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>

diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 46c80f82993609a14057701225591d8ff127b6b9..5f7c5920231a8b8684541f50d0070c2e6e433f1f 100644 (file)
--- 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;