++ if (is_on)
++ at91_sys_write(AT91_CKGR_UCKR, uckr | AT91_PMC_BIASEN);
++ else
++ at91_sys_write(AT91_CKGR_UCKR, uckr & ~(AT91_PMC_BIASEN));
+ }
+
++#endif /* CONFIG_ARCH_AT91 */
++
+ static void next_fifo_transaction(struct usba_ep *ep, struct usba_request *req)
+ {
+ unsigned int transaction_len;
+@@ -387,7 +364,7 @@
+ ep->ep.name, req, transaction_len,
+ req->last_transaction ? ", done" : "");
+
+- copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len);
++ memcpy_toio(ep->fifo, req->req.buf + req->req.actual, transaction_len);
+ usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
+ req->req.actual += transaction_len;
+ }
+@@ -476,7 +453,7 @@
+ bytecount = req->req.length - req->req.actual;
+ }
+
+- copy_from_fifo(req->req.buf + req->req.actual,
++ memcpy_fromio(req->req.buf + req->req.actual,
+ ep->fifo, bytecount);
+ req->req.actual += bytecount;
+
+@@ -1029,33 +1006,6 @@
+ .set_selfpowered = usba_udc_set_selfpowered,
+ };
+
+-#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
+-{ \
+- .ep = { \
+- .ops = &usba_ep_ops, \
+- .name = nam, \
+- .maxpacket = maxpkt, \
+- }, \
+- .udc = &the_udc, \
+- .queue = LIST_HEAD_INIT(usba_ep[idx].queue), \
+- .fifo_size = maxpkt, \
+- .nr_banks = maxbk, \
+- .index = idx, \
+- .can_dma = dma, \
+- .can_isoc = isoc, \
+-}
+-
+-static struct usba_ep usba_ep[] = {
+- EP("ep0", 0, 64, 1, 0, 0),
+- EP("ep1in-bulk", 1, 512, 2, 1, 1),
+- EP("ep2out-bulk", 2, 512, 2, 1, 1),
+- EP("ep3in-int", 3, 64, 3, 1, 0),
+- EP("ep4out-int", 4, 64, 3, 1, 0),
+- EP("ep5in-iso", 5, 1024, 3, 1, 1),
+- EP("ep6out-iso", 6, 1024, 3, 1, 1),
+-};
+-#undef EP
+-
+ static struct usb_endpoint_descriptor usba_ep0_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+@@ -1074,7 +1024,6 @@
+ static struct usba_udc the_udc = {
+ .gadget = {
+ .ops = &usba_udc_ops,
+- .ep0 = &usba_ep[0].ep,
+ .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list),
+ .is_dualspeed = 1,
+ .name = "atmel_usba_udc",
+@@ -1231,7 +1180,7 @@
+ } else {
+ usba_ep_writel(ep, CTL_ENB, USBA_EPT_ENABLE);
+ usba_writel(udc, TST, USBA_TST_PKT_MODE);
+- copy_to_fifo(ep->fifo, test_packet_buffer,
++ memcpy_toio(ep->fifo, test_packet_buffer,
+ sizeof(test_packet_buffer));
+ usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
+ dev_info(dev, "Entering Test_Packet mode...\n");
+@@ -1530,13 +1479,13 @@
+ DBG(DBG_HW, "Packet length: %u\n", pkt_len);
+ if (pkt_len != sizeof(crq)) {
+ pr_warning("udc: Invalid packet length %u "
+- "(expected %lu)\n", pkt_len, sizeof(crq));
++ "(expected %zu)\n", pkt_len, sizeof(crq));
+ set_protocol_stall(udc, ep);
+ return;
+ }
+
+ DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo);
+- copy_from_fifo(crq.data, ep->fifo, sizeof(crq));
++ memcpy_fromio(crq.data, ep->fifo, sizeof(crq));
+
+ /* Free up one bank in the FIFO so that we can
+ * generate or receive a reply right away. */
+@@ -1688,6 +1637,7 @@
+ DBG(DBG_INT, "irq, status=%#08x\n", status);
+
+ if (status & USBA_DET_SUSPEND) {
++ toggle_bias(0);
+ usba_writel(udc, INT_CLR, USBA_DET_SUSPEND);
+ DBG(DBG_BUS, "Suspend detected\n");
+ if (udc->gadget.speed != USB_SPEED_UNKNOWN
+@@ -1699,6 +1649,7 @@
+ }
+
+ if (status & USBA_WAKE_UP) {
++ toggle_bias(1);
+ usba_writel(udc, INT_CLR, USBA_WAKE_UP);
+ DBG(DBG_BUS, "Wake Up CPU detected\n");
+ }
+@@ -1792,12 +1743,14 @@
+ vbus = gpio_get_value(udc->vbus_pin);
+ if (vbus != udc->vbus_prev) {
+ if (vbus) {
+- usba_writel(udc, CTRL, USBA_EN_USBA);
++ toggle_bias(1);
++ usba_writel(udc, CTRL, USBA_ENABLE_MASK);
+ usba_writel(udc, INT_ENB, USBA_END_OF_RESET);
+ } else {
