From: Patrick Kelle Date: Thu, 1 Dec 2011 17:54:46 +0000 (-0500) Subject: icplus: mdio_write(), remove unnecessary for loop X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d7d75960ea74e524d75ba8b067523471f39a7bf3;p=linux-beck.git icplus: mdio_write(), remove unnecessary for loop At this point the variable j is always set to 7 and the code within the loop has to run only once anyway. As suggested by David Miller: "You can simply this even further since p[7] is what is used here, and this means len is one, the inner loop therefore executes only once, and the p[7].field value is not used (it's zero in the table) and the write to it is completely thrown away." Signed-off-by: Patrick Kelle Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/icplus/ipg.c b/drivers/net/ethernet/icplus/ipg.c index 8fd80a00b898..075451d0207d 100644 --- a/drivers/net/ethernet/icplus/ipg.c +++ b/drivers/net/ethernet/icplus/ipg.c @@ -371,16 +371,9 @@ static void mdio_write(struct net_device *dev, int phy_id, int phy_reg, int val) } /* The last cycle is a tri-state, so read from the PHY. */ - for (j = 7; j < 8; j++) { - for (i = 0; i < p[j].len; i++) { - ipg_write_phy_ctl(ioaddr, IPG_PC_MGMTCLK_LO | polarity); - - p[j].field |= ((ipg_r8(PHY_CTRL) & - IPG_PC_MGMTDATA) >> 1) << (p[j].len - 1 - i); - - ipg_write_phy_ctl(ioaddr, IPG_PC_MGMTCLK_HI | polarity); - } - } + ipg_write_phy_ctl(ioaddr, IPG_PC_MGMTCLK_LO | polarity); + ipg_r8(PHY_CTRL); + ipg_write_phy_ctl(ioaddr, IPG_PC_MGMTCLK_HI | polarity); } static void ipg_set_led_mode(struct net_device *dev)