From patchwork Sun Apr 1 15:53:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Steinar H. Gunderson" X-Patchwork-Id: 10522 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1SEN6h-0006nV-L0 for patchwork@linuxtv.org; Sun, 01 Apr 2012 17:54:19 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.75/mailfrontend-4) with esmtp for id 1SEN6g-0005s9-Cd; Sun, 01 Apr 2012 17:54:19 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752590Ab2DAPyH (ORCPT ); Sun, 1 Apr 2012 11:54:07 -0400 Received: from cassarossa.samfundet.no ([129.241.93.19]:40791 "EHLO cassarossa.samfundet.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752297Ab2DAPyD (ORCPT ); Sun, 1 Apr 2012 11:54:03 -0400 Received: from pannekake.samfundet.no ([2001:700:300:1800::dddd] ident=unknown) by cassarossa.samfundet.no with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1SEN6P-0001UL-GA; Sun, 01 Apr 2012 17:54:01 +0200 Received: from sesse by pannekake.samfundet.no with local (Exim 4.72) (envelope-from ) id 1SEN6P-0008Lu-5z; Sun, 01 Apr 2012 17:54:01 +0200 From: "Steinar H. Gunderson" To: linux-media@vger.kernel.org Cc: "Steinar H. Gunderson" Subject: [PATCH 01/11] Don't reset IRQ0 if it's not already set. Date: Sun, 1 Apr 2012 17:53:41 +0200 Message-Id: <1333295631-31866-1-git-send-email-sgunderson@bigfoot.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <20120401155330.GA31901@uio.no> References: <20120401155330.GA31901@uio.no> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2012.4.1.154227 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_2000_2999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __SANE_MSGID 0, __STOCK_PHRASE_7 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' From: "Steinar H. Gunderson" By Marko Ristola; see http://patchwork.linuxtv.org/patch/8776/ . Signed-off-by: Steinar H. Gunderson --- drivers/media/dvb/mantis/mantis_cards.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/media/dvb/mantis/mantis_cards.c b/drivers/media/dvb/mantis/mantis_cards.c index c2bb90b..c6c51bd 100644 --- a/drivers/media/dvb/mantis/mantis_cards.c +++ b/drivers/media/dvb/mantis/mantis_cards.c @@ -73,7 +73,7 @@ static char *label[10] = { static irqreturn_t mantis_irq_handler(int irq, void *dev_id) { - u32 stat = 0, mask = 0, lstat = 0; + u32 stat = 0, mask = 0; u32 rst_stat = 0, rst_mask = 0; struct mantis_pci *mantis; @@ -88,19 +88,9 @@ static irqreturn_t mantis_irq_handler(int irq, void *dev_id) stat = mmread(MANTIS_INT_STAT); mask = mmread(MANTIS_INT_MASK); - lstat = stat & ~MANTIS_INT_RISCSTAT; if (!(stat & mask)) return IRQ_NONE; - rst_mask = MANTIS_GPIF_WRACK | - MANTIS_GPIF_OTHERR | - MANTIS_SBUF_WSTO | - MANTIS_GPIF_EXTIRQ; - - rst_stat = mmread(MANTIS_GPIF_STATUS); - rst_stat &= rst_mask; - mmwrite(rst_stat, MANTIS_GPIF_STATUS); - mantis->mantis_int_stat = stat; mantis->mantis_int_mask = mask; dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask); @@ -109,6 +99,15 @@ static irqreturn_t mantis_irq_handler(int irq, void *dev_id) } if (stat & MANTIS_INT_IRQ0) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]); + + rst_mask = MANTIS_GPIF_WRACK | + MANTIS_GPIF_OTHERR | + MANTIS_SBUF_WSTO | + MANTIS_GPIF_EXTIRQ; + + rst_stat = mmread(MANTIS_GPIF_STATUS); + mmwrite(rst_stat & rst_mask, MANTIS_GPIF_STATUS); + mantis->gpif_status = rst_stat; wake_up(&ca->hif_write_wq); schedule_work(&ca->hif_evm_work);