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   1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
   2 Date: Wed, 25 Jan 2017 21:00:25 +0100
   3 Subject: [PATCH] net: phy: broadcom: use auxctl reading helper in BCM54612E
   4  code
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   8
   9 Starting with commit 5b4e29005123 ("net: phy: broadcom: add
  10 bcm54xx_auxctl_read") we have a reading helper so use it and avoid code
  11 duplication.
  12 It also means we don't need MII_BCM54XX_AUXCTL_SHDWSEL_MISC define as
  13 it's the same as MII_BCM54XX_AUXCTL_SHDWSEL_MISC just for reading needs
  14 (same value shifted by 12 bits).
  15
  16 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  17 Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
  18 Signed-off-by: David S. Miller <davem@davemloft.net>
  19 ---
  20
  21 --- a/drivers/net/phy/broadcom.c
  22 +++ b/drivers/net/phy/broadcom.c
  23 @@ -395,10 +395,8 @@ static int bcm54612e_config_aneg(struct
  24             (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
  25                 u16 reg;
  26
  27 -               /* Errata: reads require filling in the write selector field */
  28 -               bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
  29 -                                    MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC);
  30 -               reg = phy_read(phydev, MII_BCM54XX_AUX_CTL);
  31 +               reg = bcm54xx_auxctl_read(phydev,
  32 +                                         MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
  33                 /* Disable RXD to RXC delay (default set) */
  34                 reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW;
  35                 /* Clear shadow selector field */
  36 --- a/include/linux/brcmphy.h
  37 +++ b/include/linux/brcmphy.h
  38 @@ -111,7 +111,6 @@
  39
  40  #define MII_BCM54XX_AUXCTL_MISC_WREN   0x8000
  41  #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX    0x0200
  42 -#define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC     0x7000
  43  #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC        0x0007
  44  #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT  12
  45  #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN  (1 << 8)