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path: root/drivers/usb/chipidea
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Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/Kconfig1
-rw-r--r--drivers/usb/chipidea/ci.h10
-rw-r--r--drivers/usb/chipidea/ci_hdrc_tegra.c9
-rw-r--r--drivers/usb/chipidea/core.c4
-rw-r--r--drivers/usb/chipidea/host.h2
5 files changed, 15 insertions, 11 deletions
diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
index ae850b3fddf2..d53db520e209 100644
--- a/drivers/usb/chipidea/Kconfig
+++ b/drivers/usb/chipidea/Kconfig
@@ -7,6 +7,7 @@ config USB_CHIPIDEA
select RESET_CONTROLLER
select USB_ULPI_BUS
select USB_ROLE_SWITCH
+ select USB_TEGRA_PHY if ARCH_TEGRA
help
Say Y here if your system has a dual role high speed USB
controller based on ChipIdea silicon IP. It supports:
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index 6911aef500e9..d49d5e1235d0 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -302,6 +302,16 @@ static inline enum usb_role ci_role_to_usb_role(struct ci_hdrc *ci)
return USB_ROLE_NONE;
}
+static inline enum ci_role usb_role_to_ci_role(enum usb_role role)
+{
+ if (role == USB_ROLE_HOST)
+ return CI_ROLE_HOST;
+ else if (role == USB_ROLE_DEVICE)
+ return CI_ROLE_GADGET;
+ else
+ return CI_ROLE_END;
+}
+
/**
* hw_read_id_reg: reads from a identification register
* @ci: the controller
diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c
index 0c9911d44ee5..7455df0ede49 100644
--- a/drivers/usb/chipidea/ci_hdrc_tegra.c
+++ b/drivers/usb/chipidea/ci_hdrc_tegra.c
@@ -83,13 +83,6 @@ static int tegra_udc_probe(struct platform_device *pdev)
return err;
}
- /*
- * Tegra's USB PHY driver doesn't implement optional phy_init()
- * hook, so we have to power on UDC controller before ChipIdea
- * driver initialization kicks in.
- */
- usb_phy_set_suspend(udc->phy, 0);
-
/* setup and register ChipIdea HDRC device */
udc->data.name = "tegra-udc";
udc->data.flags = soc->flags;
@@ -109,7 +102,6 @@ static int tegra_udc_probe(struct platform_device *pdev)
return 0;
fail_power_off:
- usb_phy_set_suspend(udc->phy, 1);
clk_disable_unprepare(udc->clk);
return err;
}
@@ -119,7 +111,6 @@ static int tegra_udc_remove(struct platform_device *pdev)
struct tegra_udc *udc = platform_get_drvdata(pdev);
ci_hdrc_remove_device(udc->dev);
- usb_phy_set_suspend(udc->phy, 1);
clk_disable_unprepare(udc->clk);
return 0;
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index dce5db41501c..52139c2a9924 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -618,9 +618,11 @@ static int ci_usb_role_switch_set(struct device *dev, enum usb_role role)
struct ci_hdrc *ci = dev_get_drvdata(dev);
struct ci_hdrc_cable *cable = NULL;
enum usb_role current_role = ci_role_to_usb_role(ci);
+ enum ci_role ci_role = usb_role_to_ci_role(role);
unsigned long flags;
- if (current_role == role)
+ if ((ci_role != CI_ROLE_END && !ci->roles[ci_role]) ||
+ (current_role == role))
return 0;
pm_runtime_get_sync(ci->dev);
diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h
index 70112cf0f195..2625aa01a911 100644
--- a/drivers/usb/chipidea/host.h
+++ b/drivers/usb/chipidea/host.h
@@ -20,7 +20,7 @@ static inline void ci_hdrc_host_destroy(struct ci_hdrc *ci)
}
-static void ci_hdrc_host_driver_init(void)
+static inline void ci_hdrc_host_driver_init(void)
{
}