i2c: piix4: Fix port number check on release

The port number shift is still hard-coded to 1 while it now depends
on the hardware.

Thankfully 0 is always 0 no matter how you shift it, so this was a
bug without consequences.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: 0fe16195f891 ("i2c: piix4: Fix SMBus port selection for AMD Family 17h chips")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 174579d..462948e 100644 (file)
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -983,7 +983,7 @@ static void piix4_adap_remove(struct i2c_adapter *adap)
 
        if (adapdata->smba) {
                i2c_del_adapter(adap);
-               if (adapdata->port == (0 << 1)) {
+               if (adapdata->port == (0 << piix4_port_shift_sb800)) {
                        release_region(adapdata->smba, SMBIOSIZE);
                        if (adapdata->sb800_main)
                                release_region(SB800_PIIX4_SMB_IDX, 2);