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mmc: core: Clarify code for sending CSD 

To make the code more consistent and to increase readability, add an
mmc_spi_send_csd() function, which gets called from mmc_send_csd() in case
of SPI mode.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Ulf Hansson 2017-06-08 15:27:45 +02:00
parent c92e68d8a6
commit 0796e439c5
1 changed files with 10 additions and 5 deletions
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15
drivers/mmc/core/mmc_ops.c
View File

@ -291,15 +291,11 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
return 0;
}
int mmc_send_csd(struct mmc_card *card, u32 *csd)
static int mmc_spi_send_csd(struct mmc_card *card, u32 *csd)
{
int ret, i;
__be32 *csd_tmp;
if (!mmc_host_is_spi(card->host))
return mmc_send_cxd_native(card->host, card->rca << 16,
csd, MMC_SEND_CSD);
csd_tmp = kzalloc(16, GFP_KERNEL);
if (!csd_tmp)
return -ENOMEM;
@ -316,6 +312,15 @@ err:
return ret;
}
int mmc_send_csd(struct mmc_card *card, u32 *csd)
{
if (mmc_host_is_spi(card->host))
return mmc_spi_send_csd(card, csd);
return mmc_send_cxd_native(card->host, card->rca << 16, csd,
MMC_SEND_CSD);
}
static int mmc_spi_send_cid(struct mmc_host *host, u32 *cid)
{
int ret, i;