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authorLinus Torvalds <torvalds@linux-foundation.org>2010-12-25 00:00:16 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-12-25 00:00:16 +0300
commitdfe80f63293ece364795c2e87805882c9ec3a266 (patch)
tree4325d2abfdae85c88ad6445b5bb48b2993470f59 /drivers/ata/pata_cs5536.c
parenta4790c9457ae973d598bbd5ce58f9eaa2dd1576b (diff)
parente5005b15c91f3362036067bde5210d5c78af2f0d (diff)
downloadlinux-dfe80f63293ece364795c2e87805882c9ec3a266.tar.xz
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: issue DIPM enable commands with LPM state updated libata: no special completion processing for EH commands pata_mpc52xx: driver needs BMDMA pata_cs5536: Add support for non-X86_32 platforms libata-sff: fix HSM_ST_ERR handling in __ata_sff_port_intr()
Diffstat (limited to 'drivers/ata/pata_cs5536.c')
-rw-r--r--drivers/ata/pata_cs5536.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 21ee23f89e88..a6e6c963b6ae 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -37,10 +37,20 @@
#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
+#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 +85,6 @@ 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 +96,7 @@ 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 +302,6 @@ 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);