diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 09:43:09 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 09:43:09 -0700 |
commit | 515b696b282f856c3ad1679ccd658120faa387d0 (patch) | |
tree | d9d7c1185c396617f128ca23463062308d11393b /arch/sh/drivers/heartbeat.c | |
parent | fa877c71e2136bd682b45022c96d5e073ced9f58 (diff) | |
parent | 064a16dc41be879d12bd5de5d2f9d38d890e0ee7 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (262 commits)
sh: mach-ecovec24: Add user debug switch support
sh: Kill off unused se_skipped in alignment trap notification code.
sh: Wire up HAVE_SYSCALL_TRACEPOINTS.
video: sh_mobile_lcdcfb: use both register sets for display panning
video: sh_mobile_lcdcfb: implement display panning
sh: Fix up sh7705 flush_dcache_page() build.
sh: kfr2r09: document the PLL/FLL <-> RF relationship.
sh: mach-ecovec24: need asm/clock.h.
sh: mach-ecovec24: deassert usb irq on boot.
sh: Add KEYSC support for EcoVec24
sh: add kycr2_delay for sh_keysc
sh: cpufreq: Include CPU id in info messages.
sh: multi-evt support for SH-X3 proto CPU.
sh: clkfwk: remove bogus set_bus_parent() from SH7709.
sh: Fix the indication point of the liquid crystal of AP-325RXA(AP3300)
sh: Add EcoVec24 romImage defconfig
sh: USB disable process is needed if romImage boot for EcoVec24
sh: EcoVec24: add HIZA setting for LED
sh: EcoVec24: write MAC address in boot
sh: Add romImage support for EcoVec24
...
Diffstat (limited to 'arch/sh/drivers/heartbeat.c')
-rw-r--r-- | arch/sh/drivers/heartbeat.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c index 938817e34e2..a9339a6174f 100644 --- a/arch/sh/drivers/heartbeat.c +++ b/arch/sh/drivers/heartbeat.c @@ -40,14 +40,19 @@ static inline void heartbeat_toggle_bit(struct heartbeat_data *hd, if (inverted) new = ~new; + new &= hd->mask; + switch (hd->regsize) { case 32: + new |= ioread32(hd->base) & ~hd->mask; iowrite32(new, hd->base); break; case 16: + new |= ioread16(hd->base) & ~hd->mask; iowrite16(new, hd->base); break; default: + new |= ioread8(hd->base) & ~hd->mask; iowrite8(new, hd->base); break; } @@ -72,6 +77,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev) { struct resource *res; struct heartbeat_data *hd; + int i; if (unlikely(pdev->num_resources != 1)) { dev_err(&pdev->dev, "invalid number of resources\n"); @@ -107,6 +113,10 @@ static int heartbeat_drv_probe(struct platform_device *pdev) hd->nr_bits = ARRAY_SIZE(default_bit_pos); } + hd->mask = 0; + for (i = 0; i < hd->nr_bits; i++) + hd->mask |= (1 << hd->bit_pos[i]); + if (!hd->regsize) hd->regsize = 8; /* default access size */ |