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authorMichal Simek <michal.simek@xilinx.com>2020-11-26 14:32:25 +0100
committerMichal Simek <michal.simek@xilinx.com>2020-11-26 16:39:35 +0100
commit05cdf457477d6603b207d91873f0a3d4c7f8c1cd (patch)
tree187900c636e5c8b9da2fe4344cbc8658ab92541a /arch/microblaze/include/asm/dma.h
parented2124c0b9a8d2c09e3b5b9ca9827187c5fcbe71 (diff)
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microblaze: Remove noMMU code
This configuration is obsolete and likely none is really using it. That's why remove it to simplify code. Note about CONFIG_MMU in hw_exception_handler.S is left intentionally for better comment understanding. Cc: Mike Rapoport <rppt@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/43486cab370e0c0a79860120b71e0caac75a7e44.1606397528.git.michal.simek@xilinx.com
Diffstat (limited to 'arch/microblaze/include/asm/dma.h')
-rw-r--r--arch/microblaze/include/asm/dma.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h
index e6cb6d0725af..f801582be912 100644
--- a/arch/microblaze/include/asm/dma.h
+++ b/arch/microblaze/include/asm/dma.h
@@ -6,14 +6,8 @@
#ifndef _ASM_MICROBLAZE_DMA_H
#define _ASM_MICROBLAZE_DMA_H
-#ifndef CONFIG_MMU
-/* we don't have dma address limit. define it as zero to be
- * unlimited. */
-#define MAX_DMA_ADDRESS (0)
-#else
/* Virtual address corresponding to last available physical memory address. */
#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1)
-#endif
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;