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Commit 0796e439 authored by Ulf Hansson's avatar Ulf Hansson
Browse files

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: default avatarUlf Hansson <ulf.hansson@linaro.org>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
parent c92e68d8

drivers/mmc/core/mmc_ops.c

+10 −5
Original line number Diff line number Diff line
@@ -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 @@ int mmc_send_csd(struct mmc_card *card, u32 *csd) 
	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;