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authorJeff Garzik <jeff@garzik.org>2010-12-26 19:42:15 -0500
committerJeff Garzik <jgarzik@redhat.com>2010-12-26 19:42:15 -0500
commitff5dd32b997a5a5ce3f4256257991133d694da0b (patch)
tree84b4cf2fc320409e9c2cf45bf3526a68086ece2a /drivers/ata/pata_cs5536.c
parentd7c1255a3a21e98bdc64df8ccf005a174d7e6289 (diff)
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pata_cs5536: avoid implicit MSR API inclusion on x86-64
We don't need or want MSR usage here, on x86-64. x86-64 was disabled intentionally in Kconfig, but commit 9272dcc232b84ccb027d6861077934055d42764d changed that. drivers/ata/pata_cs5536.c:47:1: warning: "rdmsr" redefined In file included from arch/x86/include/asm/irqflags.h:60, from include/linux/irqflags.h:15, from arch/x86/include/asm/system.h:11, from arch/x86/include/asm/processor.h:17, from include/linux/prefetch.h:14, from include/linux/list.h:7, from include/linux/module.h:9, from drivers/ata/pata_cs5536.c:33: arch/x86/include/asm/paravirt.h:146:1: warning: this is the location of the previous definition drivers/ata/pata_cs5536.c:48:1: warning: "wrmsr" redefined arch/x86/include/asm/paravirt.h:154:1: warning: this is the location of the previous definition Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_cs5536.c')
-rw-r--r--drivers/ata/pata_cs5536.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index a6e6c96..628c8fa 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -44,6 +44,8 @@ static int use_msr;
module_param_named(msr, use_msr, int, 0644);
MODULE_PARM_DESC(msr, "Force using MSR to configure IDE function (Default: 0)");
#else
+#undef rdmsr /* avoid accidental MSR usage on, e.g. x86-64 */
+#undef wrmsr
#define rdmsr(x, y, z) do { } while (0)
#define wrmsr(x, y, z) do { } while (0)
#define use_msr 0