+ udc->gadget.speed = USB_SPEED_UNKNOWN;
+ reset_all_endpoints(udc);
+- usba_writel(udc, CTRL, 0);
++ toggle_bias(0);
++ usba_writel(udc, CTRL, USBA_DISABLE_MASK);
+ spin_unlock(&udc->lock);
+ udc->driver->disconnect(&udc->gadget);
+ spin_lock(&udc->lock);
+@@ -1850,7 +1803,8 @@
+ /* If Vbus is present, enable the controller and wait for reset */
+ spin_lock_irqsave(&udc->lock, flags);
+ if (vbus_is_present(udc) && udc->vbus_prev == 0) {
+- usba_writel(udc, CTRL, USBA_EN_USBA);
++ toggle_bias(1);
++ usba_writel(udc, CTRL, USBA_ENABLE_MASK);
+ usba_writel(udc, INT_ENB, USBA_END_OF_RESET);
+ }
+ spin_unlock_irqrestore(&udc->lock, flags);
+@@ -1883,7 +1837,8 @@
+ spin_unlock_irqrestore(&udc->lock, flags);
+
+ /* This will also disable the DP pullup */
+- usba_writel(udc, CTRL, 0);
++ toggle_bias(0);
++ usba_writel(udc, CTRL, USBA_DISABLE_MASK);
+
+ driver->unbind(&udc->gadget);
+ udc->gadget.dev.driver = NULL;
+@@ -1908,7 +1863,7 @@
+
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID);
+ fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID);
+- if (!regs || !fifo)
++ if (!regs || !fifo || !pdata)
+ return -ENXIO;
+
+ irq = platform_get_irq(pdev, 0);
+@@ -1953,19 +1908,48 @@
+
+ /* Make sure we start from a clean slate */
+ clk_enable(pclk);
+- usba_writel(udc, CTRL, 0);
++ toggle_bias(0);
++ usba_writel(udc, CTRL, USBA_DISABLE_MASK);
+ clk_disable(pclk);
+
++ usba_ep = kmalloc(sizeof(struct usba_ep) * pdata->num_ep,
++ GFP_KERNEL);
++ if (!usba_ep)
++ goto err_alloc_ep;
++
++ the_udc.gadget.ep0 = &usba_ep[0].ep;
++
+ INIT_LIST_HEAD(&usba_ep[0].ep.ep_list);
+ usba_ep[0].ep_regs = udc->regs + USBA_EPT_BASE(0);
+ usba_ep[0].dma_regs = udc->regs + USBA_DMA_BASE(0);
+ usba_ep[0].fifo = udc->fifo + USBA_FIFO_BASE(0);
+- for (i = 1; i < ARRAY_SIZE(usba_ep); i++) {
++ usba_ep[0].ep.ops = &usba_ep_ops;
++ usba_ep[0].ep.name = pdata->ep[0].name;
++ usba_ep[0].ep.maxpacket = pdata->ep[0].fifo_size;
++ usba_ep[0].udc = &the_udc;
++ INIT_LIST_HEAD(&usba_ep[0].queue);
++ usba_ep[0].fifo_size = pdata->ep[0].fifo_size;
++ usba_ep[0].nr_banks = pdata->ep[0].nr_banks;
++ usba_ep[0].index = pdata->ep[0].index;
++ usba_ep[0].can_dma = pdata->ep[0].can_dma;
++ usba_ep[0].can_isoc = pdata->ep[0].can_isoc;
++
++ for (i = 1; i < pdata->num_ep; i++) {
+ struct usba_ep *ep = &usba_ep[i];
+
+ ep->ep_regs = udc->regs + USBA_EPT_BASE(i);
+ ep->dma_regs = udc->regs + USBA_DMA_BASE(i);
+ ep->fifo = udc->fifo + USBA_FIFO_BASE(i);
++ ep->ep.ops = &usba_ep_ops;
++ ep->ep.name = pdata->ep[i].name;
++ ep->ep.maxpacket = pdata->ep[i].fifo_size;
++ ep->udc = &the_udc;
++ INIT_LIST_HEAD(&ep->queue);
++ ep->fifo_size = pdata->ep[i].fifo_size;
++ ep->nr_banks = pdata->ep[i].nr_banks;
++ ep->index = pdata->ep[i].index;
++ ep->can_dma = pdata->ep[i].can_dma;
++ ep->can_isoc = pdata->ep[i].can_isoc;
+
+ list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
+ }
+@@ -1984,7 +1968,7 @@
+ goto err_device_add;
+ }
+
+- if (pdata && pdata->vbus_pin != GPIO_PIN_NONE) {
++ if (pdata->vbus_pin >= 0) {
+ if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
+ udc->vbus_pin = pdata->vbus_pin;
+
+@@ -2004,7 +1988,7 @@
+ }
+
+ usba_init_debugfs(udc);
+- for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
++ for (i = 1; i < pdata->num_ep; i++)
+ usba_ep_init_debugfs(udc, &usba_ep[i]);
+
+ return 0;
+@@ -2012,6 +1996,8 @@
+ err_device_add:
+ free_irq(irq, udc);
+ err_request_irq:
++ kfree(usba_ep);
++err_alloc_ep:
+ iounmap(udc->fifo);
+ err_map_fifo:
+ iounmap(udc->regs);
+@@ -2029,10 +2015,11 @@
+ {
+ struct usba_udc *udc;
