diff options
author | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 19:56:05 +0100 |
---|---|---|
committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 19:56:05 +0100 |
commit | 418f19ea17a99421b22a64e101e14b6a16bed66d (patch) | |
tree | 7c21fcc368c63f1f9907deac6d16b30bd371792d /drivers/usb/host | |
parent | 98444d3dd975653a4a970ecc0dfc30918da92f60 (diff) | |
parent | f6e10b865c3ea56bdaa8c6ecfee313b997900dbb (diff) |
Merge branch 'master' of ../mmc
Diffstat (limited to 'drivers/usb/host')
-rw-r--r-- | drivers/usb/host/ehci-orion.c | 17 | ||||
-rw-r--r-- | drivers/usb/host/ehci-pci.c | 9 | ||||
-rw-r--r-- | drivers/usb/host/ehci.h | 12 | ||||
-rw-r--r-- | drivers/usb/host/ohci-omap.c | 8 | ||||
-rw-r--r-- | drivers/usb/host/ohci-pxa27x.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/r8a66597-hcd.c | 34 | ||||
-rw-r--r-- | drivers/usb/host/r8a66597.h | 8 |
7 files changed, 69 insertions, 21 deletions
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 5416cf96900..9d487908012 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -33,8 +33,9 @@ /* * Implement Orion USB controller specification guidelines */ -static void orion_usb_setup(struct usb_hcd *hcd) +static void orion_usb_phy_v1_setup(struct usb_hcd *hcd) { + /* The below GLs are according to the Orion Errata document */ /* * Clear interrupt cause and mask */ @@ -258,9 +259,19 @@ static int __init ehci_orion_drv_probe(struct platform_device *pdev) ehci_orion_conf_mbus_windows(hcd, pd->dram); /* - * setup Orion USB controller + * setup Orion USB controller. */ - orion_usb_setup(hcd); + switch (pd->phy_version) { + case EHCI_PHY_NA: /* dont change USB phy settings */ + break; + case EHCI_PHY_ORION: + orion_usb_phy_v1_setup(hcd); + break; + case EHCI_PHY_DD: + case EHCI_PHY_KW: + default: + printk(KERN_WARNING "Orion ehci -USB phy version isn't supported.\n"); + } err = usb_add_hcd(hcd, irq, IRQF_SHARED | IRQF_DISABLED); if (err) diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 9d0ea573aef..36864f95844 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -169,18 +169,21 @@ static int ehci_pci_setup(struct usb_hcd *hcd) } break; case PCI_VENDOR_ID_ATI: - /* SB700 old version has a bug in EHCI controller, + /* SB600 and old version of SB700 have a bug in EHCI controller, * which causes usb devices lose response in some cases. */ - if (pdev->device == 0x4396) { + if ((pdev->device == 0x4386) || (pdev->device == 0x4396)) { p_smbus = pci_get_device(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS, NULL); if (!p_smbus) break; rev = p_smbus->revision; - if ((rev == 0x3a) || (rev == 0x3b)) { + if ((pdev->device == 0x4386) || (rev == 0x3a) + || (rev == 0x3b)) { u8 tmp; + ehci_info(ehci, "applying AMD SB600/SB700 USB " + "freeze workaround\n"); pci_read_config_byte(pdev, 0x53, &tmp); pci_write_config_byte(pdev, 0x53, tmp | (1<<3)); } diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index b11798d17ae..c7d4b5a06bd 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -183,16 +183,14 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) * the async ring; just the I/O watchdog. Note that if a * SHRINK were pending, OFF would never be requested. */ - enum ehci_timer_action oldactions = ehci->actions; + if (timer_pending(&ehci->watchdog) + && ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF)) + & ehci->actions)) + return; if (!test_and_set_bit (action, &ehci->actions)) { unsigned long t; - if (timer_pending(&ehci->watchdog) - && ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF)) - & oldactions)) - return; - switch (action) { case TIMER_IO_WATCHDOG: t = EHCI_IO_JIFFIES; @@ -208,7 +206,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) t = DIV_ROUND_UP(EHCI_SHRINK_FRAMES * HZ, 1000) + 1; break; } - mod_timer(&ehci->watchdog, round_jiffies(t + jiffies)); + mod_timer(&ehci->watchdog, t + jiffies); } } diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 91697bdb399..4bbddb73abd 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -18,6 +18,7 @@ #include <linux/jiffies.