]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
x86: Add flush_write_buffers in nommu functions
authorGlauber Costa <gcosta@redhat.com>
Tue, 8 Apr 2008 16:20:46 +0000 (13:20 -0300)
committerIngo Molnar <mingo@elte.hu>
Sat, 19 Apr 2008 17:19:57 +0000 (19:19 +0200)
This patch adds flush_write_buffers() in some functions of pci-nommu_64.c
They are added anywhere i386 would also have it. This is not a problem
for x86_64, since flush_rite_buffers() an nop for it.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/pci-nommu_64.c

index a4e8ccfae4cb0f3c6f2c3a1f1a408596de04c1c8..1da9cf9be3aa08947ef4ac9852ec983e2582a4b5 100644 (file)
@@ -32,6 +32,7 @@ nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size,
        dma_addr_t bus = paddr;
        if (!check_addr("map_single", hwdev, bus, size))
                                return bad_dma_address;
+       flush_write_buffers();
        return bus;
 }
 
@@ -64,6 +65,7 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
                        return 0;
                s->dma_length = s->length;
        }
+       flush_write_buffers();
        return nents;
 }