net: phy: broadcom: remove use of ack_interrupt()
authorIoana Ciornei <ioana.ciornei@nxp.com>
Sun, 1 Nov 2020 12:51:07 +0000 (14:51 +0200)
committerJakub Kicinski <kuba@kernel.org>
Fri, 6 Nov 2020 00:32:39 +0000 (16:32 -0800)
In preparation of removing the .ack_interrupt() callback, we must replace
its occurrences (aka phy_clear_interrupt), from the 2 places where it is
called from (phy_enable_interrupts and phy_disable_interrupts), with
equivalent functionality.

This means that clearing interrupts now becomes something that the PHY
driver is responsible of doing, before enabling interrupts and after
clearing them. Make this driver follow the new contract.

Cc: Michael Walle <michael@walle.cc>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/phy/bcm-cygnus.c
drivers/net/phy/bcm-phy-lib.c
drivers/net/phy/bcm54140.c
drivers/net/phy/bcm63xx.c
drivers/net/phy/bcm87xx.c
drivers/net/phy/broadcom.c

index a236e0b8d04dad8b93291779e1741cb42b3a18a8..da8f7cb41b44555f91415946adb9b3b49a058058 100644 (file)
@@ -256,7 +256,6 @@ static struct phy_driver bcm_cygnus_phy_driver[] = {
        .name          = "Broadcom Cygnus PHY",
        /* PHY_GBIT_FEATURES */
        .config_init   = bcm_cygnus_config_init,
-       .ack_interrupt = bcm_phy_ack_intr,
        .config_intr   = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
        .suspend       = genphy_suspend,
index c232fcfe0e20b378c3c040df0c2a361f143b0746..53282a6d5928f1f426f5a1e592f72a2e8d1e536f 100644 (file)
@@ -181,18 +181,28 @@ EXPORT_SYMBOL_GPL(bcm_phy_ack_intr);
 
 int bcm_phy_config_intr(struct phy_device *phydev)
 {
-       int reg;
+       int reg, err;
 
        reg = phy_read(phydev, MII_BCM54XX_ECR);
        if (reg < 0)
                return reg;
 
-       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+       if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+               err = bcm_phy_ack_intr(phydev);
+               if (err)
+                       return err;
+
                reg &= ~MII_BCM54XX_ECR_IM;
-       else
+               err = phy_write(phydev, MII_BCM54XX_ECR, reg);
+       } else {
                reg |= MII_BCM54XX_ECR_IM;
+               err = phy_write(phydev, MII_BCM54XX_ECR, reg);
+               if (err)
+                       return err;
 
-       return phy_write(phydev, MII_BCM54XX_ECR, reg);
+               err = bcm_phy_ack_intr(phydev);
+       }
+       return err;
 }
 EXPORT_SYMBOL_GPL(bcm_phy_config_intr);
 
index 36c899a88c5d803cfcf55c05a02c6324f9ae1e52..d8f3024860dc6c3603f3b7e4fd81ba777e09ddf3 100644 (file)
@@ -681,7 +681,7 @@ static int bcm54140_config_intr(struct phy_device *phydev)
                BCM54140_RDB_TOP_IMR_PORT0, BCM54140_RDB_TOP_IMR_PORT1,
                BCM54140_RDB_TOP_IMR_PORT2, BCM54140_RDB_TOP_IMR_PORT3,
        };
-       int reg;
+       int reg, err;
 
        if (priv->port >= ARRAY_SIZE(port_to_imr_bit))
                return -EINVAL;
@@ -690,12 +690,23 @@ static int bcm54140_config_intr(struct phy_device *phydev)
        if (reg < 0)
                return reg;
 
-       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+       if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+               err = bcm54140_ack_intr(phydev);
+               if (err)
+                       return err;
+
                reg &= ~port_to_imr_bit[priv->port];
-       else
+               err = bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg);
+       } else {
                reg |= port_to_imr_bit[priv->port];
+               err = bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg);
+               if (err)
+                       return err;
+
+               err = bcm54140_ack_intr(phydev);
+       }
 
