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usb: gadget: s3c-hsudc: remove the_controller global 

Instead use container_of to retrieve the s3c_hsudc from the
struct usb_gadget pointer.

[ balbi@ti.com : changed verbose container_of() into
	an already provided helper 'to_hsudc()' ]

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Heiko Stübner 2011-12-19 19:43:35 +01:00 committed by Felipe Balbi
parent dee19be7d8
commit 922be95a3f
1 changed files with 3 additions and 5 deletions
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8
drivers/usb/gadget/s3c-hsudc.c
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@ -161,7 +161,6 @@ struct s3c_hsudc {
#define ep_index(_ep) ((_ep)->bEndpointAddress & \
USB_ENDPOINT_NUMBER_MASK)
static struct s3c_hsudc *the_controller;
static const char driver_name[] = "s3c-udc";
static const char ep0name[] = "ep0-control";
@ -1141,7 +1140,7 @@ static irqreturn_t s3c_hsudc_irq(int irq, void *_dev)
static int s3c_hsudc_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
struct s3c_hsudc *hsudc = the_controller;
struct s3c_hsudc *hsudc = to_hsudc(gadget);
int ret;
if (!driver
@ -1195,7 +1194,7 @@ err_supplies:
static int s3c_hsudc_stop(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
struct s3c_hsudc *hsudc = the_controller;
struct s3c_hsudc *hsudc = to_hsudc(gadget);
unsigned long flags;
if (!hsudc)
@ -1238,7 +1237,7 @@ static int s3c_hsudc_gadget_getframe(struct usb_gadget *gadget)
static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA)
{
struct s3c_hsudc *hsudc = the_controller;
struct s3c_hsudc *hsudc = to_hsudc(gadget);
if (!hsudc)
return -ENODEV;
@ -1272,7 +1271,6 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev)
return -ENOMEM;
}
the_controller = hsudc;
platform_set_drvdata(pdev, dev);
hsudc->dev = dev;
hsudc->pd = pdev->dev.platform_data;