Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=05502339332564ffd545be9ca37b208296a2eaad
Commit: 05502339332564ffd545be9ca37b208296a2eaad
Parent: f197465384bf7ef1af184c2ed1a4e268911a91e3
Author: Atsushi Nemoto <[EMAIL PROTECTED]>
AuthorDate: Wed Mar 21 00:36:02 2007 +0900
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Fri Apr 27 16:20:24 2007 +0100
[MIPS] Select ZONE_DMA only if GENERIC_ISA_DMA selected
Signed-off-by: Atsushi Nemoto <[EMAIL PROTECTED]>
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
arch/mips/Kconfig | 3 ++-
arch/mips/mm/init.c | 17 +++++++----------
2 files changed, 9 insertions(+), 11 deletions(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index acceae0..f9c4ba5 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -10,7 +10,6 @@ menu "Machine selection"
config ZONE_DMA
bool
- default y
choice
prompt "System type"
@@ -923,6 +922,7 @@ config SYS_HAS_EARLY_PRINTK
config GENERIC_ISA_DMA
bool
+ select ZONE_DMA
config I8259
bool
@@ -946,6 +946,7 @@ config MIPS_DISABLE_OBSOLETE_IDE
config GENERIC_ISA_DMA_SUPPORT_BROKEN
bool
+ select ZONE_DMA
#
# Endianess selection. Sufficiently obscure so many users don't know what to
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index e9951c0..8800c88 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -351,18 +351,15 @@ void __init paging_init(void)
#endif
kmap_coherent_init();
-#ifdef CONFIG_ISA
- if (max_low_pfn >= MAX_DMA_PFN)
- if (min_low_pfn >= MAX_DMA_PFN) {
- zones_size[ZONE_DMA] = 0;
- zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
- } else {
- zones_size[ZONE_DMA] = MAX_DMA_PFN - min_low_pfn;
- zones_size[ZONE_NORMAL] = max_low_pfn - MAX_DMA_PFN;
- }
+#ifdef CONFIG_ZONE_DMA
+ if (min_low_pfn < MAX_DMA_PFN && MAX_DMA_PFN <= max_low_pfn) {
+ zones_size[ZONE_DMA] = MAX_DMA_PFN - min_low_pfn;
+ zones_size[ZONE_NORMAL] = max_low_pfn - MAX_DMA_PFN;
+ } else if (max_low_pfn < MAX_DMA_PFN)
+ zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
else
#endif
- zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
+ zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
#ifdef CONFIG_HIGHMEM
zones_size[ZONE_HIGHMEM] = highend_pfn - highstart_pfn;
-
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