Nicolas Saenz Julienne [off-list ref] writes:
quoted hunk
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 0d52f57fca04..73668a21ae78 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -319,13 +319,4 @@ struct vm_area_struct;
#endif /* __ASSEMBLY__ */
#include <asm/slice.h>
-/*
- * Allow 30-bit DMA for very limited Broadcom wifi chips on many powerbooks.
This comment got lost.
quoted hunk
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 9191a66b3bc5..2a69f87585df 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -237,9 +238,14 @@ void __init paging_init(void)
printk(KERN_DEBUG "Memory hole size: %ldMB\n",
(long int)((top_of_ram - total_ram) >> 20));
+ if (IS_ENABLED(CONFIG_PPC32))
Can you please propagate it here?
quoted hunk
+ zone_dma_bits = 30;
+ else
+ zone_dma_bits = 31;
+
cheers