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| author | Dave Airlie <airlied@redhat.com> | 2011-01-05 08:31:08 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-05 08:31:08 +1000 |
| commit | 4f125010d2d02c481a0fdf5aee23a9f937bc5de1 (patch) | |
| tree | dcdcd2ba1d0bb980b57ced9a1b2b5b17c84c8f57 /drivers/ata/pata_cs5536.c | |
| parent | 204663c48711ddceee09df46269cd34d49d1f7be (diff) | |
| parent | 989d873fc5b6a96695b97738dea8d9f02a60f8ab (diff) | |
| download | talos-op-linux-4f125010d2d02c481a0fdf5aee23a9f937bc5de1.tar.gz talos-op-linux-4f125010d2d02c481a0fdf5aee23a9f937bc5de1.zip | |
Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next
Diffstat (limited to 'drivers/ata/pata_cs5536.c')
| -rw-r--r-- | drivers/ata/pata_cs5536.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c index 21ee23f89e88..628c8fae5937 100644 --- a/drivers/ata/pata_cs5536.c +++ b/drivers/ata/pata_cs5536.c @@ -37,10 +37,22 @@ #include <linux/delay.h> #include <linux/libata.h> #include <scsi/scsi_host.h> + +#ifdef CONFIG_X86_32 #include <asm/msr.h> +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 +#endif #define DRV_NAME "pata_cs5536" -#define DRV_VERSION "0.0.7" +#define DRV_VERSION "0.0.8" enum { CFG = 0, @@ -75,8 +87,6 @@ enum { IDE_ETC_NODMA = 0x03, }; -static int use_msr; - static const u32 msr_reg[4] = { MSR_IDE_CFG, MSR_IDE_DTC, MSR_IDE_CAST, MSR_IDE_ETC, }; @@ -88,7 +98,7 @@ static const u8 pci_reg[4] = { static inline int cs5536_read(struct pci_dev *pdev, int reg, u32 *val) { if (unlikely(use_msr)) { - u32 dummy; + u32 dummy __maybe_unused; rdmsr(msr_reg[reg], *val, dummy); return 0; @@ -294,8 +304,6 @@ MODULE_DESCRIPTION("low-level driver for the CS5536 IDE controller"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, cs5536); MODULE_VERSION(DRV_VERSION); -module_param_named(msr, use_msr, int, 0644); -MODULE_PARM_DESC(msr, "Force using MSR to configure IDE function (Default: 0)"); module_init(cs5536_init); module_exit(cs5536_exit); |
