diff options
Diffstat (limited to 'drivers/usb/host/bcma-hcd.c')
| -rw-r--r-- | drivers/usb/host/bcma-hcd.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 5f425c89faf1..519386255886 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Broadcom specific Advanced Microcontroller Bus * Broadcom USB-core driver (BCMA bus glue) @@ -16,8 +17,6 @@ * * Derived from the USBcore related parts of Broadcom-SB * Copyright 2005-2011 Broadcom Corporation - * - * Licensed under the GNU/GPL. See COPYING for details. */ #include <linux/bcma/bcma.h> #include <linux/delay.h> @@ -26,7 +25,6 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/of.h> -#include <linux/of_gpio.h> #include <linux/of_platform.h> #include <linux/usb/ehci_pdriver.h> #include <linux/usb/ohci_pdriver.h> @@ -169,7 +167,7 @@ static void bcma_hcd_init_chip_mips(struct bcma_device *dev) } } -/** +/* * bcma_hcd_usb20_old_arm_init - Initialize old USB 2.0 controller on ARM * * Old USB 2.0 core is identified as BCMA_CORE_USB20_HOST and was introduced @@ -262,7 +260,7 @@ static void bcma_hcd_usb20_ns_init_hc(struct bcma_device *dev) usleep_range(1000, 2000); } -/** +/* * bcma_hcd_usb20_ns_init - Initialize Northstar USB 2.0 controller */ static int bcma_hcd_usb20_ns_init(struct bcma_hcd_device *bcma_hcd) @@ -286,7 +284,7 @@ static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val) { struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev); - if (IS_ERR_OR_NULL(usb_dev->gpio_desc)) + if (!usb_dev->gpio_desc) return; gpiod_set_value(usb_dev->gpio_desc, val); @@ -407,9 +405,11 @@ static int bcma_hcd_probe(struct bcma_device *core) return -ENOMEM; usb_dev->core = core; - if (core->dev.of_node) - usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc", - GPIOD_OUT_HIGH); + usb_dev->gpio_desc = devm_gpiod_get_optional(&core->dev, "vcc", + GPIOD_OUT_HIGH); + if (IS_ERR(usb_dev->gpio_desc)) + return dev_err_probe(&core->dev, PTR_ERR(usb_dev->gpio_desc), + "error obtaining VCC GPIO"); switch (core->id.id) { case BCMA_CORE_USB20_HOST: @@ -496,15 +496,4 @@ static struct bcma_driver bcma_hcd_driver = { .suspend = bcma_hcd_suspend, .resume = bcma_hcd_resume, }; - -static int __init bcma_hcd_init(void) -{ - return bcma_driver_register(&bcma_hcd_driver); -} -module_init(bcma_hcd_init); - -static void __exit bcma_hcd_exit(void) -{ - bcma_driver_unregister(&bcma_hcd_driver); -} -module_exit(bcma_hcd_exit); +module_bcma_driver(bcma_hcd_driver); |