--- zzzz-none-000/linux-2.6.39.4/include/linux/mmc/core.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/include/linux/mmc/core.h	2021-11-10 13:38:17.000000000 +0000
@@ -161,6 +161,13 @@
 extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
 extern void mmc_release_host(struct mmc_host *host);
 extern void mmc_do_release_host(struct mmc_host *host);
+
+#if defined(CONFIG_ARCH_GEN3)
+extern int __mmc_claim_host_no_hwmutex(struct mmc_host *host, atomic_t *abort);
+extern void mmc_release_host_no_hwmutex(struct mmc_host *host);
+extern void mmc_do_release_host_no_hwmutex(struct mmc_host *host);
+#endif
+
 extern int mmc_try_claim_host(struct mmc_host *host);
 
 /**
@@ -174,6 +181,19 @@
 	__mmc_claim_host(host, NULL);
 }
 
+#if defined(CONFIG_ARCH_GEN3)
+/**
+ *	mmc_claim_host_no_hwmutex - exclusively claim a host without lock hw mutex
+ *	@host: mmc host to claim
+ *
+ *	Claim a host for a set of operations.
+ */
+static inline void mmc_claim_host_no_hwmutex(struct mmc_host *host)
+{
+	__mmc_claim_host_no_hwmutex(host, NULL);
+}
+#endif
+
 extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
 
 #endif