diff options
Diffstat (limited to 'drivers/usb/host/ohci-pxa27x.c')
| -rw-r--r-- | drivers/usb/host/ohci-pxa27x.c | 62 |
1 files changed, 19 insertions, 43 deletions
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index e5bc1789d18a..59e20568e8f9 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -20,6 +20,9 @@ */ #include <linux/device.h> +#include <linux/signal.h> +#include <linux/platform_device.h> + #include <asm/mach-types.h> #include <asm/hardware.h> #include <asm/arch/pxa-regs.h> @@ -75,33 +78,6 @@ static int pxa27x_ohci_select_pmm( int mode ) return 0; } -/* - If you select PMM_PERPORT_MODE, you should set the port power - */ -static int pxa27x_ohci_set_port_power( int port ) -{ - if ( (pxa27x_ohci_pmm_state==PMM_PERPORT_MODE) - && (port>0) && (port<PXA_UHC_MAX_PORTNUM) ) { - UHCRHPS(port) |= 0x100; - return 0; - } - return -1; -} - -/* - If you select PMM_PERPORT_MODE, you should set the port power - */ -static int pxa27x_ohci_clear_port_power( int port ) -{ - if ( (pxa27x_ohci_pmm_state==PMM_PERPORT_MODE) - && (port>0) && (port<PXA_UHC_MAX_PORTNUM) ) { - UHCRHPS(port) |= 0x200; - return 0; - } - - return -1; -} - extern int usb_disabled(void); /*-------------------------------------------------------------------------*/ @@ -130,11 +106,17 @@ static void pxa27x_start_hc(struct platform_device *dev) Polarity Low to active low. Supply power to USB ports. */ UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) & ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE); + + pxa27x_ohci_pmm_state = PMM_PERPORT_MODE; } UHCHR &= ~UHCHR_SSE; UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE); + + /* Clear any OTG Pin Hold */ + if (PSSR & PSSR_OTGPH) + PSSR |= PSSR_OTGPH; } static void pxa27x_stop_hc(struct platform_device *dev) @@ -198,17 +180,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, pxa27x_start_hc(dev); /* Select Power Management Mode */ - pxa27x_ohci_select_pmm( PMM_PERPORT_MODE ); - - /* If choosing PMM_PERPORT_MODE, we should set the port power before we use it. */ - if (pxa27x_ohci_set_port_power(1) < 0) - printk(KERN_ERR "Setting port 1 power failed.\n"); - - if (pxa27x_ohci_clear_port_power(2) < 0) - printk(KERN_ERR "Setting port 2 power failed.\n"); - - if (pxa27x_ohci_clear_port_power(3) < 0) - printk(KERN_ERR "Setting port 3 power failed.\n"); + pxa27x_ohci_select_pmm(pxa27x_ohci_pmm_state); ohci_hcd_init(hcd_to_ohci(hcd)); @@ -258,6 +230,9 @@ ohci_pxa27x_start (struct usb_hcd *hcd) ohci_dbg (ohci, "ohci_pxa27x_start, ohci:%p", ohci); + /* The value of NDP in roothub_a is incorrect on this hardware */ + ohci->num_ports = 3; + if ((ret = ohci_init(ohci)) < 0) return ret; @@ -306,10 +281,11 @@ static const struct hc_driver ohci_pxa27x_hc_driver = { */ .hub_status_data = ohci_hub_status_data, .hub_control = ohci_hub_control, -#ifdef CONFIG_USB_SUSPEND - .hub_suspend = ohci_hub_suspend, - .hub_resume = ohci_hub_resume, +#ifdef CONFIG_PM + .bus_suspend = ohci_bus_suspend, + .bus_resume = ohci_bus_resume, #endif + .start_port_reset = ohci_start_port_reset, }; /*-------------------------------------------------------------------------*/ @@ -337,7 +313,7 @@ static int ohci_hcd_pxa27x_drv_remove(struct device *dev) return 0; } -static int ohci_hcd_pxa27x_drv_suspend(struct device *dev, pm_message_t state, u32 level) +static int ohci_hcd_pxa27x_drv_suspend(struct device *dev, pm_message_t state) { // struct platform_device *pdev = to_platform_device(dev); // struct usb_hcd *hcd = dev_get_drvdata(dev); @@ -346,7 +322,7 @@ static int ohci_hcd_pxa27x_drv_suspend(struct device *dev, pm_message_t state, u return 0; } -static int ohci_hcd_pxa27x_drv_resume(struct device *dev, u32 level) +static int ohci_hcd_pxa27x_drv_resume(struct device *dev) { // struct platform_device *pdev = to_platform_device(dev); // struct usb_hcd *hcd = dev_get_drvdata(dev); |