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[5/7] usb: gadget: pxa25x_udc: fix deferred probe from __init

Message ID 1379946452-25649-6-git-send-email-jhovold@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Johan Hovold Sept. 23, 2013, 2:27 p.m. UTC 
Move probe out of __init section and don't use platform_driver_probe
which cannot be used with deferred probing.

Since commit e9354576 ("gpiolib: Defer failed gpio requests by default")
this driver might return -EPROBE_DEFER if a gpio_request fails.

Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
---
 drivers/usb/gadget/pxa25x_udc.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index cc92074..0ac6064 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -2054,7 +2054,7 @@  static struct pxa25x_udc memory = {
 /*
  *	probe - binds to the platform device
  */
-static int __init pxa25x_udc_probe(struct platform_device *pdev)
+static int pxa25x_udc_probe(struct platform_device *pdev)
 {
 	struct pxa25x_udc *dev = &memory;
 	int retval, irq;
@@ -2203,7 +2203,7 @@  static void pxa25x_udc_shutdown(struct platform_device *_dev)
 	pullup_off();
 }
 
-static int __exit pxa25x_udc_remove(struct platform_device *pdev)
+static int pxa25x_udc_remove(struct platform_device *pdev)
 {
 	struct pxa25x_udc *dev = platform_get_drvdata(pdev);
 
@@ -2294,7 +2294,8 @@  static int pxa25x_udc_resume(struct platform_device *dev)
 
 static struct platform_driver udc_driver = {
 	.shutdown	= pxa25x_udc_shutdown,
-	.remove		= __exit_p(pxa25x_udc_remove),
+	.probe		= pxa25x_udc_probe,
+	.remove		= pxa25x_udc_remove,
 	.suspend	= pxa25x_udc_suspend,
 	.resume		= pxa25x_udc_resume,
 	.driver		= {
@@ -2303,7 +2304,7 @@  static struct platform_driver udc_driver = {
 	},
 };
 
-module_platform_driver_probe(udc_driver, pxa25x_udc_probe);
+module_platform_driver(udc_driver);
 
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell");