Merge tag 'mmc-2-20-2020' of https://gitlab.denx.de/u-boot/custodians/u-boot-mmc

- sdhci: code clean-up and fix cache coherency problem
- enable cache snooping on mpc830x
- Fix build error when MMC_WRITE disabled

12 files changed, 12 insertions, 110 deletions

diff --git a/arch/arc/include/asm/dma-mapping.h b/arch/arc/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/arc/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index d20703739f..8bb3fa2e0e 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -11,10 +11,9 @@
 #include <asm/cache.h>
 #include <cpu_func.h>
 #include <linux/dma-direction.h>
+#include <linux/types.h>
 #include <malloc.h>
 
-#define	dma_mapping_error(x, y)	0
-
 static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
 {
 	*handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, ROUND(len, ARCH_DMA_MINALIGN));
@@ -26,30 +25,4 @@ static inline void dma_free_coherent(void *addr)
 	free(addr);
 }
 
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
-					   enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir == DMA_FROM_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-	else
-		flush_dcache_range(addr, addr + len);
-
-	return addr;
-}
-
-static inline void dma_unmap_single(volatile void *vaddr, size_t len,
-				    enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir != DMA_TO_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-}
-
 #endif /* __ASM_ARM_DMA_MAPPING_H */
diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/m68k/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
diff --git a/arch/nds32/include/asm/dma-mapping.h b/arch/nds32/include/asm/dma-mapping.h
index c8876ceadd..f8668f1fe5 100644
--- a/arch/nds32/include/asm/dma-mapping.h
+++ b/arch/nds32/include/asm/dma-mapping.h
@@ -10,6 +10,7 @@
 #include <asm/cache.h>
 #include <cpu_func.h>
 #include <linux/dma-direction.h>
+#include <linux/types.h>
 #include <malloc.h>
 
 static void *dma_alloc_coherent(size_t len, unsigned long *handle)
@@ -18,30 +19,4 @@ static void *dma_alloc_coherent(size_t len, unsigned long *handle)
 	return (void *)*handle;
 }
 
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
-					   enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir == DMA_FROM_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-	else
-		flush_dcache_range(addr, addr + len);
-
-	return addr;
-}
-
-static inline void dma_unmap_single(volatile void *vaddr, size_t len,
-				    enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir != DMA_TO_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-}
-
 #endif /* __ASM_NDS_DMA_MAPPING_H */
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
diff --git a/arch/riscv/include/asm/dma-mapping.h b/arch/riscv/include/asm/dma-mapping.h
index 6cc3946959..6ecadab41c 100644
--- a/arch/riscv/include/asm/dma-mapping.h
+++ b/arch/riscv/include/asm/dma-mapping.h
@@ -10,13 +10,12 @@
 #define __ASM_RISCV_DMA_MAPPING_H
 
 #include <common.h>
+#include <linux/types.h>
 #include <asm/cache.h>
 #include <cpu_func.h>
 #include <linux/dma-direction.h>
 #include <malloc.h>
 
-#define dma_mapping_error(x, y)	0
-
 static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
 {
 	*handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len);
@@ -28,30 +27,4 @@ static inline void dma_free_coherent(void *addr)
 	free(addr);
 }
 
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
-					   enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir == DMA_FROM_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-	else
-		flush_dcache_range(addr, addr + len);
-
-	return addr;
-}
-
-static inline void dma_unmap_single(volatile void *vaddr, size_t len,
-				    enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir != DMA_TO_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-}
-
 #endif /* __ASM_RISCV_DMA_MAPPING_H */
diff --git a/arch/sandbox/include/asm/dma-mapping.h b/arch/sandbox/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/sandbox/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 900b99b8a6..8be1003e6b 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -11,10 +11,9 @@
 #include <asm/cache.h>
 #include <cpu_func.h>
 #include <linux/dma-direction.h>
+#include <linux/types.h>
 #include <malloc.h>
 
-#define	dma_mapping_error(x, y)	0
-
 static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
 {
 	*handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len);
@@ -26,30 +25,4 @@ static inline void dma_free_coherent(void *addr)
 	free(addr);
 }
 
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
-					   enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir == DMA_FROM_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-	else
-		flush_dcache_range(addr, addr + len);
-
-	return addr;
-}
-
-static inline void dma_unmap_single(volatile void *vaddr, size_t len,
-				    enum dma_data_direction dir)
-{
-	unsigned long addr = (unsigned long)vaddr;
-
-	len = ALIGN(len, ARCH_DMA_MINALIGN);
-
-	if (dir != DMA_TO_DEVICE)
-		invalidate_dcache_range(addr, addr + len);
-}
-
 #endif /* __ASM_X86_DMA_MAPPING_H */
diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
new file mode 100644
index 0000000000..853b0877b3
--- /dev/null
+++ b/arch/xtensa/include/asm/dma-mapping.h
@@ -0,0 +1 @@
+/* SPDX-License-Identifier: GPL-2.0-only */