diff options
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r-- | drivers/usb/gadget/fsl_udc_core.c | 17 | ||||
-rw-r--r-- | drivers/usb/gadget/mv_udc_core.c | 15 | ||||
-rw-r--r-- | drivers/usb/gadget/omap_udc.c | 31 | ||||
-rw-r--r-- | drivers/usb/gadget/pxa25x_udc.c | 17 | ||||
-rw-r--r-- | drivers/usb/gadget/pxa27x_udc.c | 15 | ||||
-rw-r--r-- | drivers/usb/gadget/s3c-hsudc.c | 13 |
6 files changed, 57 insertions, 51 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index a65ca0f5d8c..3def828f85e 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -24,6 +24,7 @@ #include <linux/ioport.h> #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/list.h> @@ -1229,7 +1230,7 @@ static int fsl_vbus_draw(struct usb_gadget *gadget, unsigned mA) struct fsl_udc *udc; udc = container_of(gadget, struct fsl_udc, gadget); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return usb_phy_set_power(udc->transceiver, mA); return -ENOTSUPP; } @@ -1983,13 +1984,13 @@ static int fsl_start(struct usb_gadget_driver *driver, goto out; } - if (udc_controller->transceiver) { + if (!IS_ERR_OR_NULL(udc_controller->transceiver)) { /* Suspend the controller until OTG enable it */ udc_controller->stopped = 1; printk(KERN_INFO "Suspend udc for OTG auto detect\n"); /* connect to bus through transceiver */ - if (udc_controller->transceiver) { + if (!IS_ERR_OR_NULL(udc_controller->transceiver)) { retval = otg_set_peripheral( udc_controller->transceiver->otg, &udc_controller->gadget); @@ -2030,7 +2031,7 @@ static int fsl_stop(struct usb_gadget_driver *driver) if (!driver || driver != udc_controller->driver || !driver->unbind) return -EINVAL; - if (udc_controller->transceiver) + if (!IS_ERR_OR_NULL(udc_controller->transceiver)) otg_set_peripheral(udc_controller->transceiver->otg, NULL); /* stop DR, disable intr */ @@ -2455,8 +2456,8 @@ static int __init fsl_udc_probe(struct platform_device *pdev) #ifdef CONFIG_USB_OTG if (pdata->operating_mode == FSL_USB2_DR_OTG) { - udc_controller->transceiver = usb_get_transceiver(); - if (!udc_controller->transceiver) { + udc_controller->transceiver = usb_get_phy(USB_PHY_TYPE_USB2); + if (IS_ERR_OR_NULL(udc_controller->transceiver)) { ERR("Can't find OTG driver!\n"); ret = -ENODEV; goto err_kfree; @@ -2540,7 +2541,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) goto err_free_irq; } - if (!udc_controller->transceiver) { + if (IS_ERR_OR_NULL(udc_controller->transceiver)) { /* initialize usb hw reg except for regs for EP, * leave usbintr reg untouched */ dr_controller_setup(udc_controller); @@ -2565,7 +2566,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) if (ret < 0) goto err_free_irq; - if (udc_controller->transceiver) + if (!IS_ERR_OR_NULL(udc_controller->transceiver)) udc_controller->gadget.is_otg = 1; /* setup QH and epctrl for ep0 */ diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 117a4bba1b8..75db2c306ce 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -19,6 +19,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/init.h> #include <linux/timer.h> #include <linux/list.h> @@ -1381,7 +1382,7 @@ static int mv_udc_start(struct usb_gadget_driver *driver, return retval; } - if (udc->transceiver) { + if (!IS_ERR_OR_NULL(udc->transceiver)) { retval = otg_set_peripheral(udc->transceiver->otg, &udc->gadget); if (retval) { @@ -2107,7 +2108,7 @@ static int __devexit mv_udc_remove(struct platform_device *dev) * then vbus irq will not be requested in udc driver. */ if (udc->pdata && udc->pdata->vbus - && udc->clock_gating && udc->transceiver == NULL) + && udc->clock_gating && IS_ERR_OR_NULL(udc->transceiver)) free_irq(udc->pdata->vbus->irq, &dev->dev); /* free memory allocated in probe */ @@ -2180,7 +2181,7 @@ static int __devinit mv_udc_probe(struct platform_device *dev) #ifdef CONFIG_USB_OTG_UTILS if (pdata->mode == MV_USB_MODE_OTG) - udc->transceiver = usb_get_transceiver(); + udc->transceiver = usb_get_phy(USB_PHY_TYPE_USB2); #endif udc->clknum = pdata->clknum; @@ -2325,7 +2326,7 @@ static int __devinit mv_udc_probe(struct platform_device *dev) eps_init(udc); /* VBUS detect: we can disable/enable clock on demand.