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| author | Ingo Molnar <mingo@elte.hu> | 2009-09-20 20:24:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-20 20:25:03 +0200 |
| commit | bfefb7a0c6e08736f2d5917c468467f134bf28bb (patch) | |
| tree | 7aa7084114dc083fe5b4d7b532901bdeb67188e7 /arch/arm/mach-omap2/iommu2.c | |
| parent | 8d0cc631f6dd0a9283ceb7d61d8b85ecbcd355ea (diff) | |
| parent | 78f28b7c555359c67c2a0d23f7436e915329421e (diff) | |
Merge branch 'linus' into x86/urgent
Merge reason: Bring in changes that the next patch will depend on.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap2/iommu2.c')
| -rw-r--r-- | arch/arm/mach-omap2/iommu2.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c index 015f22a53ea..2d9b5cc981c 100644 --- a/arch/arm/mach-omap2/iommu2.c +++ b/arch/arm/mach-omap2/iommu2.c @@ -217,10 +217,19 @@ static ssize_t omap2_dump_cr(struct iommu *obj, struct cr_regs *cr, char *buf) } #define pr_reg(name) \ - p += sprintf(p, "%20s: %08x\n", \ - __stringify(name), iommu_read_reg(obj, MMU_##name)); - -static ssize_t omap2_iommu_dump_ctx(struct iommu *obj, char *buf) + do { \ + ssize_t bytes; \ + const char *str = "%20s: %08x\n"; \ + const int maxcol = 32; \ + bytes = snprintf(p, maxcol, str, __stringify(name), \ + iommu_read_reg(obj, MMU_##name)); \ + p += bytes; \ + len -= bytes; \ + if (len < maxcol) \ + goto out; \ + } while (0) + +static ssize_t omap2_iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len) { char *p = buf; @@ -242,7 +251,7 @@ static ssize_t omap2_iommu_dump_ctx(struct iommu *obj, char *buf) pr_reg(READ_CAM); pr_reg(READ_RAM); pr_reg(EMU_FAULT_AD); - +out: return p - buf; } |