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path: root/drivers/usb/host/bcma-hcd.c
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Diffstat (limited to 'drivers/usb/host/bcma-hcd.c')
-rw-r--r--drivers/usb/host/bcma-hcd.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c
index 652fa29beb27..519386255886 100644
--- a/drivers/usb/host/bcma-hcd.c
+++ b/drivers/usb/host/bcma-hcd.c
@@ -25,7 +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>
@@ -168,7 +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
@@ -261,7 +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)
@@ -285,7 +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);
@@ -406,12 +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);
- if (IS_ERR(usb_dev->gpio_desc))
- return PTR_ERR(usb_dev->gpio_desc);
- }
+ 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:
@@ -498,15 +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);