*/ - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) udc->clock_gating = 1; else if (pdata->vbus) { udc->clock_gating = 1; @@ -2369,7 +2370,7 @@ static int __devinit mv_udc_probe(struct platform_device *dev) err_unregister: if (udc->pdata && udc->pdata->vbus - && udc->clock_gating && udc->transceiver == NULL) + && udc->clock_gating && IS_ERR_OR_NULL(udc->transceiver)) free_irq(pdata->vbus->irq, &dev->dev); device_unregister(&udc->gadget.dev); err_free_irq: @@ -2404,7 +2405,7 @@ static int mv_udc_suspend(struct device *_dev) struct mv_udc *udc = the_controller; /* if OTG is enabled, the following will be done in OTG driver*/ - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return 0; if (udc->pdata->vbus && udc->pdata->vbus->poll) @@ -2437,7 +2438,7 @@ static int mv_udc_resume(struct device *_dev) int retval; /* if OTG is enabled, the following will be done in OTG driver*/ - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return 0; if (!udc->clock_gating) { diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index b26c7d68cc0..d7df89e72ef 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -35,6 +35,7 @@ #include <linux/usb/otg.h> #include <linux/dma-mapping.h> #include <linux/clk.h> +#include <linux/err.h> #include <linux/prefetch.h> #include <linux/io.h> @@ -1152,7 +1153,7 @@ static int omap_wakeup(struct usb_gadget *gadget) /* NOTE: non-OTG systems may use SRP TOO... */ } else if (!(udc->devstat & UDC_ATT)) { - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) retval = otg_start_srp(udc->transceiver->otg); } spin_unlock_irqrestore(&udc->lock, flags); @@ -1284,7 +1285,7 @@ static int omap_vbus_draw(struct usb_gadget *gadget, unsigned mA) struct omap_udc *udc; udc = container_of(gadget, struct omap_udc, gadget); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return usb_phy_set_power(udc->transceiver, mA); return -EOPNOTSUPP; } @@ -1734,12 +1735,12 @@ static void devstate_irq(struct omap_udc *udc, u16 irq_src) if (devstat & UDC_ATT) { udc->gadget.speed = USB_SPEED_FULL; VDBG("connect\n"); - if (!udc->transceiver) + if (IS_ERR_OR_NULL(udc->transceiver)) pullup_enable(udc); /* if (driver->connect) call it */ } else if (udc->gadget.speed != USB_SPEED_UNKNOWN) { udc->gadget.speed = USB_SPEED_UNKNOWN; - if (!udc->transceiver) + if (IS_ERR_OR_NULL(udc->transceiver)) pullup_disable(udc); DBG("disconnect, gadget %s\n", udc->driver->driver.name); @@ -1779,12 +1780,12 @@ static void devstate_irq(struct omap_udc *udc, u16 irq_src) udc->driver->suspend(&udc->gadget); spin_lock(&udc->lock); } - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) usb_phy_set_suspend( udc->transceiver, 1); } else { VDBG("resume\n"); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) usb_phy_set_suspend( udc->transceiver, 0); if (udc->gadget.speed == USB_SPEED_FULL @@ -2092,7 +2093,7 @@ static int omap_udc_start(struct usb_gadget_driver *driver, omap_writew(UDC_IRQ_SRC_MASK, UDC_IRQ_SRC); /* connect to bus through transceiver */ - if (udc->transceiver) { + if (!IS_ERR_OR_NULL(udc->transceiver)) { status = otg_set_peripheral(udc->transceiver->otg, &udc->gadget); if (status < 0) { @@ -2139,7 +2140,7 @@ static int omap_udc_stop(struct usb_gadget_driver *driver) if (machine_without_vbus_sense()) omap_vbus_session(&udc->gadget, 0); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) (void) otg_set_peripheral(udc->transceiver->otg, NULL); else pullup_disable(udc); @@ -2829,8 +2830,8 @@ static int __devinit omap_udc_probe(struct platform_device *pdev) * use it. Except for OTG, we don't _need_ to talk to one; * but not having one probably means no VBUS detection. */ - xceiv = usb_get_transceiver(); - if (xceiv) + xceiv = usb_get_phy(USB_PHY_TYPE_USB2); + if (!IS_ERR_OR_NULL(xceiv)) type = xceiv->label; else if (config->otg) { DBG("OTG requires external transceiver!\n"); @@ -2854,7 +2855,7 @@ static int __devinit omap_udc_probe(struct platform_device *pdev) case 16: case 19: case 25: - if (!xceiv) { + if (IS_ERR_OR_NULL(xceiv)) { DBG("external transceiver not registered!\n"); type = "unknown"; } @@ -2956,8 +2957,8 @@ cleanup1: udc = NULL; cleanup0: - if (xceiv) - usb_put_transceiver(xceiv); + if (!IS_ERR_OR_NULL(xceiv)) + usb_put_phy(xceiv); if (cpu_is_omap16xx() || cpu_is_omap7xx()) { clk_disable(hhc_clk); @@ -2986,8 +2987,8 @@ static int __devexit omap_udc_remove(struct platform_device *pdev) udc->done = &done; pullup_disable(udc); - if (udc->transceiver) { - usb_put_transceiver(udc->transceiver); + if (!IS_ERR_OR_NULL(udc->transceiver)) { + usb_put_phy(udc->transceiver); udc->transceiver = NULL; } omap_writew(0, UDC_SYSCON1); diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index f7ff9e8e746..53c093b941e 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -21,6 +21,7 @@ #include <linux/ioport.h> #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/init.h> @@ -993,7 +994,7 @@ static int pxa25x_udc_vbus_draw(struct usb_gadget *_gadget, unsigned mA) udc = container_of(_gadget, struct pxa25x_udc, gadget); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return usb_phy_set_power(udc->transceiver, mA); return -EOPNOTSUPP; } @@ -1299,7 +1300,7 @@ fail: DMSG("registered gadget driver '%s'\n", driver->driver.name); /* connect to bus through transceiver */ - if (dev->transceiver) { + if (!IS_ERR_OR_NULL(dev->transceiver)) { retval = otg_set_peripheral(dev->transceiver->otg, &dev->gadget); if (retval) { @@ -1359,7 +1360,7 @@ static int pxa25x_stop(struct usb_gadget_driver *driver) stop_activity(dev, driver); local_irq_enable(); - if (dev->transceiver) + if (!IS_ERR_OR_NULL(dev->transceiver)) (void) otg_set_peripheral(dev->transceiver->otg, NULL); driver->unbind(&dev->gadget); @@ -2159,7 +2160,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev) dev->dev = &pdev->dev; dev->mach = pdev->dev.platform_data; - dev->transceiver = usb_get_transceiver(); + dev->transceiver = usb_get_phy(USB_PHY_TYPE_USB2); if (gpio_is_valid(dev->mach->gpio_pullup)) { if ((retval = gpio_request(dev->mach->gpio_pullup, @@ -2237,8 +2238,8 @@ lubbock_fail0: if (gpio_is_valid(dev->mach->gpio_pullup)) gpio_free(dev->mach->gpio_pullup); err_gpio_pullup: - if (dev->transceiver) { - usb_put_transceiver(dev->transceiver); + if (!IS_ERR_OR_NULL(dev->transceiver)) { + usb_put_phy(dev->transceiver); dev->transceiver = NULL; } clk_put(dev->clk); @@ -2279,8 +2280,8 @@ static int __exit pxa25x_udc_remove(struct platform_device *pdev) clk_put(dev->clk); - if (dev->transceiver) { - usb_put_transceiver(dev->transceiver); + if (!IS_ERR_OR_NULL(dev->transceiver)) { + usb_put_phy(dev->transceiver); dev->transceiver = NULL; } diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index 98acb3ab9e1..644b4305cb9 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/list.h> @@ -1573,7 +1574,7 @@ static int should_enable_udc(struct pxa_udc *udc) int put_on; put_on = ((udc->pullup_on) && (udc->driver)); - put_on &= ((udc->vbus_sensed) || (!udc->transceiver)); + put_on &= ((udc->vbus_sensed) || (IS_ERR_OR_NULL(udc->transceiver))); return put_on; } @@ -1594,7 +1595,7 @@ static int should_disable_udc(struct pxa_udc *udc) int put_off; put_off = ((!udc->pullup_on) || (!udc->driver)); - put_off |= ((!udc->vbus_sensed) && (udc->transceiver)); + put_off |= ((!udc->vbus_sensed) && (!IS_ERR_OR_NULL(udc->transceiver))); return put_off; } @@ -1665,7 +1666,7 @@ static int pxa_udc_vbus_draw(struct usb_gadget *_gadget, unsigned mA) struct pxa_udc *udc; udc = to_gadget_udc(_gadget); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return usb_phy_set_power(udc->transceiver, mA); return -EOPNOTSUPP; } @@ -1834,7 +1835,7 @@ static int pxa27x_udc_start(struct usb_gadget_driver *driver, dev_dbg(udc->dev, "registered gadget driver '%s'\n", driver->driver.name); - if (udc->transceiver) { + if (!IS_ERR_OR_NULL(udc->transceiver)) { retval = otg_set_peripheral(udc->transceiver->otg, &udc->gadget); if (retval) { @@ -1908,7 +1909,7 @@ static int pxa27x_udc_stop(struct usb_gadget_driver *driver) dev_info(udc->dev, "unregistered gadget driver '%s'\n", driver->driver.name); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return otg_set_peripheral(udc->transceiver->otg, NULL); return 0; } @@ -2464,7 +2465,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev) udc->dev = &pdev->dev; udc->mach = pdev->dev.platform_data; - udc->transceiver = usb_get_transceiver(); + udc->transceiver = usb_get_phy(USB_PHY_TYPE_USB2); gpio = udc->mach->gpio_pullup; if (gpio_is_valid(gpio)) { @@ -2543,7 +2544,7 @@ static int __exit pxa_udc_remove(struct platform_device *_dev) if (gpio_is_valid(gpio)) gpio_free(gpio); - usb_put_transceiver(udc->transceiver); + usb_put_phy(udc->transceiver); udc->transceiver = NULL; platform_set_drvdata(_dev, NULL); diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c index 236b271871a..e26a4e7ed2b 100644 --- a/drivers/usb/gadget/s3c-hsudc.c +++ b/drivers/usb/gadget/s3c-hsudc.c @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/slab.h> #include <linux/clk.h> +#include <linux/err.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/otg.h> @@ -1165,7 +1166,7 @@ static int s3c_hsudc_start(struct usb_gadget *gadget, } /* connect to bus through transceiver */ - if (hsudc->transceiver) { + if (!IS_ERR_OR_NULL(hsudc->transceiver)) { ret = otg_set_peripheral(hsudc->transceiver->otg, &hsudc->gadget); if (ret) { @@ -1220,7 +1221,7 @@ static int s3c_hsudc_stop(struct usb_gadget *gadget, s3c_hsudc_stop_activity(hsudc); spin_unlock_irqrestore(&hsudc->lock, flags); - if (hsudc->transceiver) + if (!IS_ERR_OR_NULL(hsudc->transceiver)) (void) otg_set_peripheral(hsudc->transceiver->otg, NULL); disable_irq(hsudc->irq); @@ -1249,7 +1250,7 @@ static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA) if (!hsudc) return -ENODEV; - if (hsudc->transceiver) + if (!IS_ERR_OR_NULL(hsudc->transceiver)) return usb_phy_set_power(hsudc->transceiver, mA); return -EOPNOTSUPP; @@ -1282,7 +1283,7 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev) hsudc->dev = dev; hsudc->pd = pdev->dev.platform_data; - hsudc->transceiver = usb_get_transceiver(); + hsudc->transceiver = usb_get_phy(USB_PHY_TYPE_USB2); for (i = 0; i < ARRAY_SIZE(hsudc->supplies); i++) hsudc->supplies[i].supply = s3c_hsudc_supply_names[i]; @@ -1385,8 +1386,8 @@ err_irq: err_remap: release_mem_region(res->start, resource_size(res)); err_res: - if (hsudc->transceiver) - usb_put_transceiver(hsudc->transceiver); + if (!IS_ERR_OR_NULL(hsudc->transceiver)) + usb_put_phy(hsudc->transceiver); regulator_bulk_free(ARRAY_SIZE(hsudc->supplies), hsudc->supplies); err_supplies: |