From a5cb82da786f610f7e84a0a8bcf9e0218c363040 Mon Sep 17 00:00:00 2001 From: Bharat Bhushan Date: Tue, 5 Jun 2012 03:55:04 +0000 Subject: [PATCH] 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 Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/44x/currituck.c | 2 +- arch/powerpc/platforms/85xx/corenet_ds.c | 2 +- arch/powerpc/platforms/85xx/ge_imp3a.c | 2 +- arch/powerpc/platforms/85xx/mpc8536_ds.c | 2 +- arch/powerpc/platforms/85xx/mpc85xx_ds.c | 2 +- arch/powerpc/platforms/85xx/mpc85xx_mds.c | 2 +- arch/powerpc/platforms/85xx/p1022_ds.c | 2 +- arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 2 +- 8 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/platforms/44x/currituck.c b/arch/powerpc/platforms/44x/currituck.c index 583e67fee37..9f6c33d63a4 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; diff --git a/arch/powerpc/platforms/85xx/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c index dd3617c531d..925b0287423 100644 --- a/arch/powerpc/platforms/85xx/corenet_ds.c +++ b/arch/powerpc/platforms/85xx/corenet_ds.c @@ -77,7 +77,7 @@ void __init corenet_ds_setup_arch(void) #endif #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > max) { + if ((memblock_end_of_DRAM() - 1) > max) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; diff --git a/arch/powerpc/platforms/85xx/ge_imp3a.c b/arch/powerpc/platforms/85xx/ge_imp3a.c index 18014629416..b6a728b0a8c 100644 --- a/arch/powerpc/platforms/85xx/ge_imp3a.c +++ b/arch/powerpc/platforms/85xx/ge_imp3a.c @@ -125,7 +125,7 @@ static void __init ge_imp3a_setup_arch(void) mpc85xx_smp_init(); #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > max) { + if ((memblock_end_of_DRAM() - 1) > max) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c index 585bd22b140..767c7cf18a9 100644 --- a/arch/powerpc/platforms/85xx/mpc8536_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c @@ -75,7 +75,7 @@ static void __init mpc8536_ds_setup_arch(void) #endif #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > max) { + if ((memblock_end_of_DRAM() - 1) > max) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index 1fd91e9e0ff..d30f6c47917 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -173,7 +173,7 @@ static void __init mpc85xx_ds_setup_arch(void) mpc85xx_smp_init(); #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > max) { + if ((memblock_end_of_DRAM() - 1) > max) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index d208ebccb91..8e4b094c553 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -359,7 +359,7 @@ static void __init mpc85xx_mds_setup_arch(void) mpc85xx_mds_qe_init(); #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > max) { + if ((memblock_end_of_DRAM() - 1) > max) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index f700c81a132..74e310b4b46 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -450,7 +450,7 @@ static void __init p1022_ds_setup_arch(void) mpc85xx_smp_init(); #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > max) { + if ((memblock_end_of_DRAM() - 1) > max) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 3755e61d7ec..817245bc021 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -102,7 +102,7 @@ mpc86xx_hpcn_setup_arch(void) #endif #ifdef CONFIG_SWIOTLB - if (memblock_end_of_DRAM() > max) { + if ((memblock_end_of_DRAM() - 1) > max) { ppc_swiotlb_enable = 1; set_pci_dma_ops(&swiotlb_dma_ops); ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;