[ar71xx] ag71xx driver: always flush register writes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13524 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
index 40715c9..cddf3a0 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
@@ -37,7 +37,7 @@
 #define ETH_FCS_LEN    4
 
 #define AG71XX_DRV_NAME                "ag71xx"
-#define AG71XX_DRV_VERSION     "0.5.7"
+#define AG71XX_DRV_VERSION     "0.5.8"
 
 #define AG71XX_NAPI_TX         1
 
@@ -308,13 +308,18 @@ static inline int ag71xx_desc_pktlen(struct ag71xx_desc *desc)
 
 static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
 {
+       void __iomem *r;
+
        switch (reg) {
        case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-               __raw_writel(value, ag->mac_base + reg);
+               r = ag->mac_base + reg;
+               __raw_writel(value, r);
+               __raw_readl(r);
                break;
        case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-               reg -= AG71XX_REG_MAC_IFCTL;
-               __raw_writel(value, ag->mac_base2 + reg);
+               r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+               __raw_writel(value, r);
+               __raw_readl(r);
                break;
        default:
                BUG();
@@ -323,15 +328,17 @@ static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
 
 static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
 {
+       void __iomem *r;
        u32 ret;
 
        switch (reg) {
        case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-               ret = __raw_readl(ag->mac_base + reg);
+               r = ag->mac_base + reg;
+               ret = __raw_readl(r);
                break;
        case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-               reg -= AG71XX_REG_MAC_IFCTL;
-               ret = __raw_readl(ag->mac_base2 + reg);
+               r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+               ret = __raw_readl(r);
                break;
        default:
                BUG();
@@ -348,10 +355,12 @@ static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask)
        case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
                r = ag->mac_base + reg;
                __raw_writel(__raw_readl(r) | mask, r);
+               __raw_readl(r);
                break;
        case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
                r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
                __raw_writel(__raw_readl(r) | mask, r);
+               __raw_readl(r);
                break;
        default:
                BUG();
@@ -366,10 +375,12 @@ static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask)
        case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
                r = ag->mac_base + reg;
                __raw_writel(__raw_readl(r) & ~mask, r);
+               __raw_readl(r);
                break;
        case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
                r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
                __raw_writel(__raw_readl(r) & ~mask, r);
+               __raw_readl(r);
                break;
        default:
                BUG();
@@ -389,6 +400,7 @@ static inline void ag71xx_int_disable(struct ag71xx *ag, u32 ints)
 static inline void ag71xx_mii_ctrl_wr(struct ag71xx *ag, u32 value)
 {
        __raw_writel(value, ag->mii_ctrl);
+       __raw_readl(ag->mii_ctrl);
 }
 
 static inline u32 ag71xx_mii_ctrl_rr(struct ag71xx *ag)