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author | 2007-10-15 16:08:50 -0700 | |
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committer | 2007-10-15 16:08:50 -0700 | |
commit | 65a6ec0d72a07f16719e9b7a96e1c4bae044b591 (patch) | |
tree | 344e03a5039a44982c1b78d6113633b21b434820 /drivers/usb | |
parent | Merge branch 'locks' of git://linux-nfs.org/~bfields/linux (diff) | |
parent | Merge branch 'pxa' into devel (diff) | |
download | linux-65a6ec0d72a07f16719e9b7a96e1c4bae044b591.tar.gz linux-65a6ec0d72a07f16719e9b7a96e1c4bae044b591.tar.bz2 linux-65a6ec0d72a07f16719e9b7a96e1c4bae044b591.zip |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits)
[ARM] 4578/1: CM-x270: PCMCIA support
[ARM] 4577/1: ITE 8152 PCI bridge support
[ARM] 4576/1: CM-X270 machine support
[ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put()
[ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c
[ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c
[ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols
[ARM] pxa: PXA3xx base support
[NET] smc91x: fix PXA DMA support code
[SERIAL] Fix console initialisation ordering
[ARM] pxa: tidy up arch/arm/mach-pxa/Makefile
[ARM] Update arch/arm/Kconfig for drivers/Kconfig changes
[ARM] 4600/1: fix kernel build failure with build-id-supporting binutils
[ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23)
[ARM] Rename consistent_sync() as dma_cache_maint()
[ARM] 4572/1: ep93xx: add cirrus logic edb9307 support
[ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support
[ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32
[ARM] 4594/1: ns9xxx: use the new gpio functions
[ARM] 4593/1: ns9xxx: implement generic clockevents
...
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/gadget/pxa2xx_udc.c | 68 | ||||
-rw-r--r-- | drivers/usb/gadget/pxa2xx_udc.h | 1 |
2 files changed, 43 insertions, 26 deletions
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c index 3e715082de36..3173b39f0bfd 100644 --- a/drivers/usb/gadget/pxa2xx_udc.c +++ b/drivers/usb/gadget/pxa2xx_udc.c @@ -43,6 +43,8 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/irq.h> +#include <linux/clk.h> +#include <linux/err.h> #include <asm/byteorder.h> #include <asm/dma.h> @@ -1157,7 +1159,7 @@ static void udc_disable(struct pxa2xx_udc *dev) #ifdef CONFIG_ARCH_PXA /* Disable clock for USB device */ - pxa_set_cken(CKEN_USB, 0); + clk_disable(dev->clk); #endif ep0_idle (dev); @@ -1202,8 +1204,7 @@ static void udc_enable (struct pxa2xx_udc *dev) #ifdef CONFIG_ARCH_PXA /* Enable clock for USB device */ - pxa_set_cken(CKEN_USB, 1); - udelay(5); + clk_enable(dev->clk); #endif /* try to clear these bits before we enable the udc */ @@ -2137,6 +2138,14 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) if (irq < 0) return -ENODEV; +#ifdef CONFIG_ARCH_PXA + dev->clk = clk_get(&pdev->dev, "UDCCLK"); + if (IS_ERR(dev->clk)) { + retval = PTR_ERR(dev->clk); + goto err_clk; + } +#endif + pr_debug("%s: IRQ %d%s%s\n", driver_name, irq, dev->has_cfr ? "" : " (!cfr)", SIZE_STR "(pio)" @@ -2152,11 +2161,10 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "can't get vbus gpio %d, err: %d\n", dev->mach->gpio_vbus, retval); - return -EBUSY; + goto err_gpio_vbus; } gpio_direction_input(dev->mach->gpio_vbus); vbus_irq = gpio_to_irq(dev->mach->gpio_vbus); - set_irq_type(vbus_irq, IRQT_BOTHEDGE); } else vbus_irq = 0; @@ -2166,9 +2174,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "can't get pullup gpio %d, err: %d\n", dev->mach->gpio_pullup, retval); - if (dev->mach->gpio_vbus) - gpio_free(dev->mach->gpio_vbus); - return -EBUSY; + goto err_gpio_pullup; } gpio_direction_output(dev->mach->gpio_pullup, 0); } @@ -2195,11 +2201,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) if (retval != 0) { printk(KERN_ERR "%s: can't get irq %d, err %d\n", driver_name, irq, retval); - if (dev->mach->gpio_pullup) - gpio_free(dev->mach->gpio_pullup); - if (dev->mach->gpio_vbus) - gpio_free(dev->mach->gpio_vbus); - return -EBUSY; + goto err_irq1; } dev->got_irq = 1; @@ -2213,12 +2215,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) printk(KERN_ERR "%s: can't get irq %i, err %d\n", driver_name, LUBBOCK_USB_DISC_IRQ, retval); lubbock_fail0: - free_irq(irq, dev); - if (dev->mach->gpio_pullup) - gpio_free(dev->mach->gpio_pullup); - if (dev->mach->gpio_vbus) - gpio_free(dev->mach->gpio_vbus); - return -EBUSY; + goto err_irq_lub; } retval = request_irq(LUBBOCK_USB_IRQ, lubbock_vbus_irq, @@ -2234,22 +2231,37 @@ lubbock_fail0: #endif if (vbus_irq) { retval = request_irq(vbus_irq, udc_vbus_irq, - IRQF_DISABLED | IRQF_SAMPLE_RANDOM, + IRQF_DISABLED | IRQF_SAMPLE_RANDOM | + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, driver_name, dev); if (retval != 0) { printk(KERN_ERR "%s: can't get irq %i, err %d\n", driver_name, vbus_irq, retval); - free_irq(irq, dev); - if (dev->mach->gpio_pullup) - gpio_free(dev->mach->gpio_pullup); - if (dev->mach->gpio_vbus) - gpio_free(dev->mach->gpio_vbus); - return -EBUSY; + goto err_vbus_irq; } } create_proc_files(); return 0; + + err_vbus_irq: +#ifdef CONFIG_ARCH_LUBBOCK + free_irq(LUBBOCK_USB_DISC_IRQ, dev); + err_irq_lub: +#endif + free_irq(irq, dev); + err_irq1: + if (dev->mach->gpio_pullup) + gpio_free(dev->mach->gpio_pullup); + err_gpio_pullup: + if (dev->mach->gpio_vbus) + gpio_free(dev->mach->gpio_vbus); + err_gpio_vbus: +#ifdef CONFIG_ARCH_PXA + clk_put(dev->clk); + err_clk: +#endif + return retval; } static void pxa2xx_udc_shutdown(struct platform_device *_dev) @@ -2284,6 +2296,10 @@ static int __exit pxa2xx_udc_remove(struct platform_device *pdev) if (dev->mach->gpio_pullup) gpio_free(dev->mach->gpio_pullup); +#ifdef CONFIG_ARCH_PXA + clk_put(dev->clk); +#endif + platform_set_drvdata(pdev, NULL); the_controller = NULL; return 0; diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h index 0e5d0e6fb0e2..1db46d705777 100644 --- a/drivers/usb/gadget/pxa2xx_udc.h +++ b/drivers/usb/gadget/pxa2xx_udc.h @@ -125,6 +125,7 @@ struct pxa2xx_udc { struct timer_list timer; struct device *dev; + struct clk *clk; struct pxa2xx_udc_mach_info *mach; u64 dma_mask; struct pxa2xx_ep ep [PXA_UDC_NUM_ENDPOINTS]; |