Allow for superio_enter to be called outside mux, in particular for
initialisation of the second chipset, which must be entered, but never
exited.
Signed-off-by: Frank Crawford <frank@xxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/it87.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 9997f76b1f4a..4ebce2c661d7 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -87,6 +87,14 @@ static struct platform_device *it87_pdev[2];
#define DEVID 0x20 /* Register: Device ID */
#define DEVREV 0x22 /* Register: Device Revision */
+static inline void __superio_enter(int ioreg)
+{
+ outb(0x87, ioreg);
+ outb(0x01, ioreg);
+ outb(0x55, ioreg);
+ outb(ioreg == REG_4E ? 0xaa : 0x55, ioreg);
+}
+
static inline int superio_inb(int ioreg, int reg)
{
outb(reg, ioreg);
@@ -124,10 +132,7 @@ static inline int superio_enter(int ioreg)
if (!request_muxed_region(ioreg, 2, DRVNAME))
return -EBUSY;
- outb(0x87, ioreg);
- outb(0x01, ioreg);
- outb(0x55, ioreg);
- outb(ioreg == REG_4E ? 0xaa : 0x55, ioreg);
+ __superio_enter(ioreg);
return 0;
}
--
2.38.1
