From patchwork Wed Oct 11 07:57:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Wei Jinhua X-Patchwork-Id: 824275 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yBmdX051Tz9t4X for ; Wed, 11 Oct 2017 19:01:20 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751030AbdJKIBS (ORCPT ); Wed, 11 Oct 2017 04:01:18 -0400 Received: from out1.zte.com.cn ([202.103.147.172]:59438 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756643AbdJKH75 (ORCPT ); Wed, 11 Oct 2017 03:59:57 -0400 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id EC5D6F5DE309A972A8E7; Wed, 11 Oct 2017 15:59:52 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id v9B7xfJn022790; Wed, 11 Oct 2017 15:59:41 +0800 (GMT-8) (envelope-from wei.jinhua1@zte.com.cn) Received: from localhost.localdomain ([10.75.10.200]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2017101115594480-377547 ; Wed, 11 Oct 2017 15:59:44 +0800 From: Wei Jinhua To: wsa@the-dreams.de Cc: linux-i2c@vger.kernel.org, jochen@scram.de, jiang.biao2@zte.com.cn, wei.jinhua1@zte.com.cn, zhong.weidong@zte.com.cn Subject: [PATCH] i2c:imx: use IRQF_SHARED mode to request IRQ Date: Wed, 11 Oct 2017 15:57:20 +0800 Message-Id: <1507708640-11622-1-git-send-email-wei.jinhua1@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2017-10-11 15:59:45, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2017-10-11 15:59:33, Serialize complete at 2017-10-11 15:59:33 X-MAIL: mse01.zte.com.cn v9B7xfJn022790 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Some SoC share one irq number between I2C controllers. For example, on the LS2088 board, I2C 1 and I2C 2 share one irq number. In this case, only one I2C controller can register successfully, and others will fail. Signed-off-by: Wei Jinhua Reviewed-by: Jiang Biao Acked-by: Uwe Kleine-König --- drivers/i2c/busses/i2c-imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 54a47b4..e5c8b3d 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1100,7 +1100,7 @@ static int i2c_imx_probe(struct platform_device *pdev) } /* Request IRQ */ - ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, 0, + ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, IRQF_SHARED, pdev->name, i2c_imx); if (ret) { dev_err(&pdev->dev, "can't claim irq %d\n", irq);