diff options
Diffstat (limited to 'drivers/usb/host/ohci-at91.c')
| -rw-r--r-- | drivers/usb/host/ohci-at91.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 533537ef3c21..12fdb18934cf 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -17,13 +17,13 @@ #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/gpio/consumer.h> -#include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/platform_data/atmel.h> #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mfd/syscon.h> +#include <linux/of.h> #include <linux/regmap.h> #include <linux/usb.h> #include <linux/usb/hcd.h> @@ -190,18 +190,15 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, int irq; irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_dbg(dev, "hcd probe: missing irq resource\n"); + if (irq < 0) return irq; - } - hcd = usb_create_hcd(driver, dev, "at91"); + hcd = usb_create_hcd(driver, dev, dev_name(dev)); if (!hcd) return -ENOMEM; ohci_at91 = hcd_to_ohci_at91_priv(hcd); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - hcd->regs = devm_ioremap_resource(dev, res); + hcd->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(hcd->regs)) { retval = PTR_ERR(hcd->regs); goto err; @@ -599,7 +596,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev); } -static int ohci_hcd_at91_drv_remove(struct platform_device *pdev) +static void ohci_hcd_at91_drv_remove(struct platform_device *pdev) { struct at91_usbh_data *pdata = dev_get_platdata(&pdev->dev); int i; @@ -611,7 +608,6 @@ static int ohci_hcd_at91_drv_remove(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 0); usb_hcd_at91_remove(platform_get_drvdata(pdev), pdev); - return 0; } static int __maybe_unused @@ -673,7 +669,13 @@ ohci_hcd_at91_drv_resume(struct device *dev) else at91_start_clock(ohci_at91); - ohci_resume(hcd, false); + /* + * According to the comment in ohci_hcd_at91_drv_suspend() + * we need to do a reset if the 48Mhz clock was stopped, + * that is, if ohci_at91->wakeup is clear. Tell ohci_resume() + * to reset in this case by setting its "hibernated" flag. + */ + ohci_resume(hcd, !ohci_at91->wakeup); return 0; } |