From patchwork Fri Aug 22 14:08:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?=C5=81ukasz_Majewski?= X-Patchwork-Id: 382227 X-Patchwork-Delegate: marek.vasut@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 47B0B140107 for ; Sat, 23 Aug 2014 00:09:12 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 63F7E4A051; Fri, 22 Aug 2014 16:09:07 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lTefKob5pbv4; Fri, 22 Aug 2014 16:09:07 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 13A4DA75D0; Fri, 22 Aug 2014 16:09:03 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id A7AC8A758C for ; Fri, 22 Aug 2014 16:08:54 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7YKcyXZ07UUE for ; Fri, 22 Aug 2014 16:08:51 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mailout1.samsung.com (mailout1.samsung.com [203.254.224.24]) by theia.denx.de (Postfix) with ESMTPS id 5E940A759A for ; Fri, 22 Aug 2014 16:08:47 +0200 (CEST) Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NAP005TLOMKVE30@mailout1.samsung.com> for u-boot@lists.denx.de; Fri, 22 Aug 2014 23:08:44 +0900 (KST) X-AuditID: cbfee61b-f79f86d00000144c-65-53f74eece5d2 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 29.1D.05196.CEE47F35; Fri, 22 Aug 2014 23:08:44 +0900 (KST) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NAP00LZVOM3YA60@mmp1.samsung.com>; Fri, 22 Aug 2014 23:08:44 +0900 (KST) From: Lukasz Majewski To: u-boot@lists.denx.de, Tom Rini , Stephen Warren Date: Fri, 22 Aug 2014 16:08:25 +0200 Message-id: <1408716505-9013-2-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1408716505-9013-1-git-send-email-l.majewski@samsung.com> References: <1408716505-9013-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrALMWRmVeSWpSXmKPExsVy+t9jAd03ft+DDfo+clvsuHOf2eLNI26L Nw83M1q8aWtktNhx+QaLxa7bk1ksbk+byGRxYO57FotvW7YxWtyY3sJq8epgG4vF5MXzmS3e 7u1kd+D1mPdzIpPH7IaLLB7zZp1g8Th7Zwejx7ppb5k9epvfsXn0bVnF6LH95CQmj/aF/5k8 jt/YzuSxcW5oAHcUl01Kak5mWWqRvl0CV8aOH9NYC/6zVaxpW8DewPiJtYuRk0NCwETiUNM3 NghbTOLCvfVANheHkMAiRom/rTugnC4miVX9O5lAqtgE9CQ+330KZosIREu8vnSSCaSIWWAp s8TnL0fBRgkLxEr8P/SZGcRmEVCVePq6iR3E5hVwlbiycinUOkWJ7mcTwGxOATeJp7OXgNUL AdXsbDjBPIGRdwEjwypG0dSC5ILipPRcI73ixNzi0rx0veT83E2M4HB+Jr2DcVWDxSFGAQ5G JR5eA4/vwUKsiWXFlbmHGCU4mJVEeOfaAIV4UxIrq1KL8uOLSnNSiw8xSnOwKInzHmy1DhQS SE8sSc1OTS1ILYLJMnFwSjUwZq9u/S59ue7xhNo6vSweZ/mUSfFTN9a7nGjm0Xf5W8rKcnHL qe9NKi+6tO4paaj35V0728YVy1Pol8zu7vxjd26duNuDFg39xVO/v5SZ0Kx5zf6AbF3wBKut Akf/NC1SlWuoPXCiN7dkh6uowiOPL1a3Oz6Jef4Sti3++VJoXfSaI2fa7u9VYinOSDTUYi4q TgQAYFLA62MCAAA= Cc: Marek Vasut , Stephen Warren , Egli Samuel , Pantelis Antoniou , Przemyslaw Marczak , =?UTF-8?q?Tam=C3=A1s=20Bond=C3=A1r?= Subject: [U-Boot] [PATCH 2/2] udc: dfu: s3c_udc: Provide function to check if USB reset was asserted X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de New dfu_usb_get_reset() method is necessary to distinct two different use cases of dfu-util program. This method checks if the USB bus reset has been really performed after DFU DETACH. Without this function the previous DFU behavior is preserved. Signed-off-by: Lukasz Majewski --- drivers/usb/gadget/s3c_udc_otg.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c index 63d4487..ce2494c 100644 --- a/drivers/usb/gadget/s3c_udc_otg.c +++ b/drivers/usb/gadget/s3c_udc_otg.c @@ -149,6 +149,11 @@ struct s3c_usbotg_reg *reg; struct s3c_usbotg_phy *phy; static unsigned int usb_phy_ctrl; +bool dfu_usb_get_reset(void) +{ + return !!(readl(®->gintsts) & INT_RESET); +} + void otg_phy_init(struct s3c_udc *dev) { dev->pdata->phy_control(1);