Merge tag 'usb-for-v4.6' of http://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb changes for v4.6 merge window
This is almost all under drivers/usb/dwc2/. Many
changes to the host side implementation of dwc2 have
been done by Douglas Anderson.
We also have USB 3.1 support added to the Gadget
Framework and, because of that work, dwc3 got
support to Synopsys new DWC_usb31 IP core.
Other than these 2 important series, we also have
the usual collection of non-critical fixes,
Documentation updates, and minor changes all over
the place.
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 0825732..6a17aa8 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -1,10 +1,23 @@
USB xHCI controllers
Required properties:
- - compatible: should be one of "generic-xhci",
- "marvell,armada-375-xhci", "marvell,armada-380-xhci",
- "renesas,xhci-r8a7790", "renesas,xhci-r8a7791", "renesas,xhci-r8a7793",
- "renesas,xhci-r8a7795" (deprecated: "xhci-platform").
+ - compatible: should be one or more of
+
+ - "generic-xhci" for generic XHCI device
+ - "marvell,armada-375-xhci" for Armada 375 SoCs
+ - "marvell,armada-380-xhci" for Armada 38x SoCs
+ - "renesas,xhci-r8a7790" for r8a7790 SoC
+ - "renesas,xhci-r8a7791" for r8a7791 SoC
+ - "renesas,xhci-r8a7793" for r8a7793 SoC
+ - "renesas,xhci-r8a7795" for r8a7795 SoC
+ - "renesas,rcar-gen2-xhci" for a generic R-Car Gen2 compatible device
+ - "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 compatible device
+ - "xhci-platform" (deprecated)
+
+ When compatible with the generic version, nodes must list the
+ SoC-specific version corresponding to the platform first
+ followed by the generic version.
+
- reg: should contain address and length of the standard XHCI
register set for the device.
- interrupts: one XHCI interrupt should be described here.
diff --git a/drivers/usb/usbip/usbip_protocol.txt b/Documentation/usb/usbip_protocol.txt
similarity index 100%
rename from drivers/usb/usbip/usbip_protocol.txt
rename to Documentation/usb/usbip_protocol.txt
diff --git a/MAINTAINERS b/MAINTAINERS
index a1477a7..c55b37e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11380,6 +11380,7 @@
M: Shuah Khan <shuah.kh@samsung.com>
L: linux-usb@vger.kernel.org
S: Maintained
+F: Documentation/usb/usbip_protocol.txt
F: drivers/usb/usbip/
F: tools/usb/usbip/
diff --git a/drivers/phy/phy-dm816x-usb.c b/drivers/phy/phy-dm816x-usb.c
index b4bbef6..cbcce7c 100644
--- a/drivers/phy/phy-dm816x-usb.c
+++ b/drivers/phy/phy-dm816x-usb.c
@@ -118,7 +118,7 @@
.owner = THIS_MODULE,
};
-static int dm816x_usb_phy_runtime_suspend(struct device *dev)
+static int __maybe_unused dm816x_usb_phy_runtime_suspend(struct device *dev)
{
struct dm816x_usb_phy *phy = dev_get_drvdata(dev);
unsigned int mask, val;
@@ -136,7 +136,7 @@
return 0;
}
-static int dm816x_usb_phy_runtime_resume(struct device *dev)
+static int __maybe_unused dm816x_usb_phy_runtime_resume(struct device *dev)
{
struct dm816x_usb_phy *phy = dev_get_drvdata(dev);
unsigned int mask, val;
diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c
index 840f3ea..6b6af6c 100644
--- a/drivers/phy/phy-twl4030-usb.c
+++ b/drivers/phy/phy-twl4030-usb.c
@@ -391,7 +391,7 @@
WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
}
-static int twl4030_usb_runtime_suspend(struct device *dev)
+static int __maybe_unused twl4030_usb_runtime_suspend(struct device *dev)
{
struct twl4030_usb *twl = dev_get_drvdata(dev);
@@ -405,7 +405,7 @@
return 0;
}
-static int twl4030_usb_runtime_resume(struct device *dev)
+static int __maybe_unused twl4030_usb_runtime_resume(struct device *dev)
{
struct twl4030_usb *twl = dev_get_drvdata(dev);
int res;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index fa23967..38cc4ba 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4344,7 +4344,7 @@
{
struct usb_device *hdev = hub->hdev;
struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
- int i, j, retval;
+ int retries, operations, retval, i;
unsigned delay = HUB_SHORT_RESET_TIME;
enum usb_device_speed oldspeed = udev->speed;
const char *speed;
@@ -4449,7 +4449,7 @@
* first 8 bytes of the device descriptor to get the ep0 maxpacket
* value.
