From b733c278d7adc48c71bd06faf359db3d9e385185 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Wed, 18 May 2016 12:46:12 +0200 Subject: [PATCH] net: phy: Handle phy_startup() error codes properly Propagate error code from genphy_update_link() to phy startup(). Signed-off-by: Michal Simek Acked-by: Stephen Warren --- drivers/net/phy/broadcom.c | 34 ++++++++++++++++++++++------------ drivers/net/phy/davicom.c | 9 ++++++--- drivers/net/phy/et1011c.c | 10 +++++++--- drivers/net/phy/lxt.c | 9 ++++++--- drivers/net/phy/marvell.c | 29 +++++++++++++++++++---------- drivers/net/phy/micrel.c | 7 ++++++- drivers/net/phy/natsemi.c | 18 ++++++++++++------ drivers/net/phy/phy.c | 9 ++++++--- drivers/net/phy/realtek.c | 28 +++++++++++++++++++--------- drivers/net/phy/smsc.c | 10 +++++++--- drivers/net/phy/vitesse.c | 8 +++++--- 11 files changed, 115 insertions(+), 56 deletions(-) diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 4b2808eff0..9871cc3edd 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -84,11 +84,14 @@ static int bcm54xx_parse_status(struct phy_device *phydev) static int bcm54xx_startup(struct phy_device *phydev) { + int ret; + /* Read the Status (2x to make sure link is right) */ - genphy_update_link(phydev); - bcm54xx_parse_status(phydev); + ret = genphy_update_link(phydev); + if (ret) + return ret; - return 0; + return bcm54xx_parse_status(phydev); } /* Broadcom BCM5482S */ @@ -139,11 +142,14 @@ static int bcm5482_config(struct phy_device *phydev) static int bcm_cygnus_startup(struct phy_device *phydev) { + int ret; + /* Read the Status (2x to make sure link is right) */ - genphy_update_link(phydev); - genphy_parse_link(phydev); + ret = genphy_update_link(phydev); + if (ret) + return ret; - return 0; + return genphy_parse_link(phydev); } static int bcm_cygnus_config(struct phy_device *phydev) @@ -239,17 +245,21 @@ static u32 bcm5482_parse_serdes_sr(struct phy_device *phydev) */ static int bcm5482_startup(struct phy_device *phydev) { + int ret; + if (bcm5482_is_serdes(phydev)) { bcm5482_parse_serdes_sr(phydev); phydev->port = PORT_FIBRE; - } else { - /* Wait for auto-negotiation to complete or fail */ - genphy_update_link(phydev); - /* Parse BCM54xx copper aux status register */ - bcm54xx_parse_status(phydev); + return 0; } - return 0; + /* Wait for auto-negotiation to complete or fail */ + ret = genphy_update_link(phydev); + if (ret) + return ret; + + /* Parse BCM54xx copper aux status register */ + return bcm54xx_parse_status(phydev); } static struct phy_driver BCM5461S_driver = { diff --git a/drivers/net/phy/davicom.c b/drivers/net/phy/davicom.c index 0c039fe79f..0a6e4107ba 100644 --- a/drivers/net/phy/davicom.c +++ b/drivers/net/phy/davicom.c @@ -60,10 +60,13 @@ static int dm9161_parse_status(struct phy_device *phydev) static int dm9161_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - dm9161_parse_status(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return dm9161_parse_status(phydev); } static struct phy_driver DM9161_driver = { diff --git a/drivers/net/phy/et1011c.c b/drivers/net/phy/et1011c.c index 70c15e2f20..2fe01327fa 100644 --- a/drivers/net/phy/et1011c.c +++ b/drivers/net/phy/et1011c.c @@ -79,9 +79,13 @@ static int et1011c_parse_status(struct phy_device *phydev) static int et1011c_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - et1011c_parse_status(phydev); - return 0; + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return et1011c_parse_status(phydev); } static struct phy_driver et1011c_driver = { diff --git a/drivers/net/phy/lxt.c b/drivers/net/phy/lxt.c index 91838ce5ea..9abc2a84f9 100644 --- a/drivers/net/phy/lxt.c +++ b/drivers/net/phy/lxt.c @@ -49,10 +49,13 @@ static int lxt971_parse_status(struct phy_device *phydev) static int lxt971_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - lxt971_parse_status(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return lxt971_parse_status(phydev); } static struct phy_driver LXT971_driver = { diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index d24451be0a..64713fbaeb 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -162,10 +162,13 @@ static int m88e1xxx_parse_status(struct phy_device *phydev) static int m88e1011s_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - m88e1xxx_parse_status(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return m88e1xxx_parse_status(phydev); } /* Marvell 88E1111S */ @@ -358,13 +361,16 @@ static int m88e1118_config(struct phy_device *phydev) static int m88e1118_startup(struct phy_device *phydev) { + int ret; + /* Change Page Number */ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000); - genphy_update_link(phydev); - m88e1xxx_parse_status(phydev); + ret = genphy_update_link(phydev); + if (ret) + return ret; - return 0; + return m88e1xxx_parse_status(phydev); } /* Marvell 88E1121R */ @@ -421,12 +427,15 @@ static int m88e1145_config(struct phy_device *phydev) static int m88e1145_startup(struct phy_device *phydev) { - genphy_update_link(phydev); + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_LED_CONTROL, MIIM_88E1145_PHY_LED_DIRECT); - m88e1xxx_parse_status(phydev); - - return 0; + return m88e1xxx_parse_status(phydev); } /* Marvell 88E1149S */ diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 8fcf737cb8..b08788a2b0 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -181,7 +181,12 @@ static struct phy_driver KS8721_driver = { static int ksz90xx_startup(struct phy_device *phydev) { unsigned phy_ctl; - genphy_update_link(phydev); + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ90xx_PHY_CTL); if (phy_ctl & MIIM_KSZ90xx_PHYCTL_DUPLEX) diff --git a/drivers/net/phy/natsemi.c b/drivers/net/phy/natsemi.c index d2e4c3c487..1592e9b7b9 100644 --- a/drivers/net/phy/natsemi.c +++ b/drivers/net/phy/natsemi.c @@ -93,10 +93,13 @@ static int dp83865_parse_status(struct phy_device *phydev) static int dp83865_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - dp83865_parse_status(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return dp83865_parse_status(phydev); } @@ -134,10 +137,13 @@ static int dp83848_parse_status(struct phy_device *phydev) static int dp83848_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - dp83848_parse_status(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return dp83848_parse_status(phydev); } static struct phy_driver DP83848_driver = { diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 68e752e093..98986bb6f1 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -431,10 +431,13 @@ int genphy_config(struct phy_device *phydev) int genphy_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - genphy_parse_link(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return genphy_parse_link(phydev); } int genphy_shutdown(struct phy_device *phydev) diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 9d7f55bdae..7a99cb0234 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -208,28 +208,38 @@ static int rtl8211f_parse_status(struct phy_device *phydev) static int rtl8211x_startup(struct phy_device *phydev) { + int ret; + /* Read the Status (2x to make sure link is right) */ - genphy_update_link(phydev); - rtl8211x_parse_status(phydev); + ret = genphy_update_link(phydev); + if (ret) + return ret; - return 0; + return rtl8211x_parse_status(phydev); } static int rtl8211e_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - genphy_parse_link(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return genphy_parse_link(phydev); } static int rtl8211f_startup(struct phy_device *phydev) { + int ret; + + /* Read the Status (2x to make sure link is right) */ + ret = genphy_update_link(phydev); + if (ret) + return ret; /* Read the Status (2x to make sure link is right) */ - genphy_update_link(phydev); - rtl8211f_parse_status(phydev); - return 0; + return rtl8211f_parse_status(phydev); } /* Support for RTL8211B PHY */ diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index 34986a29fc..313fcdfdc5 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -34,9 +34,13 @@ static int smsc_parse_status(struct phy_device *phydev) static int smsc_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - smsc_parse_status(phydev); - return 0; + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return smsc_parse_status(phydev); } static struct phy_driver lan8700_driver = { diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index 941d0760b5..2635b821e9 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -112,10 +112,12 @@ static int vitesse_parse_status(struct phy_device *phydev) static int vitesse_startup(struct phy_device *phydev) { - genphy_update_link(phydev); - vitesse_parse_status(phydev); + int ret; - return 0; + ret = genphy_update_link(phydev); + if (ret) + return ret; + return vitesse_parse_status(phydev); } static int cis8204_config(struct phy_device *phydev) -- 2.39.5