diff options
| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2015-09-22 18:54:34 +0530 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-10-01 12:40:22 -0500 |
| commit | 3719b9bd66d29de3682b4daaf07748f915f7ac92 (patch) | |
| tree | 0e47fcdf8ff9ec1a69f14fae8dfd0b7e1c5da8e6 /drivers/usb/gadget/udc | |
| parent | c9760ad817091b19fcbb86c8cb5e1ab9e90d913b (diff) | |
usb: gadget: amd5536udc: remove forward declaration of udc_free_dma_chain
Rearrange udc_free_dma_chain to remove the forward declaration. While at
it fixed all the relevant checkpatch warnings.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/udc')
| -rw-r--r-- | drivers/usb/gadget/udc/amd5536udc.c | 51 |
1 files changed, 24 insertions, 27 deletions
diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c index 2602173d68d4..6d64129e3347 100644 --- a/drivers/usb/gadget/udc/amd5536udc.c +++ b/drivers/usb/gadget/udc/amd5536udc.c @@ -70,7 +70,6 @@ static void udc_setup_endpoints(struct udc *dev); static void udc_soft_reset(struct udc *dev); static struct udc_request *udc_alloc_bna_dummy(struct udc_ep *ep); static void udc_free_request(struct usb_ep *usbep, struct usb_request *usbreq); -static int udc_free_dma_chain(struct udc *dev, struct udc_request *req); static int udc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id); static void udc_pci_remove(struct pci_dev *pdev); @@ -611,6 +610,30 @@ udc_alloc_request(struct usb_ep *usbep, gfp_t gfp) return &req->req; } +/* frees pci pool descriptors of a DMA chain */ +static int udc_free_dma_chain(struct udc *dev, struct udc_request *req) +{ + int ret_val = 0; + struct udc_data_dma *td; + struct udc_data_dma *td_last = NULL; + unsigned int i; + + DBG(dev, "free chain req = %p\n", req); + + /* do not free first desc., will be done by free for request */ + td_last = req->td_data; + td = phys_to_virt(td_last->next); + + for (i = 1; i < req->chain_len; i++) { + pci_pool_free(dev->data_requests, td, + (dma_addr_t)td_last->next); + td_last = td; + td = phys_to_virt(td_last->next); + } + + return ret_val; +} + /* Frees request packet, called by gadget driver */ static void udc_free_request(struct usb_ep *usbep, struct usb_request *usbreq) @@ -1026,32 +1049,6 @@ __acquires(ep->dev->lock) ep->halted = halted; } -/* frees pci pool descriptors of a DMA chain */ -static int udc_free_dma_chain(struct udc *dev, struct udc_request *req) -{ - - int ret_val = 0; - struct udc_data_dma *td; - struct udc_data_dma *td_last = NULL; - unsigned int i; - - DBG(dev, "free chain req = %p\n", req); - - /* do not free first desc., will be done by free for request */ - td_last = req->td_data; - td = phys_to_virt(td_last->next); - - for (i = 1; i < req->chain_len; i++) { - - pci_pool_free(dev->data_requests, td, - (dma_addr_t) td_last->next); - td_last = td; - td = phys_to_virt(td_last->next); - } - - return ret_val; -} - /* Iterates to the end of a DMA chain and returns last descriptor */ static struct udc_data_dma *udc_get_last_dma_desc(struct udc_request *req) { |