mmc: core: improve API to make clear that mmc_sw_reset is for cards

To make it unambiguous that mmc_sw_reset() is for cards and not for
controllers, we make the function argument mmc_card instead of mmc_host.
There are no users to convert currently.

Suggested-by: Ulf Hansson <[e-mail]>
Signed-off-by: Wolfram Sang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/mmc/core/core.c

···
 }
 EXPORT_SYMBOL(mmc_hw_reset);
 
-int mmc_sw_reset(struct mmc_host *host)
+int mmc_sw_reset(struct mmc_card *card)
 {
+	struct mmc_host *host = card->host;
 	int ret;
 
 	if (!host->bus_ops->sw_reset)

include/linux/mmc/core.h

···
 		int retries);
 
 int mmc_hw_reset(struct mmc_card *card);
-int mmc_sw_reset(struct mmc_host *host);
+int mmc_sw_reset(struct mmc_card *card);
 void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card);
 
 #endif /* LINUX_MMC_CORE_H */