Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 143d53e1 authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi
Browse files

usb: gadget: printer: add container_of helper for printer_dev 



5 uses of container_of() in the same context justify wrapping it
in a static inline function.

Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 8fe20f66

drivers/usb/gadget/legacy/printer.c

+10 −5
Original line number Diff line number Diff line
@@ -89,6 +89,11 @@ struct printer_dev { 
	struct usb_function	function;

};



static inline struct printer_dev *func_to_printer(struct usb_function *f)

{

	return container_of(f, struct printer_dev, function);

}



static struct printer_dev usb_printer_gadget;



/*-------------------------------------------------------------------------*/
@@ -973,7 +978,7 @@ static void printer_soft_reset(struct printer_dev *dev) 
static int printer_func_setup(struct usb_function *f,

		const struct usb_ctrlrequest *ctrl)

{

	struct printer_dev *dev = container_of(f, struct printer_dev, function);

	struct printer_dev *dev = func_to_printer(f);

	struct usb_composite_dev *cdev = f->config->cdev;

	struct usb_request	*req = cdev->req;

	int			value = -EOPNOTSUPP;
@@ -1047,7 +1052,7 @@ static int __init printer_func_bind(struct usb_configuration *c, 
		struct usb_function *f)

{

	struct usb_gadget *gadget = c->cdev->gadget;

	struct printer_dev *dev = container_of(f, struct printer_dev, function);

	struct printer_dev *dev = func_to_printer(f);

	struct device *pdev;

	struct usb_composite_dev *cdev = c->cdev;

	struct usb_ep *in_ep;
@@ -1159,7 +1164,7 @@ static void printer_func_unbind(struct usb_configuration *c, 
	struct printer_dev	*dev;

	struct usb_request	*req;



	dev = container_of(f, struct printer_dev, function);

	dev = func_to_printer(f);



	device_destroy(usb_gadget_class, g_printer_devno);
@@ -1200,7 +1205,7 @@ static void printer_func_unbind(struct usb_configuration *c, 
static int printer_func_set_alt(struct usb_function *f,

		unsigned intf, unsigned alt)

{

	struct printer_dev *dev = container_of(f, struct printer_dev, function);

	struct printer_dev *dev = func_to_printer(f);

	int ret = -ENOTSUPP;



	if (!alt)
@@ -1211,7 +1216,7 @@ static int printer_func_set_alt(struct usb_function *f, 


static void printer_func_disable(struct usb_function *f)

{

	struct printer_dev *dev = container_of(f, struct printer_dev, function);

	struct printer_dev *dev = func_to_printer(f);

	unsigned long		flags;



	DBG(dev, "%s\n", __func__);