Merge branch 'next' of git://git.denx.de/u-boot-mpc83xx

[u-boot] / drivers / usb / gadget / s3c_udc_otg.c

diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c
index 1050a98b6cd9601d184e7257f32249361d105c2a..7e2020915e0b359a6504c8e34a73de32aae6f108 100644 (file)
--- a/drivers/usb/gadget/s3c_udc_otg.c
+++ b/drivers/usb/gadget/s3c_udc_otg.c
@@ -15,22 +15,9 @@
  * Marek Szyprowski <m.szyprowski@samsung.com>
  * Lukasz Majewski <l.majewski@samsumg.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
+ * SPDX-License-Identifier:    GPL-2.0+
  */
-
+#undef DEBUG
 #include <common.h>
 #include <asm/errno.h>
 #include <linux/list.h>
@@ -53,19 +40,11 @@
 
 #define OTG_DMA_MODE           1
 
-#undef DEBUG_S3C_UDC_SETUP
-#undef DEBUG_S3C_UDC_EP0
-#undef DEBUG_S3C_UDC_ISR
-#undef DEBUG_S3C_UDC_OUT_EP
-#undef DEBUG_S3C_UDC_IN_EP
-#undef DEBUG_S3C_UDC
-
-/* #define DEBUG_S3C_UDC_SETUP */
-/* #define DEBUG_S3C_UDC_EP0 */
-/* #define DEBUG_S3C_UDC_ISR */
-/* #define DEBUG_S3C_UDC_OUT_EP */
-/* #define DEBUG_S3C_UDC_IN_EP */
-/* #define DEBUG_S3C_UDC */
+#define DEBUG_SETUP 0
+#define DEBUG_EP0 0
+#define DEBUG_ISR 0
+#define DEBUG_OUT_EP 0
+#define DEBUG_IN_EP 0
 
 #include <usb/s3c_udc.h>
 
@@ -132,6 +111,19 @@ static void nuke(struct s3c_ep *ep, int status);
 static int s3c_udc_set_halt(struct usb_ep *_ep, int value);
 static void s3c_udc_set_nak(struct s3c_ep *ep);
 
+void set_udc_gadget_private_data(void *p)
+{
+       debug_cond(DEBUG_SETUP != 0,
+                  "%s: the_controller: 0x%p, p: 0x%p\n", __func__,
+                  the_controller, p);
+       the_controller->gadget.dev.device_data = p;
+}
+
+void *get_udc_gadget_private_data(struct usb_gadget *gadget)
+{
+       return gadget->dev.device_data;
+}
+
 static struct usb_ep_ops s3c_ep_ops = {
        .enable = s3c_ep_enable,
        .disable = s3c_ep_disable,
@@ -216,7 +208,7 @@ void otg_phy_off(struct s3c_udc *dev)
  */
 static void udc_disable(struct s3c_udc *dev)
 {
-       DEBUG_SETUP("%s: %p\n", __func__, dev);
+       debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
 
        udc_set_address(dev, 0);
 
@@ -234,7 +226,7 @@ static void udc_reinit(struct s3c_udc *dev)
 {
        unsigned int i;
 
-       DEBUG_SETUP("%s: %p\n", __func__, dev);
+       debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
 
        /* device/ep0 records init */
        INIT_LIST_HEAD(&dev->gadget.ep_list);
@@ -265,12 +257,13 @@ static void udc_reinit(struct s3c_udc *dev)
  */
 static int udc_enable(struct s3c_udc *dev)
 {
-       DEBUG_SETUP("%s: %p\n", __func__, dev);
+       debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
 
        otg_phy_init(dev);
        reconfig_usbd();
 
-       DEBUG_SETUP("S3C USB 2.0 OTG Controller Core Initialized : 0x%x\n",
+       debug_cond(DEBUG_SETUP != 0,
+                  "S3C USB 2.0 OTG Controller Core Initialized : 0x%x\n",
                    readl(&reg->gintmsk));
 
        dev->gadget.speed = USB_SPEED_UNKNOWN;
@@ -287,7 +280,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
        int retval = 0;
        unsigned long flags;
 
-       DEBUG_SETUP("%s: %s\n", __func__, "no name");
+       debug_cond(DEBUG_SETUP != 0, "%s: %s\n", __func__, "no name");
 
        if (!driver
            || (driver->speed != USB_SPEED_FULL
@@ -311,7 +304,8 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 
        retval = driver->bind(&dev->gadget);
        if (retval) {
-               DEBUG_SETUP("%s: bind to driver --> error %d\n",
+               debug_cond(DEBUG_SETUP != 0,
+                          "%s: bind to driver --> error %d\n",
                            dev->gadget.name, retval);
                dev->driver = 0;
                return retval;
@@ -319,7 +313,8 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 
        enable_irq(IRQ_OTG);
 
-       DEBUG_SETUP("Registered gadget driver %s\n", dev->gadget.name);
+       debug_cond(DEBUG_SETUP != 0,
+                  "Registered gadget driver %s\n", dev->gadget.name);
        udc_enable(dev);
 
        return 0;
@@ -377,7 +372,7 @@ static void done(struct s3c_ep *ep, struct s3c_request *req, int status)
        /* don't modify queue heads during completion callback */
        ep->stopped = 1;
 
-#ifdef DEBUG_S3C_UDC
+#ifdef DEBUG
        printf("calling complete callback\n");
        {
                int i, len = req->req.length;
@@ -671,7 +666,7 @@ static struct usb_request *s3c_alloc_request(struct usb_ep *ep,
 
        debug("%s: %s %p\n", __func__, ep->name, ep);
 
-       req = kmalloc(sizeof *req, gfp_flags);
+       req = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*req));
        if (!req)
                return 0;
 
@@ -865,7 +860,8 @@ int s3c_udc_probe(struct s3c_plat_otg_data *pdata)
        the_controller = dev;
 
        for (i = 0; i < S3C_MAX_ENDPOINTS+1; i++) {
-               dev->dma_buf[i] = kmalloc(DMA_BUFFER_SIZE, GFP_KERNEL);
+               dev->dma_buf[i] = memalign(CONFIG_SYS_CACHELINE_SIZE,
+                                          DMA_BUFFER_SIZE);
                dev->dma_addr[i] = (dma_addr_t) dev->dma_buf[i];
                invalidate_dcache_range((unsigned long) dev->dma_buf[i],
                                        (unsigned long) (dev->dma_buf[i]