*/
- for (i = 0; i < GET_DESCRIPTOR_TRIES; (++i, msleep(100))) {
+ for (retries = 0; retries < GET_DESCRIPTOR_TRIES; (++retries, msleep(100))) {
bool did_new_scheme = false;
if (use_new_scheme(udev, retry_counter)) {
@@ -4476,7 +4476,7 @@
* 255 is for WUSB devices, we actually need to use
* 512 (WUSB1.0[4.8.1]).
*/
- for (j = 0; j < 3; ++j) {
+ for (operations = 0; operations < 3; ++operations) {
buf->bMaxPacketSize0 = 0;
r = usb_control_msg(udev, usb_rcvaddr0pipe(),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
@@ -4502,7 +4502,7 @@
* reset. But only on the first attempt,
* lest we get into a time out/reset loop
*/
- if (r == 0 || (r == -ETIMEDOUT && j == 0))
+ if (r == 0 || (r == -ETIMEDOUT && retries == 0))
break;
}
udev->descriptor.bMaxPacketSize0 =
@@ -4534,7 +4534,7 @@
* authorization will assign the final address.
*/
if (udev->wusb == 0) {
- for (j = 0; j < SET_ADDRESS_TRIES; ++j) {
+ for (operations = 0; operations < SET_ADDRESS_TRIES; ++operations) {
retval = hub_set_address(udev, devnum);
if (retval >= 0)
break;
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 8c20ebb..3050b18b 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -18,7 +18,7 @@
config USB_XHCI_HCD
tristate "xHCI HCD (USB 3.0) support"
- depends on HAS_IOMEM
+ depends on HAS_DMA && HAS_IOMEM
---help---
The eXtensible Host Controller Interface (xHCI) is standard for USB 3.0
"SuperSpeed" host controller hardware.
@@ -73,7 +73,7 @@
config USB_EHCI_HCD
tristate "EHCI HCD (USB 2.0) support"
- depends on HAS_IOMEM
+ depends on HAS_DMA && HAS_IOMEM
---help---
The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0
"high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware.
@@ -364,8 +364,7 @@
config USB_FOTG210_HCD
tristate "FOTG210 HCD support"
- depends on USB
- depends on HAS_IOMEM
+ depends on USB && HAS_DMA && HAS_IOMEM
---help---
Faraday FOTG210 is an OTG controller which can be configured as
an USB2.0 host. It is designed to meet USB2.0 EHCI specification
@@ -387,7 +386,7 @@
config USB_OHCI_HCD
tristate "OHCI HCD (USB 1.1) support"
- depends on HAS_IOMEM
+ depends on HAS_DMA && HAS_IOMEM
---help---
The Open Host Controller Interface (OHCI) is a standard for accessing
USB 1.1 host controller hardware. It does more in hardware than Intel's
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index be0964a..7440722 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -185,8 +185,7 @@
return 0;
}
-#ifdef CONFIG_PM
-static int ehci_atmel_drv_suspend(struct device *dev)
+static int __maybe_unused ehci_atmel_drv_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
@@ -200,7 +199,7 @@
return 0;
}
-static int ehci_atmel_drv_resume(struct device *dev)
+static int __maybe_unused ehci_atmel_drv_resume(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
@@ -208,7 +207,6 @@
atmel_start_clock(atmel_ehci);
return ehci_resume(hcd, false);
}
-#endif
#ifdef CONFIG_OF
static const struct of_device_id atmel_ehci_dt_ids[] = {
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 2ddf352..3f3b74a 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -888,12 +888,10 @@
u32 mask, u32 done, int usec);
extern int ehci_reset(struct ehci_hcd *ehci);
-#ifdef CONFIG_PM
extern int ehci_suspend(struct usb_hcd *hcd, bool do_wakeup);
extern int ehci_resume(struct usb_hcd *hcd, bool force_reset);
extern void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci,
bool suspending, bool do_wakeup);
-#endif /* CONFIG_PM */
extern int ehci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
u16 wIndex, char *buf, u16 wLength);
