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| author | Bharat Bhushan | 2012-06-05 05:55:04 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt | 2012-07-03 06:14:49 +0200 |
| commit | a5cb82da786f610f7e84a0a8bcf9e0218c363040 (patch) | |
| tree | 3c5f1d32541fc6e438c9ee3932eaa1119f58fa9d /arch/powerpc/platforms/44x | |
| parent | powerpc: Optimise the 64bit optimised __clear_user (diff) | |
| download | kernel-qcow2-linux-a5cb82da786f610f7e84a0a8bcf9e0218c363040.tar.gz kernel-qcow2-linux-a5cb82da786f610f7e84a0a8bcf9e0218c363040.tar.xz kernel-qcow2-linux-a5cb82da786f610f7e84a0a8bcf9e0218c363040.zip | |
powerpc: Fix assmption of end_of_DRAM() returns end address
memblock_end_of_DRAM() returns end_address + 1, not end address.
While some code assumes that it returns end address.
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/44x')
| -rw-r--r-- | arch/powerpc/platforms/44x/currituck.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/44x/currituck.c b/arch/powerpc/platforms/44x/currituck.c index 583e67fee37e..9f6c33d63a42 100644 --- a/arch/powerpc/platforms/44x/currituck.c +++ b/arch/powerpc/platforms/44x/currituck.c @@ -160,7 +160,7 @@ static void __init ppc47x_setup_arch(void) /* No need to check the DMA config as we /know/ our windows are all of * RAM. Lets hope that doesn't change */ #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > 0xffffffff) { + if ((memblock_end_of_DRAM() - 1) > 0xffffffff) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; |