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <asm/io.h> @@ -25,7 +26,6 @@ #include <mach/mux.h> #include <mach/irqs.h> -#include <mach/gpio.h> #include <mach/fpga.h> #include <mach/usb.h> @@ -254,8 +254,8 @@ static int ohci_omap_init(struct usb_hcd *hcd) /* gpio9 for overcurrent detction */ omap_cfg_reg(W8_1610_GPIO9); - omap_request_gpio(9); - omap_set_gpio_direction(9, 1 /* IN */); + gpio_request(9, "OHCI overcurrent"); + gpio_direction_input(9); /* for paranoia's sake: disable USB.PUEN */ omap_cfg_reg(W4_USB_HIGHZ); @@ -407,7 +407,7 @@ usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev) put_device(ohci->transceiver->dev); } if (machine_is_omap_osk()) - omap_free_gpio(9); + gpio_free(9); iounmap(hcd->regs); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index e294d430733..e44dc2cbca2 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -296,7 +296,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device return -ENXIO; } - usb_clk = clk_get(&pdev->dev, "USBCLK"); + usb_clk = clk_get(&pdev->dev, NULL); if (IS_ERR(usb_clk)) return PTR_ERR(usb_clk); diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index 2376f24f3c8..c21f14e0666 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -114,6 +114,9 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597) int i = 0; #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#if defined(CONFIG_HAVE_CLK) + clk_enable(r8a66597->clk); +#endif do { r8a66597_write(r8a66597, SCKE, SYSCFG0); tmp = r8a66597_read(r8a66597, SYSCFG0); @@ -154,7 +157,11 @@ static void r8a66597_clock_disable(struct r8a66597 *r8a66597) { r8a66597_bclr(r8a66597, SCKE, SYSCFG0); udelay(1); -#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#if defined(CONFIG_HAVE_CLK) + clk_disable(r8a66597->clk); +#endif +#else r8a66597_bclr(r8a66597, PLLC, SYSCFG0); r8a66597_bclr(r8a66597, XCKE, SYSCFG0); r8a66597_bclr(r8a66597, USBE, SYSCFG0); @@ -2261,6 +2268,9 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev) del_timer_sync(&r8a66597->rh_timer); usb_remove_hcd(hcd); iounmap((void *)r8a66597->reg); +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + clk_put(r8a66597->clk); +#endif usb_put_hcd(hcd); return 0; } @@ -2268,6 +2278,9 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev) #define resource_len(r) (((r)->end - (r)->start) + 1) static int __init r8a66597_probe(struct platform_device *pdev) { +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + char clk_name[8]; +#endif struct resource *res = NULL, *ires; int irq = -1; void __iomem *reg = NULL; @@ -2320,6 +2333,16 @@ static int __init r8a66597_probe(struct platform_device *pdev) memset(r8a66597, 0, sizeof(struct r8a66597)); dev_set_drvdata(&pdev->dev, r8a66597); +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id); + r8a66597->clk = clk_get(&pdev->dev, clk_name); + if (IS_ERR(r8a66597->clk)) { + dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); + ret = PTR_ERR(r8a66597->clk); + goto clean_up2; + } +#endif + spin_lock_init(&r8a66597->lock); init_timer(&r8a66597->rh_timer); r8a66597->rh_timer.function = r8a66597_timer; @@ -2365,11 +2388,18 @@ static int __init r8a66597_probe(struct platform_device *pdev) ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger); if (ret != 0) { dev_err(&pdev->dev, "Failed to add hcd\n"); - goto clean_up; + goto clean_up3; } return 0; +clean_up3: +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + clk_put(r8a66597->clk); +clean_up2: +#endif + usb_put_hcd(hcd); + clean_up: if (reg) iounmap(reg); diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h index 84ee0141731..ecacde4d69b 100644 --- a/drivers/usb/host/r8a66597.h +++ b/drivers/usb/host/r8a66597.h @@ -26,6 +26,10 @@ #ifndef __R8A66597_H__ #define __R8A66597_H__ +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) +#include <linux/clk.h> +#endif + #define SYSCFG0 0x00 #define SYSCFG1 0x02 #define SYSSTS0 0x04 @@ -481,7 +485,9 @@ struct r8a66597_root_hub { struct r8a66597 { spinlock_t lock; unsigned long reg; - +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + struct clk *clk; +#endif struct r8a66597_device device0; struct r8a66597_root_hub root_hub[R8A66597_MAX_ROOT_HUB]; struct list_head pipe_queue[R8A66597_MAX_NUM_PIPE]; |