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phy: bcm-ns-usb3: always wait for idle after writing to the PHY reg

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Move MDIO specific code to the writing helper function. This makes init
code a bit more generic and doesn't require it to track what happens
after every write.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Rafał Miłecki 2017-06-08 22:04:24 +02:00 committed by Kishon Vijay Abraham I
parent 80886f7c69
commit 412512c4f9
1 changed files with 1 additions and 10 deletions
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11
drivers/phy/broadcom/phy-bcm-ns-usb3.c
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@ -112,7 +112,7 @@ static int bcm_ns_usb3_mdio_phy_write(struct bcm_ns_usb3 *usb3, u16 reg,
tmp |= value; tmp |= value;
writel(tmp, usb3->ccb_mii + BCMA_CCB_MII_MNG_CMD_DATA); writel(tmp, usb3->ccb_mii + BCMA_CCB_MII_MNG_CMD_DATA);
return 0; return bcm_ns_usb3_mii_mng_wait_idle(usb3);
} }
static int bcm_ns_usb3_phy_init_ns_bx(struct bcm_ns_usb3 *usb3) static int bcm_ns_usb3_phy_init_ns_bx(struct bcm_ns_usb3 *usb3)
@ -143,9 +143,6 @@ static int bcm_ns_usb3_phy_init_ns_bx(struct bcm_ns_usb3 *usb3)
/* Deaaserting PLL Reset */ /* Deaaserting PLL Reset */
bcm_ns_usb3_mdio_phy_write(usb3, BCM_NS_USB3_PLLA_CONTROL1, 0x8000); bcm_ns_usb3_mdio_phy_write(usb3, BCM_NS_USB3_PLLA_CONTROL1, 0x8000);
/* Waiting MII Mgt interface idle */
bcm_ns_usb3_mii_mng_wait_idle(usb3);
/* Deasserting USB3 system reset */ /* Deasserting USB3 system reset */
writel(0, usb3->dmp + BCMA_RESET_CTL); writel(0, usb3->dmp + BCMA_RESET_CTL);
@ -169,9 +166,6 @@ static int bcm_ns_usb3_phy_init_ns_bx(struct bcm_ns_usb3 *usb3)
/* Enabling SSC */ /* Enabling SSC */
bcm_ns_usb3_mdio_phy_write(usb3, BCM_NS_USB3_TX_PMD_CONTROL1, 0x1003); bcm_ns_usb3_mdio_phy_write(usb3, BCM_NS_USB3_TX_PMD_CONTROL1, 0x1003);
/* Waiting MII Mgt interface idle */
bcm_ns_usb3_mii_mng_wait_idle(usb3);
return 0; return 0;
} }
@ -205,9 +199,6 @@ static int bcm_ns_usb3_phy_init_ns_ax(struct bcm_ns_usb3 *usb3)
bcm_ns_usb3_mdio_phy_write(usb3, BCM_NS_USB3_TX_PMD_CONTROL1, 0x1003); bcm_ns_usb3_mdio_phy_write(usb3, BCM_NS_USB3_TX_PMD_CONTROL1, 0x1003);
/* Waiting MII Mgt interface idle */
bcm_ns_usb3_mii_mng_wait_idle(usb3);
/* Deasserting USB3 system reset */ /* Deasserting USB3 system reset */
writel(0, usb3->dmp + BCMA_RESET_CTL); writel(0, usb3->dmp + BCMA_RESET_CTL);