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path: root/drivers/usb/gadget/udc/at91_udc.c
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Diffstat (limited to 'drivers/usb/gadget/udc/at91_udc.c')
-rw-r--r--drivers/usb/gadget/udc/at91_udc.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c
index 922b4187004b..42b94d858e37 100644
--- a/drivers/usb/gadget/udc/at91_udc.c
+++ b/drivers/usb/gadget/udc/at91_udc.c
@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/interrupt.h>
@@ -131,7 +132,7 @@ static void proc_ep_show(struct seq_file *s, struct at91_ep *ep)
seq_printf(s, "csr %08x rxbytes=%d %s %s %s" EIGHTBITS "\n",
csr,
(csr & 0x07ff0000) >> 16,
- (csr & (1 << 15)) ? "enabled" : "disabled",
+ str_enabled_disabled(csr & (1 << 15)),
(csr & (1 << 11)) ? "DATA1" : "DATA0",
types[(csr & 0x700) >> 8],
@@ -1540,7 +1541,7 @@ static void at91_vbus_timer_work(struct work_struct *work)
static void at91_vbus_timer(struct timer_list *t)
{
- struct at91_udc *udc = from_timer(udc, t, vbus_timer);
+ struct at91_udc *udc = timer_container_of(udc, t, vbus_timer);
/*
* If we are polling vbus it is likely that the gpio is on an
@@ -1924,7 +1925,7 @@ err_unprepare_fclk:
return retval;
}
-static int at91udc_remove(struct platform_device *pdev)
+static void at91udc_remove(struct platform_device *pdev)
{
struct at91_udc *udc = platform_get_drvdata(pdev);
unsigned long flags;
@@ -1932,8 +1933,11 @@ static int at91udc_remove(struct platform_device *pdev)
DBG("remove\n");
usb_del_gadget_udc(&udc->gadget);
- if (udc->driver)
- return -EBUSY;
+ if (udc->driver) {
+ dev_err(&pdev->dev,
+ "Driver still in use but removing anyhow\n");
+ return;
+ }
spin_lock_irqsave(&udc->lock, flags);
pullup(udc, 0);
@@ -1943,8 +1947,6 @@ static int at91udc_remove(struct platform_device *pdev)
remove_debug_file(udc);
clk_unprepare(udc->fclk);
clk_unprepare(udc->iclk);
-
- return 0;
}
#ifdef CONFIG_PM
@@ -2000,6 +2002,7 @@ static int at91udc_resume(struct platform_device *pdev)
#endif
static struct platform_driver at91_udc_driver = {
+ .probe = at91udc_probe,
.remove = at91udc_remove,
.shutdown = at91udc_shutdown,
.suspend = at91udc_suspend,
@@ -2010,7 +2013,7 @@ static struct platform_driver at91_udc_driver = {
},
};
-module_platform_driver_probe(at91_udc_driver, at91udc_probe);
+module_platform_driver(at91_udc_driver);
MODULE_DESCRIPTION("AT91 udc driver");
MODULE_AUTHOR("Thomas Rathbone, David Brownell");