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-rw-r--r--drivers/phy/marvell/phy-mvebu-a3700-comphy.c14
-rw-r--r--drivers/phy/marvell/phy-mvebu-cp110-comphy.c14
-rw-r--r--drivers/phy/marvell/phy-pxa-28nm-hsic.c40
-rw-r--r--drivers/phy/marvell/phy-pxa-28nm-usb2.c33
4 files changed, 57 insertions, 44 deletions
diff --git a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
index 1a138be8bd6a..810f25a47632 100644
--- a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
+++ b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
@@ -26,7 +26,6 @@
#define COMPHY_SIP_POWER_ON 0x82000001
#define COMPHY_SIP_POWER_OFF 0x82000002
#define COMPHY_SIP_PLL_LOCK 0x82000003
-#define COMPHY_FW_NOT_SUPPORTED (-1)
#define COMPHY_FW_MODE_SATA 0x1
#define COMPHY_FW_MODE_SGMII 0x2
@@ -112,10 +111,19 @@ static int mvebu_a3700_comphy_smc(unsigned long function, unsigned long lane,
unsigned long mode)
{
struct arm_smccc_res res;
+ s32 ret;
arm_smccc_smc(function, lane, mode, 0, 0, 0, 0, 0, &res);
+ ret = res.a0;
- return res.a0;
+ switch (ret) {
+ case SMCCC_RET_SUCCESS:
+ return 0;
+ case SMCCC_RET_NOT_SUPPORTED:
+ return -EOPNOTSUPP;
+ default:
+ return -EINVAL;
+ }
}
static int mvebu_a3700_comphy_get_fw_mode(int lane, int port,
@@ -220,7 +228,7 @@ static int mvebu_a3700_comphy_power_on(struct phy *phy)
}
ret = mvebu_a3700_comphy_smc(COMPHY_SIP_POWER_ON, lane->id, fw_param);
- if (ret == COMPHY_FW_NOT_SUPPORTED)
+ if (ret == -EOPNOTSUPP)
dev_err(lane->dev,
"unsupported SMC call, try updating your firmware\n");
diff --git a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
index e41367f36ee1..53ad127b100f 100644
--- a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
+++ b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
@@ -123,7 +123,6 @@
#define COMPHY_SIP_POWER_ON 0x82000001
#define COMPHY_SIP_POWER_OFF 0x82000002
-#define COMPHY_FW_NOT_SUPPORTED (-1)
/*
* A lane is described by the following bitfields:
@@ -273,10 +272,19 @@ static int mvebu_comphy_smc(unsigned long function, unsigned long phys,
unsigned long lane, unsigned long mode)
{
struct arm_smccc_res res;
+ s32 ret;
arm_smccc_smc(function, phys, lane, mode, 0, 0, 0, 0, &res);
+ ret = res.a0;
- return res.a0;
+ switch (ret) {
+ case SMCCC_RET_SUCCESS:
+ return 0;
+ case SMCCC_RET_NOT_SUPPORTED:
+ return -EOPNOTSUPP;
+ default:
+ return -EINVAL;
+ }
}
static int mvebu_comphy_get_mode(bool fw_mode, int lane, int port,
@@ -819,7 +827,7 @@ static int mvebu_comphy_power_on(struct phy *phy)
if (!ret)
return ret;
- if (ret == COMPHY_FW_NOT_SUPPORTED)
+ if (ret == -EOPNOTSUPP)
dev_err(priv->dev,
"unsupported SMC call, try updating your firmware\n");
diff --git a/drivers/phy/marvell/phy-pxa-28nm-hsic.c b/drivers/phy/marvell/phy-pxa-28nm-hsic.c
index ae8370af59c0..31b43d2ee39a 100644
--- a/drivers/phy/marvell/phy-pxa-28nm-hsic.c
+++ b/drivers/phy/marvell/phy-pxa-28nm-hsic.c
@@ -12,6 +12,7 @@
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/io.h>
+#include <linux/iopoll.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/module.h>
@@ -44,15 +45,12 @@ struct mv_hsic_phy {
struct clk *clk;
};
-static bool wait_for_reg(void __iomem *reg, u32 mask, unsigned long timeout)
+static int wait_for_reg(void __iomem *reg, u32 mask, u32 ms)
{
- timeout += jiffies;
- while (time_is_after_eq_jiffies(timeout)) {
- if ((readl(reg) & mask) == mask)
- return true;
- msleep(1);
- }
- return false;
+ u32 val;
+
+ return readl_poll_timeout(reg, val, ((val & mask) == mask),
+ 1000, 1000 * ms);
}
static int mv_hsic_phy_init(struct phy *phy)
@@ -60,6 +58,7 @@ static int mv_hsic_phy_init(struct phy *phy)
struct mv_hsic_phy *mv_phy = phy_get_drvdata(phy);
