diff options
Diffstat (limited to 'drivers/usb/host/ehci-grlib.c')
| -rw-r--r-- | drivers/usb/host/ehci-grlib.c | 50 |
1 files changed, 12 insertions, 38 deletions
diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c index 3180cb3624d..495b6fbcbcd 100644 --- a/drivers/usb/host/ehci-grlib.c +++ b/drivers/usb/host/ehci-grlib.c @@ -25,7 +25,7 @@ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - +#include <linux/err.h> #include <linux/signal.h> #include <linux/of_irq.h> @@ -34,22 +34,6 @@ #define GRUSBHC_HCIVERSION 0x0100 /* Known value of cap. reg. HCIVERSION */ -/* called during probe() after chip reset completes */ -static int ehci_grlib_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 1); - - return retval; -} - - static const struct hc_driver ehci_grlib_hc_driver = { .description = hcd_name, .product_desc = "GRLIB GRUSBHC EHCI", @@ -59,12 +43,12 @@ static const struct hc_driver ehci_grlib_hc_driver = { * generic hardware linkage */ .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, + .flags = HCD_MEMORY | HCD_USB2 | HCD_BH, /* * basic lifecycle operations */ - .reset = ehci_grlib_setup, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -98,7 +82,7 @@ static const struct hc_driver ehci_grlib_hc_driver = { }; -static int __devinit ehci_hcd_grlib_probe(struct platform_device *op) +static int ehci_hcd_grlib_probe(struct platform_device *op) { struct device_node *dn = op->dev.of_node; struct usb_hcd *hcd; @@ -129,15 +113,15 @@ static int __devinit ehci_hcd_grlib_probe(struct platform_device *op) irq = irq_of_parse_and_map(dn, 0); if (irq == NO_IRQ) { - printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__); + dev_err(&op->dev, "%s: irq_of_parse_and_map failed\n", + __FILE__); rv = -EBUSY; goto err_irq; } - hcd->regs = devm_request_and_ioremap(&op->dev, &res); - if (!hcd->regs) { - pr_err("%s: devm_request_and_ioremap failed\n", __FILE__); - rv = -ENOMEM; + hcd->regs = devm_ioremap_resource(&op->dev, &res); + if (IS_ERR(hcd->regs)) { + rv = PTR_ERR(hcd->regs); goto err_ioremap; } @@ -157,6 +141,7 @@ static int __devinit ehci_hcd_grlib_probe(struct platform_device *op) if (rv) goto err_ioremap; + device_wakeup_enable(hcd->self.controller); return 0; err_ioremap: @@ -170,9 +155,7 @@ err_irq: static int ehci_hcd_grlib_remove(struct platform_device *op) { - struct usb_hcd *hcd = dev_get_drvdata(&op->dev); - - dev_set_drvdata(&op->dev, NULL); + struct usb_hcd *hcd = platform_get_drvdata(op); dev_dbg(&op->dev, "stopping GRLIB GRUSBHC EHCI USB Controller\n"); @@ -186,15 +169,6 @@ static int ehci_hcd_grlib_remove(struct platform_device *op) } -static void ehci_hcd_grlib_shutdown(struct platform_device *op) -{ - struct usb_hcd *hcd = dev_get_drvdata(&op->dev); - - if (hcd->driver->shutdown) - hcd->driver->shutdown(hcd); -} - - static const struct of_device_id ehci_hcd_grlib_of_match[] = { { .name = "GAISLER_EHCI", @@ -210,7 +184,7 @@ MODULE_DEVICE_TABLE(of, ehci_hcd_grlib_of_match); static struct platform_driver ehci_grlib_driver = { .probe = ehci_hcd_grlib_probe, .remove = ehci_hcd_grlib_remove, - .shutdown = ehci_hcd_grlib_shutdown, + .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "grlib-ehci", .owner = THIS_MODULE, |