[PATCH 1/7] USB: gadget: atmel_usba: move global struct usba_ep usba_ep to struct usba_udc

[Jean-Christophe PLAGNIOL-VILLARD]

so we can have multiple usb gadget instance

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.fe...@atmel.com>
Cc: linux-usb@vger.kernel.org
---
 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 <linux/debugfs.h>
@@ -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;
 
-- 
1.7.10.4

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