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authorIngo Molnar <mingo@kernel.org>2019-06-24 19:19:53 +0200
committerIngo Molnar <mingo@kernel.org>2019-06-24 19:19:53 +0200
commitd2abae71ebcc409828b24ce9da402548ecdf1311 (patch)
tree5edfafc2828d3bcebb3698520ccba374cd4328c0 /arch/powerpc/include/asm/page.h
parent66567fcbaecac455caa1b13643155d686b51ce63 (diff)
parent4b972a01a7da614b4796475f933094751a295a2f (diff)
Merge tag 'v5.2-rc6' into sched/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/include/asm/page.h')
-rw-r--r--arch/powerpc/include/asm/page.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index b8286a2013b4..0d52f57fca04 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -319,6 +319,13 @@ struct vm_area_struct;
#endif /* __ASSEMBLY__ */
#include <asm/slice.h>
+/*
+ * Allow 30-bit DMA for very limited Broadcom wifi chips on many powerbooks.
+ */
+#ifdef CONFIG_PPC32
+#define ARCH_ZONE_DMA_BITS 30
+#else
#define ARCH_ZONE_DMA_BITS 31
+#endif
#endif /* _ASM_POWERPC_PAGE_H */