From 0703ed2a6b260cd743adf49a8281eb064d728832 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 4 Jul 2011 08:32:21 +0100 Subject: ARM: dmabounce: get rid of dma_needs_bounce global function Pass the device type specific needs_bounce function in at dmabounce register time, avoiding the need for a platform specific global function to do this. Signed-off-by: Russell King --- arch/arm/mach-ixp4xx/common-pci.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'arch/arm/mach-ixp4xx') diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c index e9a589395723..d7db10cfe53d 100644 --- a/arch/arm/mach-ixp4xx/common-pci.c +++ b/arch/arm/mach-ixp4xx/common-pci.c @@ -316,6 +316,11 @@ static int abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *r } +static int ixp4xx_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size) +{ + return dev->bus == &pci_bus_type && (dma_addr + size) >= SZ_64M; +} + /* * Setup DMA mask to 64MB on PCI devices. Ignore all other devices. */ @@ -324,7 +329,7 @@ static int ixp4xx_pci_platform_notify(struct device *dev) if(dev->bus == &pci_bus_type) { *dev->dma_mask = SZ_64M - 1; dev->coherent_dma_mask = SZ_64M - 1; - dmabounce_register_dev(dev, 2048, 4096); + dmabounce_register_dev(dev, 2048, 4096, ixp4xx_needs_bounce); } return 0; } @@ -337,11 +342,6 @@ static int ixp4xx_pci_platform_notify_remove(struct device *dev) return 0; } -int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size) -{ - return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M); -} - void __init ixp4xx_pci_preinit(void) { unsigned long cpuid = read_cpuid_id(); -- cgit v1.2.3 From 5c8598fca1a359520623ed5409d23bb9e23d7da3 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 4 Jul 2011 08:34:33 +0100 Subject: ARM: dmabounce: no need to check dev->bus type in needs_bounce function As the needs_bounce function is passed at DMA bounce register time, we already know what the device bus type is, so we don't need to check it each time the needs_bounce function is called. Signed-off-by: Russell King --- arch/arm/common/it8152.c | 3 +-- arch/arm/mach-ixp4xx/common-pci.c | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) (limited to 'arch/arm/mach-ixp4xx') diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index 80b49e1e0992..14ad62e16dd1 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -247,8 +247,7 @@ static int it8152_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t s { dev_dbg(dev, "%s: dma_addr %08x, size %08x\n", __func__, dma_addr, size); - return dev->bus == &pci_bus_type && - (dma_addr + size - PHYS_OFFSET) >= SZ_64M; + return (dma_addr + size - PHYS_OFFSET) >= SZ_64M; } /* diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c index d7db10cfe53d..e2e98bbb6413 100644 --- a/arch/arm/mach-ixp4xx/common-pci.c +++ b/arch/arm/mach-ixp4xx/common-pci.c @@ -318,7 +318,7 @@ static int abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *r static int ixp4xx_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size) { - return dev->bus == &pci_bus_type && (dma_addr + size) >= SZ_64M; + return (dma_addr + size) >= SZ_64M; } /* -- cgit v1.2.3 From 900b170af40b4fef54e89f3d48d055f7d8031ae6 Mon Sep 17 00:00:00 2001 From: Richard Cochran Date: Fri, 15 Jul 2011 21:33:12 +0200 Subject: ARM: fix regression in IXP4xx clocksource MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Commit 234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868 clocksource: convert ARM 32-bit up counting clocksources broke the build for ixp4xx and made big endian operation impossible. This commit restores the original behaviour. Signed-off-by: Richard Cochran Signed-off-by: Krzysztof Hałasa [ Thomas says that we might want to have generic BE accessor functions to the MMIO clock source, but that hasn't happened yet, so in the meantime this seems to be the short-term fix for the particular problem - Linus ] Signed-off-by: Linus Torvalds --- arch/arm/mach-ixp4xx/common.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'arch/arm/mach-ixp4xx') diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 74ed81a3cb1a..07772575d7ab 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -419,14 +419,20 @@ static void notrace ixp4xx_update_sched_clock(void) /* * clocksource */ + +static cycle_t ixp4xx_clocksource_read(struct clocksource *c) +{ + return *IXP4XX_OSTS; +} + unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ; EXPORT_SYMBOL(ixp4xx_timer_freq); static void __init ixp4xx_clocksource_init(void) { init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq); - clocksource_mmio_init(&IXP4XX_OSTS, "OSTS", ixp4xx_timer_freq, 200, 32, - clocksource_mmio_readl_up); + clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32, + ixp4xx_clocksource_read); } /* -- cgit v1.2.3