diff options
Diffstat (limited to 'drivers/usb/gadget/s3c-hsotg.c')
| -rw-r--r-- | drivers/usb/gadget/s3c-hsotg.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 5fc80a104150..1f73b485732d 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -22,6 +22,7 @@ #include <linux/seq_file.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/slab.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> @@ -30,7 +31,7 @@ #include <plat/regs-usb-hsotg-phy.h> #include <plat/regs-usb-hsotg.h> -#include <plat/regs-sys.h> +#include <mach/regs-sys.h> #include <plat/udc-hs.h> #define DMA_ADDR_INVALID (~((dma_addr_t)0)) @@ -317,7 +318,8 @@ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg) * * Allocate a new USB request structure appropriate for the specified endpoint */ -struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, gfp_t flags) +static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, + gfp_t flags) { struct s3c_hsotg_req *req; @@ -373,7 +375,7 @@ static void s3c_hsotg_unmap_dma(struct s3c_hsotg *hsotg, req->dma = DMA_ADDR_INVALID; hs_req->mapped = 0; } else { - dma_sync_single(hsotg->dev, req->dma, req->length, dir); + dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir); } } @@ -755,7 +757,7 @@ static int s3c_hsotg_map_dma(struct s3c_hsotg *hsotg, hs_req->mapped = 1; req->dma = dma; } else { - dma_sync_single(hsotg->dev, req->dma, req->length, dir); + dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir); hs_req->mapped = 0; } @@ -1460,7 +1462,7 @@ static u32 s3c_hsotg_read_frameno(struct s3c_hsotg *hsotg) * as the actual data should be sent to the memory directly and we turn * on the completion interrupts to get notifications of transfer completion. */ -void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg) +static void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg) { u32 grxstsr = readl(hsotg->regs + S3C_GRXSTSP); u32 epnum, status, size; @@ -2143,6 +2145,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, u32 epctrl; u32 mps; int dir_in; + int ret = 0; dev_dbg(hsotg->dev, "%s: ep %s: a 0x%02x, attr 0x%02x, mps 0x%04x, intr %d\n", @@ -2194,7 +2197,8 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { case USB_ENDPOINT_XFER_ISOC: dev_err(hsotg->dev, "no current ISOC support\n"); - return -EINVAL; + ret = -EINVAL; + goto out; case USB_ENDPOINT_XFER_BULK: epctrl |= S3C_DxEPCTL_EPType_Bulk; @@ -2233,8 +2237,9 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, /* enable the endpoint interrupt */ s3c_hsotg_ctrl_epint(hsotg, index, dir_in, 1); +out: spin_unlock_irqrestore(&hs_ep->lock, flags); - return 0; + return ret; } static int s3c_hsotg_ep_disable(struct usb_ep *ep) @@ -3094,7 +3099,7 @@ static void s3c_hsotg_gate(struct platform_device *pdev, bool on) local_irq_restore(flags); } -struct s3c_hsotg_plat s3c_hsotg_default_pdata; +static struct s3c_hsotg_plat s3c_hsotg_default_pdata; static int __devinit s3c_hsotg_probe(struct platform_device *pdev) { |