Merge pull request #1240 from JanLuca/rpi-4.3.y

MMC: Do not use mmc_debug if CONFIG_MMC_BCM2835 is not set

Author: popcornmix

drivers/mmc/core/quirks.c

@@ -71,7 +71,9 @@ static const struct mmc_fixup mmc_fixup_methods[] = {
 
 void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table)
 {
+#ifdef CONFIG_MMC_BCM2835
 	extern unsigned mmc_debug;
+#endif
 	const struct mmc_fixup *f;
 	u64 rev = cid_rev_card(card);
 
@@ -99,7 +101,9 @@ void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table)
 	/* SDHCI on BCM2708 - bug causes a certain sequence of CMD23 operations to fail.
 	 * Disable this flag for all cards (fall-back to CMD25/CMD18 multi-block transfers).
 	 */
+#ifdef CONFIG_MMC_BCM2835
 	if (mmc_debug & (1<<13))
 	card->quirks |= MMC_QUIRK_BLK_NO_CMD23;
+#endif
 }
 EXPORT_SYMBOL(mmc_fixup_device);