From 68522de70e4b08445c10cded43c08b016ebda538 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Mon, 20 May 2013 22:36:23 +0800 Subject: [PATCH] USB: gadget: atmel_usba: move global struct usba_ep usba_ep to struct usba_udc so we can have multiple usb gadget instance Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Felipe Balbi Acked-by: Nicolas Ferre Tested-by: Bo Shen --- drivers/usb/gadget/atmel_usba_udc.c | 20 +++++++++++--------- drivers/usb/gadget/atmel_usba_udc.h | 1 + 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index f2a970f..d2ffd04 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -29,7 +29,6 @@ static struct usba_udc the_udc; -static struct usba_ep *usba_ep; #ifdef CONFIG_USB_GADGET_DEBUG_FS #include @@ -1147,7 +1146,7 @@ static int do_test_mode(struct usba_udc *udc) * Test_SE0_NAK: Force high-speed mode and set up ep0 * for Bulk IN transfers */ - ep = &usba_ep[0]; + ep = &udc->usba_ep[0]; usba_writel(udc, TST, USBA_BF(SPEED_CFG, USBA_SPEED_CFG_FORCE_HIGH)); usba_ep_writel(ep, CFG, @@ -1165,7 +1164,7 @@ static int do_test_mode(struct usba_udc *udc) break; case 0x0400: /* Test_Packet */ - ep = &usba_ep[0]; + ep = &udc->usba_ep[0]; usba_ep_writel(ep, CFG, USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64) | USBA_EPT_DIR_IN @@ -1668,7 +1667,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) for (i = 1; i < USBA_NR_ENDPOINTS; i++) if (dma_status & (1 << i)) - usba_dma_irq(udc, &usba_ep[i]); + usba_dma_irq(udc, &udc->usba_ep[i]); } ep_status = USBA_BFEXT(EPT_INT, status); @@ -1677,10 +1676,10 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) for (i = 0; i < USBA_NR_ENDPOINTS; i++) if (ep_status & (1 << i)) { - if (ep_is_control(&usba_ep[i])) - usba_control_irq(udc, &usba_ep[i]); + if (ep_is_control(&udc->usba_ep[i])) + usba_control_irq(udc, &udc->usba_ep[i]); else - usba_ep_irq(udc, &usba_ep[i]); + usba_ep_irq(udc, &udc->usba_ep[i]); } } @@ -1705,7 +1704,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) DBG(DBG_BUS, "%s bus reset detected\n", usb_speed_string(udc->gadget.speed)); - ep0 = &usba_ep[0]; + ep0 = &udc->usba_ep[0]; ep0->ep.desc = &usba_ep0_desc; ep0->state = WAIT_FOR_SETUP; usba_ep_writel(ep0, CFG, @@ -1841,6 +1840,7 @@ static int __init usba_udc_probe(struct platform_device *pdev) struct resource *regs, *fifo; struct clk *pclk, *hclk; struct usba_udc *udc = &the_udc; + static struct usba_ep *usba_ep; int irq, ret, i; regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID); @@ -1896,6 +1896,8 @@ static int __init usba_udc_probe(struct platform_device *pdev) if (!usba_ep) goto err_alloc_ep; + udc->usba_ep = usba_ep; + the_udc.gadget.ep0 = &usba_ep[0].ep; INIT_LIST_HEAD(&usba_ep[0].ep.ep_list); @@ -2008,7 +2010,7 @@ static int __exit usba_udc_remove(struct platform_device *pdev) usb_del_gadget_udc(&udc->gadget); for (i = 1; i < pdata->num_ep; i++) - usba_ep_cleanup_debugfs(&usba_ep[i]); + usba_ep_cleanup_debugfs(&udc->usba_ep[i]); usba_cleanup_debugfs(udc); if (gpio_is_valid(udc->vbus_pin)) { diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h index d65a618..0841986 100644 --- a/drivers/usb/gadget/atmel_usba_udc.h +++ b/drivers/usb/gadget/atmel_usba_udc.h @@ -319,6 +319,7 @@ struct usba_udc { int vbus_pin_inverted; struct clk *pclk; struct clk *hclk; + struct usba_ep *usba_ep; u16 devstatus; -- 2.7.4