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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>
This commit is contained in:
Bharat Bhushan 2012-06-05 03:55:04 +00:00 committed by Benjamin Herrenschmidt
parent cf8fb5533f
commit a5cb82da78
8 changed files with 8 additions and 8 deletions
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2
arch/powerpc/platforms/44x/currituck.c
View File

@ -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;

2
arch/powerpc/platforms/85xx/corenet_ds.c
View File

@ -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;

2
arch/powerpc/platforms/85xx/ge_imp3a.c
View File

@ -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;

2
arch/powerpc/platforms/85xx/mpc8536_ds.c
View File

@ -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;

2
arch/powerpc/platforms/85xx/mpc85xx_ds.c
View File

@ -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;

2
arch/powerpc/platforms/85xx/mpc85xx_mds.c
View File

@ -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;

2
arch/powerpc/platforms/85xx/p1022_ds.c
View File

@ -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;

2
arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
View File

@ -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;