From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754615AbbINPNS (ORCPT ); Mon, 14 Sep 2015 11:13:18 -0400 Received: from mail-pa0-f49.google.com ([209.85.220.49]:35512 "EHLO mail-pa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751659AbbINPNP (ORCPT ); Mon, 14 Sep 2015 11:13:15 -0400 From: Sudip Mukherjee To: Thomas Dahlmann , Felipe Balbi , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, linux-geode@lists.infradead.org, linux-usb@vger.kernel.org, Sudip Mukherjee Subject: [PATCH 01/16] usb: gadget: amd5536udc: introduce free_dma_pools Date: Mon, 14 Sep 2015 20:42:48 +0530 Message-Id: <1442243583-24741-2-git-send-email-sudipm.mukherjee@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1442243583-24741-1-git-send-email-sudipm.mukherjee@gmail.com> References: <1442243583-24741-1-git-send-email-sudipm.mukherjee@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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