+ int i;
++ struct usba_platform_data *pdata = pdev->dev.platform_data;
+
+ udc = platform_get_drvdata(pdev);
+
+- for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
++ for (i = 1; i < pdata->num_ep; i++)
+ usba_ep_cleanup_debugfs(&usba_ep[i]);
+ usba_cleanup_debugfs(udc);
+
+@@ -2040,6 +2027,7 @@
+ gpio_free(udc->vbus_pin);
+
+ free_irq(udc->irq, udc);
++ kfree(usba_ep);
+ iounmap(udc->fifo);
+ iounmap(udc->regs);
+ clk_put(udc->hclk);
+--- a/drivers/usb/gadget/atmel_usba_udc.h
++++ b/drivers/usb/gadget/atmel_usba_udc.h
+@@ -41,6 +41,15 @@
+ #define USBA_EN_USBA (1 << 8)
+ #define USBA_DETACH (1 << 9)
+ #define USBA_REMOTE_WAKE_UP (1 << 10)
++#define USBA_PULLD_DIS (1 << 11)
++
++#if defined(CONFIG_AVR32)
++#define USBA_ENABLE_MASK USBA_EN_USBA
++#define USBA_DISABLE_MASK 0
++#elif defined(CONFIG_ARCH_AT91)
++#define USBA_ENABLE_MASK (USBA_EN_USBA | USBA_PULLD_DIS)
++#define USBA_DISABLE_MASK USBA_DETACH
++#endif /* CONFIG_ARCH_AT91 */
+
+ /* Bitfields in FNUM */
+ #define USBA_MICRO_FRAME_NUM_OFFSET 0
+--- a/drivers/video/atmel_lcdfb.c
++++ b/drivers/video/atmel_lcdfb.c
+@@ -38,7 +38,9 @@
+ #endif
+
+ #if defined(CONFIG_ARCH_AT91)
+-#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT
++#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \
++ | FBINFO_PARTIAL_PAN_OK \
++ | FBINFO_HWACCEL_YPAN)
+
+ static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo,
+ struct fb_var_screeninfo *var)
+@@ -176,7 +178,7 @@
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_TRUECOLOR,
+ .xpanstep = 0,
+- .ypanstep = 0,
++ .ypanstep = 1,
+ .ywrapstep = 0,
+ .accel = FB_ACCEL_NONE,
+ };
+@@ -250,6 +252,8 @@
+ return -ENOMEM;
+ }
+
++ memset(info->screen_base, 0, info->fix.smem_len);
++
+ return 0;
+ }
+
+@@ -634,7 +638,6 @@
+ struct fb_info *info = sinfo->info;
+ int ret = 0;
+
+- memset_io(info->screen_base, 0, info->fix.smem_len);
+ info->var.activate |= FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW;
+
+ dev_info(info->device,
+@@ -764,6 +767,11 @@
+ info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len);
+ if (!info->screen_base)
+ goto release_intmem;
++
++ /*
++ * Don't clear the framebuffer -- someone may have set
++ * up a splash image.
++ */
+ } else {
+ /* alocate memory buffer */
+ ret = atmel_lcdfb_alloc_video_memory(sinfo);
+--- a/fs/fs-writeback.c
++++ b/fs/fs-writeback.c
+@@ -385,8 +385,6 @@
+ * WB_SYNC_HOLD is a hack for sys_sync(): reattach the inode to sb->s_dirty so
+ * that it can be located for waiting on in __writeback_single_inode().
+ *
+- * Called under inode_lock.
+- *
+ * If `bdi' is non-zero then we're being asked to writeback a specific queue.
+ * This function assumes that the blockdev superblock's inodes are backed by
+ * a variety of queues, so all inodes are searched. For other superblocks,
+@@ -402,11 +400,12 @@
+ * on the writer throttling path, and we get decent balancing between many
+ * throttled threads: we don't want them all piling up on inode_sync_wait.
+ */
+-static void
+-sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc)
++void generic_sync_sb_inodes(struct super_block *sb,
++ struct writeback_control *wbc)
+ {
+ const unsigned long start = jiffies; /* livelock avoidance */
+
++ spin_lock(&inode_lock);
+ if (!wbc->for_kupdate || list_empty(&sb->s_io))
+ queue_io(sb, wbc->older_than_this);
+
+@@ -485,8 +484,16 @@
+ if (!list_empty(&sb->s_more_io))
+ wbc->more_io = 1;
+ }
++ spin_unlock(&inode_lock);
+ return; /* Leave any unwritten inodes on s_io */
+ }
++EXPORT_SYMBOL_GPL(generic_sync_sb_inodes);
projects / openwrt.git / blobdiff