From 7d03f5a48e4d90854275b06433626243b3b3db17 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Fri, 30 Dec 2011 23:44:33 +0000 Subject: [PATCH] 8139cp/8139too: do not read into reserved registers delay_eeprom() use long read for Cfg9346 register(offset 0x50) which may read into the area of reserved register(offset 0x53). Use byte read instead. Signed-off-by: Jason Wang Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/8139cp.c | 2 +- drivers/net/ethernet/realtek/8139too.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -1590,7 +1590,7 @@ static int cp_set_mac_address(struct net No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. */ -#define eeprom_delay() readl(ee_addr) +#define eeprom_delay() readb(ee_addr) /* The EEPROM commands include the alway-set leading bit. */ #define EE_EXTEND_CMD (4) --- a/drivers/net/ethernet/realtek/8139too.c +++ b/drivers/net/ethernet/realtek/8139too.c @@ -1122,7 +1122,7 @@ static void __devexit rtl8139_remove_one No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. */ -#define eeprom_delay() (void)RTL_R32(Cfg9346) +#define eeprom_delay() (void)RTL_R8(Cfg9346) /* The EEPROM commands include the alway-set leading bit. */ #define EE_WRITE_CMD (5)