mmc: core: Remove the redundant mmc_send_ext_csd() API

Previous patches has replaced the calls to mmc_send_ext_csd() into
mmc_get_ext_csd(), thus mmc_send_ext_csd() has become redundant. Let's
remove it.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/core/mmc_ops.c

@@ -378,13 +378,6 @@ int mmc_send_cid(struct mmc_host *host, u32 *cid)
 	return ret;
 }
 
-int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd)
-{
-	return mmc_send_cxd_data(card, card->host, MMC_SEND_EXT_CSD,
-			ext_csd, 512);
-}
-EXPORT_SYMBOL_GPL(mmc_send_ext_csd);
-
 int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd)
 {
 	int err;
@@ -404,7 +397,8 @@ int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd)
 	if (!ext_csd)
 		return -ENOMEM;
 
-	err = mmc_send_ext_csd(card, ext_csd);
+	err = mmc_send_cxd_data(card, card->host, MMC_SEND_EXT_CSD, ext_csd,
+				512);
 	if (err)
 		kfree(ext_csd);
 	else

include/linux/mmc/core.h

@@ -154,7 +154,6 @@ extern void mmc_start_bkops(struct mmc_card *card, bool from_exception);
 extern int __mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int, bool,
 			bool, bool);
 extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
-extern int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd);
 extern int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
 
 #define MMC_ERASE_ARG		0x00000000