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| author |   Ulf Hansson <ulf.hansson@linaro.org> | 2017-06-08 15:27:45 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-06-20 10:30:47 +0200 |
| commit | 0796e439c5cc4ceeb84e08479c5ee1a4ebab5549 (patch) | |
| tree | 896eac7efed2605dfe47a10aaf00c43d9f454344 /drivers/mmc | |
| parent | mmc: core: Drop mmc_all_send_cid() and use mmc_send_cxd_native() instead (diff) | |
| download | linux-dev-0796e439c5cc4ceeb84e08479c5ee1a4ebab5549.tar.xz linux-dev-0796e439c5cc4ceeb84e08479c5ee1a4ebab5549.zip | |
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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/mmc_ops.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 46c80f829936..5f7c5920231a 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -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; |