diff options
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 58 |
1 files changed, 49 insertions, 9 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 79f2d8b9bfb6..85b0b4ad4c16 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -16,7 +16,6 @@ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/dmapool.h> @@ -626,10 +625,11 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd, struct pt_regs *regs) writel (status | CMD_RUN, &ehci->regs->command); while (i--) { - status = readl (&ehci->regs->port_status [i]); - if (status & PORT_OWNER) + int pstatus = readl (&ehci->regs->port_status [i]); + + if (pstatus & PORT_OWNER) continue; - if (!(status & PORT_RESUME) + if (!(pstatus & PORT_RESUME) || ehci->reset_done [i] != 0) continue; @@ -889,19 +889,59 @@ MODULE_LICENSE ("GPL"); #ifdef CONFIG_PCI #include "ehci-pci.c" -#define EHCI_BUS_GLUED +#define PCI_DRIVER ehci_pci_driver #endif #ifdef CONFIG_PPC_83xx #include "ehci-fsl.c" -#define EHCI_BUS_GLUED +#define PLATFORM_DRIVER ehci_fsl_driver #endif -#ifdef CONFIG_SOC_AU1X00 +#ifdef CONFIG_SOC_AU1200 #include "ehci-au1xxx.c" -#define EHCI_BUS_GLUED +#define PLATFORM_DRIVER ehci_hcd_au1xxx_driver #endif -#ifndef EHCI_BUS_GLUED +#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) #error "missing bus glue for ehci-hcd" #endif + +static int __init ehci_hcd_init(void) +{ + int retval = 0; + + pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n", + hcd_name, + sizeof(struct ehci_qh), sizeof(struct ehci_qtd), + sizeof(struct ehci_itd), sizeof(struct ehci_sitd)); + +#ifdef PLATFORM_DRIVER + retval = platform_driver_register(&PLATFORM_DRIVER); + if (retval < 0) + return retval; +#endif + +#ifdef PCI_DRIVER + retval = pci_register_driver(&PCI_DRIVER); + if (retval < 0) { +#ifdef PLATFORM_DRIVER + platform_driver_unregister(&PLATFORM_DRIVER); +#endif + } +#endif + + return retval; +} +module_init(ehci_hcd_init); + +static void __exit ehci_hcd_cleanup(void) +{ +#ifdef PLATFORM_DRIVER + platform_driver_unregister(&PLATFORM_DRIVER); +#endif +#ifdef PCI_DRIVER + pci_unregister_driver(&PCI_DRIVER); +#endif +} +module_exit(ehci_hcd_cleanup); + |