i2c-piix4: Minor cleanups
* Remove a needless include.
* Remove a legacy comment in piix4_access.
* Minor optimization in piix4_access.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 4ae3a2c..fdc9ad8 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -38,7 +38,6 @@
#include <linux/ioport.h>
#include <linux/i2c.h>
#include <linux/init.h>
-#include <linux/apm_bios.h>
#include <linux/dmi.h>
#include <asm/io.h>
@@ -343,12 +342,7 @@
switch (size) {
- case PIIX4_BYTE: /* Where is the result put? I assume here it is in
- SMBHSTDAT0 but it might just as well be in the
- SMBHSTCMD. No clue in the docs */
-
- data->byte = inb_p(SMBHSTDAT0);
- break;
+ case PIIX4_BYTE:
case PIIX4_BYTE_DATA:
data->byte = inb_p(SMBHSTDAT0);
break;