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authorHelge Deller <deller@parisc-linux.org>2006-03-27 12:52:15 -0700
committerKyle McMartin <kyle@hera.kernel.org>2006-03-30 17:48:42 +0000
commit5076c15862644edb91d2e3436b2fa3e07b28385d (patch)
tree179750a6a7649c8cf233509c26da144764894ded /arch/parisc
parent94c3e87a792c70d041954b0ef68ebd22368d0931 (diff)
downloadop-kernel-dev-5076c15862644edb91d2e3436b2fa3e07b28385d.zip
op-kernel-dev-5076c15862644edb91d2e3436b2fa3e07b28385d.tar.gz
[PARISC] I/O-Space must be ioremap_nocache()'d
Addresses in F-space must be accessed uncached on most parisc machines. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/perf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 53f861c..ac8ee20 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -805,7 +805,7 @@ static int perf_write_image(uint64_t *memaddr)
return -1;
}
- runway = ioremap(cpu_device->hpa.start, 4096);
+ runway = ioremap_nocache(cpu_device->hpa.start, 4096);
/* Merge intrigue bits into Runway STATUS 0 */
tmp64 = __raw_readq(runway + RUNWAY_STATUS) & 0xffecfffffffffffful;
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