Messages in this thread Patch in this message | | | From | Sudip Mukherjee <> | Subject | [PATCH 01/16] usb: gadget: amd5536udc: introduce free_dma_pools | Date | Mon, 14 Sep 2015 20:42:48 +0530 |
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dma pools are being created by init_dma_pools() but there was no function for freeing them. Introduce the function now so that we can use it later.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> --- drivers/usb/gadget/udc/amd5536udc.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c index fdacddb..384b824 100644 --- a/drivers/usb/gadget/udc/amd5536udc.c +++ b/drivers/usb/gadget/udc/amd5536udc.c @@ -3107,6 +3107,17 @@ static void udc_remove(struct udc *dev) udc = NULL; } +/* free all the dma pools */ +static void free_dma_pools(struct udc *dev) +{ + dma_pool_free(dev->stp_requests, dev->ep[UDC_EP0OUT_IX].td, + dev->ep[UDC_EP0OUT_IX].td_phys); + dma_pool_free(dev->stp_requests, dev->ep[UDC_EP0OUT_IX].td_stp, + dev->ep[UDC_EP0OUT_IX].td_stp_dma); + dma_pool_destroy(dev->stp_requests); + dma_pool_destroy(dev->data_requests); +} + /* Reset all pci context */ static void udc_pci_remove(struct pci_dev *pdev) { -- 1.9.1
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