-       return bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg);
+       return err;
 }
 
 static int bcm54140_get_downshift(struct phy_device *phydev, u8 *data)
@@ -850,7 +861,6 @@ static struct phy_driver bcm54140_drivers[] = {
                .flags          = PHY_POLL_CABLE_TEST,
                .features       = PHY_GBIT_FEATURES,
                .config_init    = bcm54140_config_init,
-               .ack_interrupt  = bcm54140_ack_intr,
                .handle_interrupt = bcm54140_handle_interrupt,
                .config_intr    = bcm54140_config_intr,
                .probe          = bcm54140_probe,
index 818c853b6638983a7d0aa0dd16d9eb64ca23758b..0eb33be824f1b822faf5b9eb9d382cdfec6ee3a2 100644 (file)
@@ -25,12 +25,22 @@ static int bcm63xx_config_intr(struct phy_device *phydev)
        if (reg < 0)
                return reg;
 
-       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+       if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+               err = bcm_phy_ack_intr(phydev);
+               if (err)
+                       return err;
+
                reg &= ~MII_BCM63XX_IR_GMASK;
-       else
+               err = phy_write(phydev, MII_BCM63XX_IR, reg);
+       } else {
                reg |= MII_BCM63XX_IR_GMASK;
+               err = phy_write(phydev, MII_BCM63XX_IR, reg);
+               if (err)
+                       return err;
+
+               err = bcm_phy_ack_intr(phydev);
+       }
 
-       err = phy_write(phydev, MII_BCM63XX_IR, reg);
        return err;
 }
 
@@ -67,7 +77,6 @@ static struct phy_driver bcm63xx_driver[] = {
        /* PHY_BASIC_FEATURES */
        .flags          = PHY_IS_INTERNAL,
        .config_init    = bcm63xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm63xx_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -78,7 +87,6 @@ static struct phy_driver bcm63xx_driver[] = {
        /* PHY_BASIC_FEATURES */
        .flags          = PHY_IS_INTERNAL,
        .config_init    = bcm63xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm63xx_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 } };
index f20cfb05ef04e75bef949b1c4f8f10fba21303a0..4ac8fd190e9d6420425e0d79038714a882233cef 100644 (file)
@@ -144,12 +144,22 @@ static int bcm87xx_config_intr(struct phy_device *phydev)
        if (reg < 0)
                return reg;
 
-       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+       if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+               err = phy_read(phydev, BCM87XX_LASI_STATUS);
+               if (err)
+                       return err;
+
                reg |= 1;
-       else
+               err = phy_write(phydev, BCM87XX_LASI_CONTROL, reg);
+       } else {
                reg &= ~1;
+               err = phy_write(phydev, BCM87XX_LASI_CONTROL, reg);
+               if (err)
+                       return err;
+
+               err = phy_read(phydev, BCM87XX_LASI_STATUS);
+       }
 
-       err = phy_write(phydev, BCM87XX_LASI_CONTROL, reg);
        return err;
 }
 
@@ -171,22 +181,6 @@ static irqreturn_t bcm87xx_handle_interrupt(struct phy_device *phydev)
        return IRQ_HANDLED;
 }
 
