZE + 1] << 8 |
> + ext_csd[EXT_CSD_CACHE_SIZE + 2] << 16 |
> + ext_csd[EXT_CSD_CACHE_SIZE + 3] << 24;
> + }
>
> out:
> return err;
The rest looks good, thanks,
- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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