Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/phy/motorola/Kconfig b/drivers/phy/motorola/Kconfig
index 8265152..4b5e605 100644
--- a/drivers/phy/motorola/Kconfig
+++ b/drivers/phy/motorola/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Phy drivers for Motorola devices
#
@@ -13,7 +14,7 @@
config PHY_MAPPHONE_MDM6600
tristate "Motorola Mapphone MDM6600 modem USB PHY driver"
- depends on OF && USB_SUPPORT
+ depends on OF && USB_SUPPORT && GPIOLIB
select GENERIC_PHY
help
Enable this for MDM6600 USB modem to work on Motorola phones
diff --git a/drivers/phy/motorola/Makefile b/drivers/phy/motorola/Makefile
index 3514f98..7c791cb 100644
--- a/drivers/phy/motorola/Makefile
+++ b/drivers/phy/motorola/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for the phy drivers.
#
diff --git a/drivers/phy/motorola/phy-cpcap-usb.c b/drivers/phy/motorola/phy-cpcap-usb.c
index 6601ad0..ead06c6 100644
--- a/drivers/phy/motorola/phy-cpcap-usb.c
+++ b/drivers/phy/motorola/phy-cpcap-usb.c
@@ -231,8 +231,9 @@
goto out_err;
error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3,
- CPCAP_BIT_VBUSSTBY_EN,
- CPCAP_BIT_VBUSSTBY_EN);
+ CPCAP_BIT_VBUSSTBY_EN |
+ CPCAP_BIT_VBUSEN_SPI,
+ CPCAP_BIT_VBUSEN_SPI);
if (error)
goto out_err;
@@ -240,7 +241,8 @@
}
error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3,
- CPCAP_BIT_VBUSSTBY_EN, 0);
+ CPCAP_BIT_VBUSSTBY_EN |
+ CPCAP_BIT_VBUSEN_SPI, 0);
if (error)
goto out_err;
diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 0075fb0..ee184d5 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -16,6 +16,7 @@
#include <linux/gpio/consumer.h>
#include <linux/of_platform.h>
#include <linux/phy/phy.h>
+#include <linux/pinctrl/consumer.h>
#define PHY_MDM6600_PHY_DELAY_MS 4000 /* PHY enable 2.2s to 3.5s */
#define PHY_MDM6600_ENABLED_DELAY_MS 8000 /* 8s more total for MDM6600 */
@@ -120,12 +121,22 @@
{
struct phy_mdm6600 *ddata = phy_get_drvdata(x);
struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE];
+ int error;
if (!ddata->enabled)
return -ENODEV;
+ error = pinctrl_pm_select_default_state(ddata->dev);
+ if (error)
+ dev_warn(ddata->dev, "%s: error with default_state: %i\n",
+ __func__, error);
+
gpiod_set_value_cansleep(enable_gpio, 1);
+ /* Allow aggressive PM for USB, it's only needed for n_gsm port */
+ if (pm_runtime_enabled(&x->dev))
+ phy_pm_runtime_put(x);
+
return 0;
}
@@ -133,12 +144,26 @@
{
struct phy_mdm6600 *ddata = phy_get_drvdata(x);
struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE];
+ int error;
if (!ddata->enabled)
return -ENODEV;
+ /* Paired with phy_pm_runtime_put() in phy_mdm6600_power_on() */
+ if (pm_runtime_enabled(&x->dev)) {
+ error = phy_pm_runtime_get(x);
+ if (error < 0 && error != -EINPROGRESS)
+ dev_warn(ddata->dev, "%s: phy_pm_runtime_get: %i\n",
+ __func__, error);
+ }
+
gpiod_set_value_cansleep(enable_gpio, 0);
+ error = pinctrl_pm_select_sleep_state(ddata->dev);
+ if (error)
+ dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
+ __func__, error);
+
return 0;
}
@@ -157,15 +182,13 @@
*/
static void phy_mdm6600_cmd(struct phy_mdm6600 *ddata, int val)
{
- int values[PHY_MDM6600_NR_CMD_LINES];
- int i;
+ DECLARE_BITMAP(values, PHY_MDM6600_NR_CMD_LINES);
- val &= (1 << PHY_MDM6600_NR_CMD_LINES) - 1;
- for (i = 0; i < PHY_MDM6600_NR_CMD_LINES; i++)
- values[i] = (val & BIT(i)) >> i;
+ values[0] = val;
gpiod_set_array_value_cansleep(PHY_MDM6600_NR_CMD_LINES,
- ddata->cmd_gpios->desc, values);
+ ddata->cmd_gpios->desc,
+ ddata->cmd_gpios->info, values);
}
/**
@@ -176,7 +199,7 @@
{
struct phy_mdm6600 *ddata;
struct device *dev;
- int values[PHY_MDM6600_NR_STATUS_LINES];
+ DECLARE_BITMAP(values, PHY_MDM6600_NR_STATUS_LINES);
int error, i, val = 0;
ddata = container_of(work, struct phy_mdm6600, status_work.work);
@@ -184,16 +207,17 @@
error = gpiod_get_array_value_cansleep(PHY_MDM6600_NR_STATUS_LINES,
ddata->status_gpios->desc,
+ ddata->status_gpios->info,
values);
if (error)
return;
for (i = 0; i < PHY_MDM6600_NR_STATUS_LINES; i++) {
- val |= values[i] << i;
+ val |= test_bit(i, values) << i;
dev_dbg(ddata->dev, "XXX %s: i: %i values[i]: %i val: %i\n",
- __func__, i, values[i], val);
+ __func__, i, test_bit(i, values), val);
}
- ddata->status = val;
+ ddata->status = values[0];
dev_info(dev, "modem status: %i %s\n",
ddata->status,
@@ -530,28 +554,17 @@
ddata->dev = &pdev->dev;
platform_set_drvdata(pdev, ddata);
+ /* Active state selected in phy_mdm6600_power_on() */
+ error = pinctrl_pm_select_sleep_state(ddata->dev);
+ if (error)
+ dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
+ __func__, error);
+
error = phy_mdm6600_init_lines(ddata);
if (error)
return error;
phy_mdm6600_init_irq(ddata);
-
- ddata->generic_phy = devm_phy_create(ddata->dev, NULL, &gpio_usb_ops);
- if (IS_ERR(ddata->generic_phy)) {
- error = PTR_ERR(ddata->generic_phy);
- goto cleanup;
- }
-
- phy_set_drvdata(ddata->generic_phy, ddata);
-
- ddata->phy_provider =
- devm_of_phy_provider_register(ddata->dev,
- of_phy_simple_xlate);
- if (IS_ERR(ddata->phy_provider)) {
- error = PTR_ERR(ddata->phy_provider);
- goto cleanup;
- }
-
schedule_delayed_work(&ddata->bootup_work, 0);
/*
@@ -575,14 +588,31 @@
if (error < 0) {
dev_warn(ddata->dev, "failed to wake modem: %i\n", error);
pm_runtime_put_noidle(ddata->dev);
+ goto cleanup;
}
+
+ ddata->generic_phy = devm_phy_create(ddata->dev, NULL, &gpio_usb_ops);
+ if (IS_ERR(ddata->generic_phy)) {
+ error = PTR_ERR(ddata->generic_phy);
+ goto idle;
+ }
+
+ phy_set_drvdata(ddata->generic_phy, ddata);
+
+ ddata->phy_provider =
+ devm_of_phy_provider_register(ddata->dev,
+ of_phy_simple_xlate);
+ if (IS_ERR(ddata->phy_provider))
+ error = PTR_ERR(ddata->phy_provider);
+
+idle:
pm_runtime_mark_last_busy(ddata->dev);
pm_runtime_put_autosuspend(ddata->dev);
- return 0;
-
cleanup:
- phy_mdm6600_device_power_off(ddata);
+ if (error < 0)
+ phy_mdm6600_device_power_off(ddata);
+
return error;
}