diff options
Diffstat (limited to 'drivers/usb/host/fhci-hcd.c')
| -rw-r--r-- | drivers/usb/host/fhci-hcd.c | 80 |
1 files changed, 26 insertions, 54 deletions
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index a8e1048278d0..22a0942f0bce 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -22,11 +22,12 @@ #include <linux/io.h> #include <linux/usb.h> #include <linux/usb/hcd.h> +#include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> -#include <linux/of_platform.h> -#include <linux/of_gpio.h> +#include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/gpio/consumer.h> #include <soc/fsl/qe/qe.h> #include <asm/fsl_gtm.h> #include "fhci.h" @@ -150,15 +151,15 @@ int fhci_ioports_check_bus_state(struct fhci_hcd *fhci) u8 bits = 0; /* check USBOE,if transmitting,exit */ - if (!gpio_get_value(fhci->gpios[GPIO_USBOE])) + if (!gpiod_get_value(fhci->gpiods[GPIO_USBOE])) return -1; /* check USBRP */ - if (gpio_get_value(fhci->gpios[GPIO_USBRP])) + if (gpiod_get_value(fhci->gpiods[GPIO_USBRP])) bits |= 0x2; /* check USBRN */ - if (gpio_get_value(fhci->gpios[GPIO_USBRN])) + if (gpiod_get_value(fhci->gpiods[GPIO_USBRN])) bits |= 0x1; return bits; @@ -408,8 +409,7 @@ static int fhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, size++; else if ((urb->transfer_flags & URB_ZERO_PACKET) != 0 && (urb->transfer_buffer_length - % usb_maxpacket(urb->dev, pipe, - usb_pipeout(pipe))) != 0) + % usb_maxpacket(urb->dev, pipe)) != 0) size++; break; case PIPE_ISOCHRONOUS: @@ -631,45 +631,28 @@ static int of_fhci_probe(struct platform_device *ofdev) /* GPIOs and pins */ for (i = 0; i < NUM_GPIOS; i++) { - int gpio; - enum of_gpio_flags flags; - - gpio = of_get_gpio_flags(node, i, &flags); - fhci->gpios[i] = gpio; - fhci->alow_gpios[i] = flags & OF_GPIO_ACTIVE_LOW; - - if (!gpio_is_valid(gpio)) { - if (i < GPIO_SPEED) { - dev_err(dev, "incorrect GPIO%d: %d\n", - i, gpio); - goto err_gpios; - } else { - dev_info(dev, "assuming board doesn't have " - "%s gpio\n", i == GPIO_SPEED ? - "speed" : "power"); - continue; - } - } + if (i < GPIO_SPEED) + fhci->gpiods[i] = devm_gpiod_get_index(dev, + NULL, i, GPIOD_IN); + + else + fhci->gpiods[i] = devm_gpiod_get_index_optional(dev, + NULL, i, GPIOD_OUT_LOW); - ret = gpio_request(gpio, dev_name(dev)); - if (ret) { - dev_err(dev, "failed to request gpio %d", i); + if (IS_ERR(fhci->gpiods[i])) { + dev_err(dev, "incorrect GPIO%d: %ld\n", + i, PTR_ERR(fhci->gpiods[i])); goto err_gpios; } - - if (i >= GPIO_SPEED) { - ret = gpio_direction_output(gpio, 0); - if (ret) { - dev_err(dev, "failed to set gpio %d as " - "an output\n", i); - i++; - goto err_gpios; - } + if (!fhci->gpiods[i]) { + dev_info(dev, "assuming board doesn't have " + "%s gpio\n", i == GPIO_SPEED ? + "speed" : "power"); } } for (j = 0; j < NUM_PINS; j++) { - fhci->pins[j] = qe_pin_request(node, j); + fhci->pins[j] = qe_pin_request(dev, j); if (IS_ERR(fhci->pins[j])) { ret = PTR_ERR(fhci->pins[j]); dev_err(dev, "can't get pin %d: %d\n", j, ret); @@ -694,7 +677,7 @@ static int of_fhci_probe(struct platform_device *ofdev) /* USB Host interrupt. */ usb_irq = irq_of_parse_and_map(node, 0); - if (usb_irq == NO_IRQ) { + if (!usb_irq) { dev_err(dev, "could not get usb irq\n"); ret = -EINVAL; goto err_usb_irq; @@ -767,10 +750,6 @@ err_pins: while (--j >= 0) qe_pin_free(fhci->pins[j]); err_gpios: - while (--i >= 0) { - if (gpio_is_valid(fhci->gpios[i])) - gpio_free(fhci->gpios[i]); - } cpm_muram_free(pram_addr); err_pram: iounmap(hcd->regs); @@ -779,32 +758,25 @@ err_regs: return ret; } -static int fhci_remove(struct device *dev) +static void fhci_remove(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); struct fhci_hcd *fhci = hcd_to_fhci(hcd); - int i; int j; usb_remove_hcd(hcd); free_irq(fhci->timer->irq, hcd); gtm_put_timer16(fhci->timer); cpm_muram_free(cpm_muram_offset(fhci->pram)); - for (i = 0; i < NUM_GPIOS; i++) { - if (!gpio_is_valid(fhci->gpios[i])) - continue; - gpio_free(fhci->gpios[i]); - } for (j = 0; j < NUM_PINS; j++) qe_pin_free(fhci->pins[j]); fhci_dfs_destroy(fhci); usb_put_hcd(hcd); - return 0; } -static int of_fhci_remove(struct platform_device *ofdev) +static void of_fhci_remove(struct platform_device *ofdev) { - return fhci_remove(&ofdev->dev); + fhci_remove(&ofdev->dev); } static const struct of_device_id of_fhci_match[] = { |