struct platform_device *pdev = mv_phy->pdev;
void __iomem *base = mv_phy->base;
+ int ret;
clk_prepare_enable(mv_phy->clk);
@@ -75,14 +74,14 @@ static int mv_hsic_phy_init(struct phy *phy)
base + PHY_28NM_HSIC_PLL_CTRL2);
/* Make sure PHY PLL is locked */
- if (!wait_for_reg(base + PHY_28NM_HSIC_PLL_CTRL2,
- PHY_28NM_HSIC_H2S_PLL_LOCK, HZ / 10)) {
+ ret = wait_for_reg(base + PHY_28NM_HSIC_PLL_CTRL2,
+ PHY_28NM_HSIC_H2S_PLL_LOCK, 100);
+ if (ret) {
dev_err(&pdev->dev, "HSIC PHY PLL not locked after 100mS.");
clk_disable_unprepare(mv_phy->clk);
- return -ETIMEDOUT;
}
- return 0;
+ return ret;
}
static int mv_hsic_phy_power_on(struct phy *phy)
@@ -91,6 +90,7 @@ static int mv_hsic_phy_power_on(struct phy *phy)
struct platform_device *pdev = mv_phy->pdev;
void __iomem *base = mv_phy->base;
u32 reg;
+ int ret;
reg = readl(base + PHY_28NM_HSIC_CTRL);
/* Avoid SE0 state when resume for some device will take it as reset */
@@ -108,20 +108,20 @@ static int mv_hsic_phy_power_on(struct phy *phy)
*/
/* Make sure PHY Calibration is ready */
- if (!wait_for_reg(base + PHY_28NM_HSIC_IMPCAL_CAL,
- PHY_28NM_HSIC_H2S_IMPCAL_DONE, HZ / 10)) {
+ ret = wait_for_reg(base + PHY_28NM_HSIC_IMPCAL_CAL,
+ PHY_28NM_HSIC_H2S_IMPCAL_DONE, 100);
+ if (ret) {
dev_warn(&pdev->dev, "HSIC PHY READY not set after 100mS.");
- return -ETIMEDOUT;
+ return ret;
}
/* Waiting for HSIC connect int*/
- if (!wait_for_reg(base + PHY_28NM_HSIC_INT,
- PHY_28NM_HSIC_CONNECT_INT, HZ / 5)) {
+ ret = wait_for_reg(base + PHY_28NM_HSIC_INT,
+ PHY_28NM_HSIC_CONNECT_INT, 200);
+ if (ret)
dev_warn(&pdev->dev, "HSIC wait for connect interrupt timeout.");
- return -ETIMEDOUT;
- }
- return 0;
+ return ret;
}
static int mv_hsic_phy_power_off(struct phy *phy)
diff --git a/drivers/phy/marvell/phy-pxa-28nm-usb2.c b/drivers/phy/marvell/phy-pxa-28nm-usb2.c
index 9fd881787fa6..a175ae915f02 100644
--- a/drivers/phy/marvell/phy-pxa-28nm-usb2.c
+++ b/drivers/phy/marvell/phy-pxa-28nm-usb2.c
@@ -13,6 +13,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/io.h>
+#include <linux/iopoll.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/module.h>
@@ -138,15 +139,12 @@ struct mv_usb2_phy {
struct clk *clk;
};
-static bool wait_for_reg(void __iomem *reg, u32 mask, unsigned long timeout)
+static int wait_for_reg(void __iomem *reg, u32 mask, u32 ms)
{
- timeout += jiffies;
- while (time_is_after_eq_jiffies(timeout)) {
- if ((readl(reg) & mask) == mask)
- return true;
- msleep(1);
- }
- return false;
+ u32 val;
+
+ return readl_poll_timeout(reg, val, ((val & mask) == mask),
+ 1000, 1000 * ms);
}
static int mv_usb2_phy_28nm_init(struct phy *phy)
@@ -208,24 +206,23 @@ static int mv_usb2_phy_28nm_init(struct phy *phy)
*/
/* Make sure PHY Calibration is ready */
- if (!wait_for_reg(base + PHY_28NM_CAL_REG,
- PHY_28NM_PLL_PLLCAL_DONE | PHY_28NM_PLL_IMPCAL_DONE,
- HZ / 10)) {
+ ret = wait_for_reg(base + PHY_28NM_CAL_REG,
+ PHY_28NM_PLL_PLLCAL_DONE | PHY_28NM_PLL_IMPCAL_DONE,
+ 100);
+ if (ret) {
dev_warn(&pdev->dev, "USB PHY PLL calibrate not done after 100mS.");
- ret = -ETIMEDOUT;
goto err_clk;
}
- if (!wait_for_reg(base + PHY_28NM_RX_REG1,
- PHY_28NM_RX_SQCAL_DONE, HZ / 10)) {
+ ret = wait_for_reg(base + PHY_28NM_RX_REG1,
+ PHY_28NM_RX_SQCAL_DONE, 100);
+ if (ret) {
dev_warn(&pdev->dev, "USB PHY RX SQ calibrate not done after 100mS.");
- ret = -ETIMEDOUT;
goto err_clk;
}
/* Make sure PHY PLL is ready */
- if (!wait_for_reg(base + PHY_28NM_PLL_REG0,
- PHY_28NM_PLL_READY, HZ / 10)) {
+ ret = wait_for_reg(base + PHY_28NM_PLL_REG0, PHY_28NM_PLL_READY, 100);
+ if (ret) {
dev_warn(&pdev->dev, "PLL_READY not set after 100mS.");
- ret = -ETIMEDOUT;
goto err_clk;
}