-static int bcm87xx_ack_interrupt(struct phy_device *phydev)
-{
-       int reg;
-
-       /* Reading the LASI status clears it. */
-       reg = phy_read(phydev, BCM87XX_LASI_STATUS);
-
-       if (reg < 0) {
-               phydev_err(phydev,
-                          "Error: Read of BCM87XX_LASI_STATUS failed: %d\n",
-                          reg);
-               return 0;
-       }
-       return (reg & 1) != 0;
-}
-
 static int bcm8706_match_phy_device(struct phy_device *phydev)
 {
        return phydev->c45_ids.device_ids[4] == PHY_ID_BCM8706;
@@ -206,7 +200,6 @@ static struct phy_driver bcm87xx_driver[] = {
        .config_init    = bcm87xx_config_init,
        .config_aneg    = bcm87xx_config_aneg,
        .read_status    = bcm87xx_read_status,
-       .ack_interrupt  = bcm87xx_ack_interrupt,
        .config_intr    = bcm87xx_config_intr,
        .handle_interrupt = bcm87xx_handle_interrupt,
        .match_phy_device = bcm8706_match_phy_device,
@@ -218,7 +211,6 @@ static struct phy_driver bcm87xx_driver[] = {
        .config_init    = bcm87xx_config_init,
        .config_aneg    = bcm87xx_config_aneg,
        .read_status    = bcm87xx_read_status,
-       .ack_interrupt  = bcm87xx_ack_interrupt,
        .config_intr    = bcm87xx_config_intr,
        .handle_interrupt = bcm87xx_handle_interrupt,
        .match_phy_device = bcm8727_match_phy_device,
index 8bcdb94ef2fc81a6bac92e681e047537ca3e0848..8a4ec3222168c3fc5d5f0612dbfcc336d7a9a937 100644 (file)
@@ -634,12 +634,22 @@ static int brcm_fet_config_intr(struct phy_device *phydev)
        if (reg < 0)
                return reg;
 
-       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+       if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+               err = brcm_fet_ack_interrupt(phydev);
+               if (err)
+                       return err;
+
                reg &= ~MII_BRCM_FET_IR_MASK;
-       else
+               err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
+       } else {
                reg |= MII_BRCM_FET_IR_MASK;
+               err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
+               if (err)
+                       return err;
+
+               err = brcm_fet_ack_interrupt(phydev);
+       }
 
-       err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
        return err;
 }
 
@@ -699,7 +709,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM5411",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -708,7 +717,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM5421",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -717,7 +725,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM54210E",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -726,7 +733,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM5461",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -735,7 +741,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM54612E",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -745,7 +750,6 @@ static struct phy_driver broadcom_drivers[] = {
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
        .config_aneg    = bcm54616s_config_aneg,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
        .read_status    = bcm54616s_read_status,
@@ -756,7 +760,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM5464",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
        .suspend        = genphy_suspend,
@@ -768,7 +771,6 @@ static struct phy_driver broadcom_drivers[] = {
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
        .config_aneg    = bcm5481_config_aneg,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -778,7 +780,6 @@ static struct phy_driver broadcom_drivers[] = {
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
        .config_aneg    = bcm5481_config_aneg,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
        .suspend        = genphy_suspend,
@@ -790,7 +791,6 @@ static struct phy_driver broadcom_drivers[] = {
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54811_config_init,
        .config_aneg    = bcm5481_config_aneg,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
        .suspend        = genphy_suspend,
@@ -802,7 +802,6 @@ static struct phy_driver broadcom_drivers[] = {
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm5482_config_init,
        .read_status    = bcm5482_read_status,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -811,7 +810,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM50610",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -820,7 +818,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM50610M",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -829,7 +826,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM57780",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -838,7 +834,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCMAC131",
        /* PHY_BASIC_FEATURES */
        .config_init    = brcm_fet_config_init,
-       .ack_interrupt  = brcm_fet_ack_interrupt,
        .config_intr    = brcm_fet_config_intr,
        .handle_interrupt = brcm_fet_handle_interrupt,
 }, {
@@ -847,7 +842,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM5241",
        /* PHY_BASIC_FEATURES */
        .config_init    = brcm_fet_config_init,
-       .ack_interrupt  = brcm_fet_ack_interrupt,
        .config_intr    = brcm_fet_config_intr,
        .handle_interrupt = brcm_fet_handle_interrupt,
 }, {
@@ -871,7 +865,6 @@ static struct phy_driver broadcom_drivers[] = {
        .get_stats      = bcm53xx_phy_get_stats,
        .probe          = bcm53xx_phy_probe,
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 }, {
@@ -880,7 +873,6 @@ static struct phy_driver broadcom_drivers[] = {
        .name           = "Broadcom BCM89610",
        /* PHY_GBIT_FEATURES */
        .config_init    = bcm54xx_config_init,
-       .ack_interrupt  = bcm_phy_ack_intr,
        .config_intr    = bcm_phy_config_intr,
        .handle_interrupt = bcm_phy_handle_interrupt,
 } };