diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
commit | 2ca7d674d7ab2220707b2ada0b690c0e7c95e7ac (patch) | |
tree | 9c0927ed1d540e5fd704c1f82689870786514655 /drivers/amba/bus.c | |
parent | 2195d2818c37bdf263865f1e9effccdd9fc5f9d4 (diff) | |
parent | 87d721ad7a37b7650dd710c88dd5c6a5bf9fe996 (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (257 commits)
[ARM] Update mach-types
ARM: 5636/1: Move vendor enum to AMBA include
ARM: Fix pfn_valid() for sparse memory
[ARM] orion5x: Add LaCie NAS 2Big Network support
[ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume
ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board
ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board
ARM: 5689/1: Update default config of HP Jornada 700-series machines
ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem
ARM: 5688/1: ks8695_serial: disable_irq() lockup
ARM: 5687/1: fix an oops with highmem
ARM: 5684/1: Add nuc960 platform to w90x900
ARM: 5683/1: Add nuc950 platform to w90x900
ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform
ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection
MMC: MMCI: convert realview MMC to use gpiolib
ARM: 5685/1: Make MMCI driver compile without gpiolib
ARM: implement highpte
ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ
...
Fix up trivial conflict in arch/arm/kernel/signal.c.
It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS:
Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.
Diffstat (limited to 'drivers/amba/bus.c')
-rw-r--r-- | drivers/amba/bus.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 24665067301..f60b2b6a093 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -204,6 +204,7 @@ static void amba_device_release(struct device *dev) int amba_device_register(struct amba_device *dev, struct resource *parent) { u32 pid, cid; + u32 size; void __iomem *tmp; int i, ret; @@ -229,16 +230,25 @@ int amba_device_register(struct amba_device *dev, struct resource *parent) if (ret) goto err_out; - tmp = ioremap(dev->res.start, SZ_4K); + /* + * Dynamically calculate the size of the resource + * and use this for iomap + */ + size = resource_size(&dev->res); + tmp = ioremap(dev->res.start, size); if (!tmp) { ret = -ENOMEM; goto err_release; } + /* + * Read pid and cid based on size of resource + * they are located at end of region + */ for (pid = 0, i = 0; i < 4; i++) - pid |= (readl(tmp + 0xfe0 + 4 * i) & 255) << (i * 8); + pid |= (readl(tmp + size - 0x20 + 4 * i) & 255) << (i * 8); for (cid = 0, i = 0; i < 4; i++) - cid |= (readl(tmp + 0xff0 + 4 * i) & 255) << (i * 8); + cid |= (readl(tmp + size - 0x10 + 4 * i) & 255) << (i * 8); iounmap(tmp); @@ -353,11 +363,14 @@ amba_find_device(const char *busid, struct device *parent, unsigned int id, int amba_request_regions(struct amba_device *dev, const char *name) { int ret = 0; + u32 size; if (!name) name = dev->dev.driver->name; - if (!request_mem_region(dev->res.start, SZ_4K, name)) + size = resource_size(&dev->res); + + if (!request_mem_region(dev->res.start, size, name)) ret = -EBUSY; return ret; @@ -371,7 +384,10 @@ int amba_request_regions(struct amba_device *dev, const char *name) */ void amba_release_regions(struct amba_device *dev) { - release_mem_region(dev->res.start, SZ_4K); + u32 size; + + size = resource_size(&dev->res); + release_mem_region(dev->res.start, size); } EXPORT_SYMBOL(amba_driver_register); |