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path: root/drivers/usb/host
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Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/Kconfig2
-rw-r--r--drivers/usb/host/ehci-msm.c2
-rw-r--r--drivers/usb/host/ehci-mv.c54
-rw-r--r--drivers/usb/host/ehci-s5p.c2
-rw-r--r--drivers/usb/host/ehci-tegra.c12
-rw-r--r--drivers/usb/host/ohci-exynos.c2
6 files changed, 26 insertions, 48 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 2f682219e257..f7af0984743b 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -180,6 +180,7 @@ config USB_EHCI_TEGRA
boolean "NVIDIA Tegra HCD support"
depends on USB_EHCI_HCD && ARCH_TEGRA
select USB_EHCI_ROOT_HUB_TT
+ select USB_PHY
help
This driver enables support for the internal USB Host Controllers
found in NVIDIA Tegra SoCs. The controllers are EHCI compliant.
@@ -301,7 +302,6 @@ config USB_OHCI_HCD
tristate "OHCI HCD support"
depends on USB && USB_ARCH_HAS_OHCI
select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3
- select USB_OTG_UTILS if ARCH_OMAP
depends on USB_ISP1301 || !ARCH_LPC32XX
---help---
The Open Host Controller Interface (OHCI) is a standard for accessing
diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c
index 88a49c87e748..ebf410311957 100644
--- a/drivers/usb/host/ehci-msm.c
+++ b/drivers/usb/host/ehci-msm.c
@@ -145,7 +145,7 @@ static int ehci_msm_probe(struct platform_device *pdev)
* management.
*/
phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(phy)) {
+ if (IS_ERR(phy)) {
dev_err(&pdev->dev, "unable to find transceiver\n");
ret = -ENODEV;
goto put_hcd;
diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index 5cd9f96ed92d..402062973f03 100644
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -33,25 +33,17 @@ struct ehci_hcd_mv {
struct mv_usb_platform_data *pdata;
- /* clock source and total clock number */
- unsigned int clknum;
- struct clk *clk[0];
+ struct clk *clk;
};
static void ehci_clock_enable(struct ehci_hcd_mv *ehci_mv)
{
- unsigned int i;
-
- for (i = 0; i < ehci_mv->clknum; i++)
- clk_prepare_enable(ehci_mv->clk[i]);
+ clk_prepare_enable(ehci_mv->clk);
}
static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv)
{
- unsigned int i;
-
- for (i = 0; i < ehci_mv->clknum; i++)
- clk_disable_unprepare(ehci_mv->clk[i]);
+ clk_disable_unprepare(ehci_mv->clk);
}
static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv)
@@ -144,9 +136,8 @@ static int mv_ehci_probe(struct platform_device *pdev)
struct ehci_hcd *ehci;
struct ehci_hcd_mv *ehci_mv;
struct resource *r;
- int clk_i, retval = -ENODEV;
+ int retval = -ENODEV;
u32 offset;
- size_t size;
if (!pdata) {
dev_err(&pdev->dev, "missing platform_data\n");
@@ -160,8 +151,7 @@ static int mv_ehci_probe(struct platform_device *pdev)
if (!hcd)
return -ENOMEM;
- size = sizeof(*ehci_mv) + sizeof(struct clk *) * pdata->clknum;
- ehci_mv = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
+ ehci_mv = devm_kzalloc(&pdev->dev, sizeof(*ehci_mv), GFP_KERNEL);
if (ehci_mv == NULL) {
dev_err(&pdev->dev, "cannot allocate ehci_hcd_mv\n");
retval = -ENOMEM;
@@ -172,16 +162,11 @@ static int mv_ehci_probe(struct platform_device *pdev)
ehci_mv->pdata = pdata;
ehci_mv->hcd = hcd;
- ehci_mv->clknum = pdata->clknum;
- for (clk_i = 0; clk_i < ehci_mv->clknum; clk_i++) {
- ehci_mv->clk[clk_i] =
- devm_clk_get(&pdev->dev, pdata->clkname[clk_i]);
- if (IS_ERR(ehci_mv->clk[clk_i])) {