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 8c6e15b..f789d29 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -583,9 +583,7 @@
return 0;
}
-#ifdef CONFIG_PM
-
-static int
+static int __maybe_unused
ohci_hcd_at91_drv_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
@@ -630,7 +628,8 @@
return ret;
}
-static int ohci_hcd_at91_drv_resume(struct device *dev)
+static int __maybe_unused
+ohci_hcd_at91_drv_resume(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ohci_at91_priv *ohci_at91 = hcd_to_ohci_at91_priv(hcd);
@@ -643,7 +642,6 @@
ohci_resume(hcd, false);
return 0;
}
-#endif
static SIMPLE_DEV_PM_OPS(ohci_hcd_at91_pm_ops, ohci_hcd_at91_drv_suspend,
ohci_hcd_at91_drv_resume);
diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c
index ebacf97..b7d4756 100644
--- a/drivers/usb/host/ohci-nxp.c
+++ b/drivers/usb/host/ohci-nxp.c
@@ -34,16 +34,6 @@
#include <mach/hardware.h>
#define USB_CONFIG_BASE 0x31020000
-#define PWRMAN_BASE 0x40004000
-
-#define USB_CTRL IO_ADDRESS(PWRMAN_BASE + 0x64)
-
-/* USB_CTRL bit defines */
-#define USB_SLAVE_HCLK_EN (1 << 24)
-#define USB_DEV_NEED_CLK_EN (1 << 22)
-#define USB_HOST_NEED_CLK_EN (1 << 21)
-#define PAD_CONTROL_LAST_DRIVEN (1 << 19)
-
#define USB_OTG_STAT_CONTROL IO_ADDRESS(USB_CONFIG_BASE + 0x110)
/* USB_OTG_STAT_CONTROL bit defines */
@@ -68,9 +58,7 @@
extern int usb_disabled(void);
-static struct clk *usb_pll_clk;
-static struct clk *usb_dev_clk;
-static struct clk *usb_otg_clk;
+static struct clk *usb_host_clk;
static void isp1301_configure_lpc32xx(void)
{
@@ -110,9 +98,6 @@
i2c_smbus_write_byte_data(isp1301_i2c_client,
ISP1301_I2C_INTERRUPT_RISING | ISP1301_I2C_REG_CLEAR_ADDR, ~0);
- /* Enable usb_need_clk clock after transceiver is initialized */
- __raw_writel(__raw_readl(USB_CTRL) | USB_HOST_NEED_CLK_EN, USB_CTRL);
-
printk(KERN_INFO "ISP1301 Vendor ID : 0x%04x\n",
i2c_smbus_read_word_data(isp1301_i2c_client, 0x00));
printk(KERN_INFO "ISP1301 Product ID : 0x%04x\n",
@@ -185,59 +170,20 @@
goto fail_disable;
}
- /* Enable AHB slave USB clock, needed for further USB clock control */
- __raw_writel(USB_SLAVE_HCLK_EN | PAD_CONTROL_LAST_DRIVEN, USB_CTRL);
-
- /* Enable USB PLL */
- usb_pll_clk = devm_clk_get(&pdev->dev, "ck_pll5");
- if (IS_ERR(usb_pll_clk)) {
- dev_err(&pdev->dev, "failed to acquire USB PLL\n");
- ret = PTR_ERR(usb_pll_clk);
+ /* Enable USB host clock */
+ usb_host_clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(usb_host_clk)) {
+ dev_err(&pdev->dev, "failed to acquire USB OHCI clock\n");
+ ret = PTR_ERR(usb_host_clk);
goto fail_disable;
}
- ret = clk_prepare_enable(usb_pll_clk);
+ ret = clk_prepare_enable(usb_host_clk);
if (ret < 0) {
- dev_err(&pdev->dev, "failed to start USB PLL\n");
+ dev_err(&pdev->dev, "failed to start USB OHCI clock\n");
goto fail_disable;
}
- ret = clk_set_rate(usb_pll_clk, 48000);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to set USB clock rate\n");
- goto fail_rate;
- }
-
- /* Enable USB device clock */
- usb_dev_clk = devm_clk_get(&pdev->dev, "ck_usbd");
- if (IS_ERR(usb_dev_clk)) {
- dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n");
- ret = PTR_ERR(usb_dev_clk);
- goto fail_rate;
- }
-
- ret = clk_prepare_enable(usb_dev_clk);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to start USB DEV Clock\n");
- goto fail_rate;
- }
-
- /* Enable USB otg clocks */
- usb_otg_clk = devm_clk_get(&pdev->dev, "ck_usb_otg");
- if (IS_ERR(usb_otg_clk)) {
- dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n");
- ret = PTR_ERR(usb_otg_clk);
- goto fail_otg;
- }
-
