From: Florian Fainelli Date: Wed, 11 Apr 2012 07:18:38 +0000 (+0000) Subject: r6040: add a MAC operation timeout define X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2fa15bbdd8a1ac096819df29db8d69b063752bee;p=linux-beck.git r6040: add a MAC operation timeout define 2048 is the usual value for busy-waiting on a register r/w, define it as MAC_DEF_TIMEOUT and use it where it is appropriate. Signed-off-by: Florian Fainelli Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c index fa2959689d87..9ffbf6e39b32 100644 --- a/drivers/net/ethernet/rdc/r6040.c +++ b/drivers/net/ethernet/rdc/r6040.c @@ -137,6 +137,8 @@ #define MBCR_DEFAULT 0x012A /* MAC Bus Control Register */ #define MCAST_MAX 3 /* Max number multicast addresses to filter */ +#define MAC_DEF_TIMEOUT 2048 /* Default MAC read/write operation timeout */ + /* Descriptor status */ #define DSC_OWNER_MAC 0x8000 /* MAC is the owner of this descriptor */ #define DSC_RX_OK 0x4000 /* RX was successful */ @@ -204,7 +206,7 @@ static char version[] __devinitdata = DRV_NAME /* Read a word data from PHY Chip */ static int r6040_phy_read(void __iomem *ioaddr, int phy_addr, int reg) { - int limit = 2048; + int limit = MAC_DEF_TIMEOUT; u16 cmd; iowrite16(MDIO_READ + reg + (phy_addr << 8), ioaddr + MMDIO); @@ -222,7 +224,7 @@ static int r6040_phy_read(void __iomem *ioaddr, int phy_addr, int reg) static void r6040_phy_write(void __iomem *ioaddr, int phy_addr, int reg, u16 val) { - int limit = 2048; + int limit = MAC_DEF_TIMEOUT; u16 cmd; iowrite16(val, ioaddr + MMWD); @@ -361,7 +363,7 @@ err_exit: static void r6040_reset_mac(struct r6040_private *lp) { void __iomem *ioaddr = lp->base; - int limit = 2048; + int limit = MAC_DEF_TIMEOUT; u16 cmd; iowrite16(MAC_RST, ioaddr + MCR1);