- dev_err(&pdev->dev, "error get clck \"%s\"\n",
- pdata->clkname[clk_i]);
- retval = PTR_ERR(ehci_mv->clk[clk_i]);
- goto err_clear_drvdata;
- }
+ ehci_mv->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(ehci_mv->clk)) {
+ dev_err(&pdev->dev, "error getting clock\n");
+ retval = PTR_ERR(ehci_mv->clk);
+ goto err_clear_drvdata;
}
r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phyregs");
@@ -240,12 +225,16 @@ static int mv_ehci_probe(struct platform_device *pdev)
ehci_mv->mode = pdata->mode;
if (ehci_mv->mode == MV_USB_MODE_OTG) {
-#ifdef CONFIG_USB_OTG_UTILS
ehci_mv->otg = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(ehci_mv->otg)) {
- dev_err(&pdev->dev,
- "unable to find transceiver\n");
- retval = -ENODEV;
+ if (IS_ERR(ehci_mv->otg)) {
+ retval = PTR_ERR(ehci_mv->otg);
+
+ if (retval == -ENXIO)
+ dev_info(&pdev->dev, "MV_USB_MODE_OTG "
+ "must have CONFIG_USB_PHY enabled\n");
+ else
+ dev_err(&pdev->dev,
+ "unable to find transceiver\n");
goto err_disable_clk;
}
@@ -258,11 +247,6 @@ static int mv_ehci_probe(struct platform_device *pdev)
}
/* otg will enable clock before use as host */
mv_ehci_disable(ehci_mv);
-#else
- dev_info(&pdev->dev, "MV_USB_MODE_OTG "
- "must have CONFIG_USB_OTG_UTILS enabled\n");
- goto err_disable_clk;
-#endif
} else {
if (pdata->set_vbus)
pdata->set_vbus(1);
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index 738490e6d429..43a2a16732f5 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -140,7 +140,7 @@ static int s5p_ehci_probe(struct platform_device *pdev)
return -ENOMEM;
phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(phy)) {
+ if (IS_ERR(phy)) {
/* Fallback to pdata */
if (!pdata) {
dev_warn(&pdev->dev, "no platform data or transceiver defined\n");
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 4f3cfb83f862..ed201ae879cb 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -773,16 +773,14 @@ static int tegra_ehci_probe(struct platform_device *pdev)
goto fail_phy;
}
-#ifdef CONFIG_USB_OTG_UTILS
if (pdata->operating_mode == TEGRA_USB_OTG) {
tegra->transceiver =
devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
- if (!IS_ERR_OR_NULL(tegra->transceiver))
+ if (!IS_ERR(tegra->transceiver))
otg_set_host(tegra->transceiver->otg, &hcd->self);
} else {
tegra->transceiver = ERR_PTR(-ENODEV);
}
-#endif
err = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (err) {
@@ -801,10 +799,8 @@ static int tegra_ehci_probe(struct platform_device *pdev)
return err;
fail:
-#ifdef CONFIG_USB_OTG_UTILS
- if (!IS_ERR_OR_NULL(tegra->transceiver))
+ if (!IS_ERR(tegra->transceiver))
otg_set_host(tegra->transceiver->otg, NULL);
-#endif
fail_phy:
usb_phy_shutdown(hcd->phy);
fail_io:
@@ -823,10 +819,8 @@ static int tegra_ehci_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
-#ifdef CONFIG_USB_OTG_UTILS
- if (!IS_ERR_OR_NULL(tegra->transceiver))
+ if (!IS_ERR(tegra->transceiver))
otg_set_host(tegra->transceiver->otg, NULL);
-#endif
usb_phy_shutdown(hcd->phy);
usb_remove_hcd(hcd);
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index e3b7e85120e4..4b469e050208 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -128,7 +128,7 @@ static int exynos_ohci_probe(struct platform_device *pdev)
return -ENOMEM;
phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(phy)) {
+ if (IS_ERR(phy)) {
/* Fallback to pdata */
if (!pdata) {
dev_warn(&pdev->dev, "no platform data or transceiver defined\n");