- __raw_writel(__raw_readl(USB_CTRL) | USB_HOST_NEED_CLK_EN, USB_CTRL);
-
- ret = clk_prepare_enable(usb_otg_clk);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to start USB DEV Clock\n");
- goto fail_otg;
- }
-
isp1301_configure();
hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
@@ -276,11 +222,7 @@
fail_resource:
usb_put_hcd(hcd);
fail_hcd:
- clk_disable_unprepare(usb_otg_clk);
-fail_otg:
- clk_disable_unprepare(usb_dev_clk);
-fail_rate:
- clk_disable_unprepare(usb_pll_clk);
+ clk_disable_unprepare(usb_host_clk);
fail_disable:
isp1301_i2c_client = NULL;
return ret;
@@ -293,9 +235,7 @@
usb_remove_hcd(hcd);
ohci_nxp_stop_hc();
usb_put_hcd(hcd);
- clk_disable_unprepare(usb_otg_clk);
- clk_disable_unprepare(usb_dev_clk);
- clk_disable_unprepare(usb_pll_clk);
+ clk_disable_unprepare(usb_host_clk);
isp1301_i2c_client = NULL;
return 0;
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index bc46228..37f1725 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -735,10 +735,8 @@
const struct ohci_driver_overrides *over);
extern int ohci_restart(struct ohci_hcd *ohci);
extern int ohci_setup(struct usb_hcd *hcd);
-#ifdef CONFIG_PM
extern int ohci_suspend(struct usb_hcd *hcd, bool do_wakeup);
extern int ohci_resume(struct usb_hcd *hcd, bool hibernated);
-#endif
extern int ohci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
u16 wIndex, char *buf, u16 wLength);
extern int ohci_hub_status_data(struct usb_hcd *hcd, char *buf);
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 9532f5a..79959f1 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -695,7 +695,6 @@
return 0;
}
-#ifdef CONFIG_PM_SLEEP
/*
* if ip sleep fails, and all clocks are disabled, access register will hang
* AHB bus, so stop polling roothubs to avoid regs access on bus suspend.
@@ -703,7 +702,7 @@
* to wake up system immediately after system suspend complete if ip sleep
* fails, it is what we wanted.
*/
-static int xhci_mtk_suspend(struct device *dev)
+static int __maybe_unused xhci_mtk_suspend(struct device *dev)
{
struct xhci_hcd_mtk *mtk = dev_get_drvdata(dev);
struct usb_hcd *hcd = mtk->hcd;
@@ -722,7 +721,7 @@
return 0;
}
-static int xhci_mtk_resume(struct device *dev)
+static int __maybe_unused xhci_mtk_resume(struct device *dev)
{
struct xhci_hcd_mtk *mtk = dev_get_drvdata(dev);
struct usb_hcd *hcd = mtk->hcd;
@@ -744,10 +743,7 @@
static const struct dev_pm_ops xhci_mtk_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(xhci_mtk_suspend, xhci_mtk_resume)
};
-#define DEV_PM_OPS (&xhci_mtk_pm_ops)
-#else
-#define DEV_PM_OPS NULL
-#endif /* CONFIG_PM */
+#define DEV_PM_OPS IS_ENABLED(CONFIG_PM) ? &xhci_mtk_pm_ops : NULL
#ifdef CONFIG_OF
static const struct of_device_id mtk_xhci_of_match[] = {
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index d39d6bf..5c15e9b 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -110,7 +110,13 @@
.compatible = "renesas,xhci-r8a7795",
.data = &xhci_plat_renesas_rcar_gen3,
}, {
+ .compatible = "renesas,rcar-gen2-xhci",
+ .data = &xhci_plat_renesas_rcar_gen2,
+ }, {
+ .compatible = "renesas,rcar-gen3-xhci",
+ .data = &xhci_plat_renesas_rcar_gen3,
},
+ {},
};
MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
#endif
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 4e38683c..5105397 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -257,9 +257,9 @@
if (result)
goto error;
result = idmouse_create_image (dev);
+ usb_autopm_put_interface(interface);
if (result)
goto error;
- usb_autopm_put_interface(interface);
/* increment our usage count for the driver */
++dev->open;