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usb: gadget: at91_udc: Allocate udc instance

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Allocate udc structure instead of relying on the statically declared
object.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Boris Brezillon 2015-01-14 17:22:04 +01:00 committed by Nicolas Ferre
parent 62b986cfa9
commit a5514d142e
1 changed files with 26 additions and 70 deletions
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96
drivers/usb/gadget/udc/at91_udc.c
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@ -59,7 +59,15 @@
#define DRIVER_VERSION "3 May 2006"
static const char driver_name [] = "at91_udc";
static const char ep0name[] = "ep0";
static const char * const ep_names[] = {
"ep0",
"ep1",
"ep2",
"ep3-int",
"ep4",
"ep5",
};
#define ep0name ep_names[0]
#define VBUS_POLL_TIMEOUT msecs_to_jiffies(1000)
@ -1497,74 +1505,6 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
/*-------------------------------------------------------------------------*/
static struct at91_udc controller = {
.gadget = {
.ops = &at91_udc_ops,
.ep0 = &controller.ep[0].ep,
.name = driver_name,
},
.ep[0] = {
.ep = {
.name = ep0name,
.ops = &at91_ep_ops,
},
.udc = &controller,
.maxpacket = 8,
.int_mask = 1 << 0,
},
.ep[1] = {
.ep = {
.name = "ep1",
.ops = &at91_ep_ops,
},
.udc = &controller,
.is_pingpong = 1,
.maxpacket = 64,
.int_mask = 1 << 1,
},
.ep[2] = {
.ep = {
.name = "ep2",
.ops = &at91_ep_ops,
},
.udc = &controller,
.is_pingpong = 1,
.maxpacket = 64,
.int_mask = 1 << 2,
},
.ep[3] = {
.ep = {
/* could actually do bulk too */
.name = "ep3-int",
.ops = &at91_ep_ops,
},
.udc = &controller,
.maxpacket = 8,
.int_mask = 1 << 3,
},
.ep[4] = {
.ep = {
.name = "ep4",
.ops = &at91_ep_ops,
},
.udc = &controller,
.is_pingpong = 1,
.maxpacket = 256,
.int_mask = 1 << 4,
},
.ep[5] = {
.ep = {
.name = "ep5",
.ops = &at91_ep_ops,
},
.udc = &controller,
.is_pingpong = 1,
.maxpacket = 256,
.int_mask = 1 << 5,
},
/* ep6 and ep7 are also reserved (custom silicon might use them) */
};
static void at91_vbus_update(struct at91_udc *udc, unsigned value)
{
value ^= udc->board.vbus_active_low;
@ -1872,15 +1812,31 @@ static int at91udc_probe(struct platform_device *pdev)
struct at91_ep *ep;
int i;
udc = devm_kzalloc(dev, sizeof(*udc), GFP_KERNEL);
if (!udc)
return -ENOMEM;
/* init software state */
udc = &controller;
udc->gadget.dev.parent = dev;
at91udc_of_init(udc, pdev->dev.of_node);
udc->pdev = pdev;
udc->enabled = 0;
spin_lock_init(&udc->lock);
udc->gadget.ops = &at91_udc_ops;
udc->gadget.ep0 = &udc->ep[0].ep;
udc->gadget.name = driver_name;
udc->gadget.dev.init_name = "gadget";
for (i = 0; i < NUM_ENDPOINTS; i++) {
ep = &udc->ep[i];
ep->ep.name = ep_names[i];
ep->ep.ops = &at91_ep_ops;
ep->udc = udc;
ep->int_mask = BIT(i);
if (i != 0 && i != 3)
ep->is_pingpong = 1;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
udc->udp_baseaddr = devm_ioremap_resource(dev, res);