From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4E4E3FC0379 for ; Fri, 24 Apr 2026 12:37:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vPOav/iNJYdLnUqKhckbh7LqMdTVlkBXm9k5KvYujPc=; b=NsKLldqV0yJuKHxIeu5PT7Ettp relmE8AKb+NdyZhXqHcGfwTy/ZxW+7r+QjAU9B5NHzoc6mjR73UM7xW6xTt0qsWxLAUN9ytFaxBMq s18gLJk2kgRgGgzoIunrt9/USdoxvGlTde/C5iFtBOTs9UO23gtXWKVjlGsRZ5wfv/8DZnlYn/lnl tty1WF25z+UEBn7y/dS3XSG3hivW8mYDwiPdhYbjq6WdCqmJL2HELZrihS5JghNp4d4W9xSAzfx2E gOwLl1VVhQ5Ly1mJQuqB/qGE7kpL8518yPRVOGBpPRlJ9jWUTmR1gtmDnJoc7ImOKxoxsoOt5YctI H4/8lHDg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGFmS-0000000DBuT-2ktT; Fri, 24 Apr 2026 12:37:12 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGFmM-0000000DBrp-2xgG for linux-arm-kernel@lists.infradead.org; Fri, 24 Apr 2026 12:37:08 +0000 Received: from [127.0.1.1] (chfd-03-b2-v4wan-176392-cust229.vm15.cable.virginm.net [82.19.20.230]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 86EDD19A8; Fri, 24 Apr 2026 14:35:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1777034124; bh=WNOfl9TMJAgdQRS+Wl9stY3RrXYZyI6/gxecvU1FULI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=t/y1yHCBELV34W5QxOrNf+WxZZnZbLlYZrKOZ1YknODDpEpAxEXqKSt98NYNAPY6V PdhF60jzifFQU+6IXfE+gFthQ8dNmdVixKK0W5T/IY1FFA/UO18d0rGnN6rdvT3v+3 R1n+YjQ7u96RGL+t/afHfiDTGnKc4a1cjLZaANO8= From: Daniel Scally Date: Fri, 24 Apr 2026 13:36:47 +0100 Subject: [PATCH v2 2/2] i2c: imx: Retry failed transfers 3 times MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260424-i2c-imx-fixes-v2-2-34fb9504aaeb@ideasonboard.com> References: <20260424-i2c-imx-fixes-v2-0-34fb9504aaeb@ideasonboard.com> In-Reply-To: <20260424-i2c-imx-fixes-v2-0-34fb9504aaeb@ideasonboard.com> To: Oleksij Rempel , Pengutronix Kernel Team , Andi Shyti , Frank Li , Sascha Hauer , Fabio Estevam , Gao Pan , Fugang Duan , Wolfram Sang Cc: linux-i2c@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Daniel Scally X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=941; i=dan.scally@ideasonboard.com; h=from:subject:message-id; bh=WNOfl9TMJAgdQRS+Wl9stY3RrXYZyI6/gxecvU1FULI=; b=owEBbQKS/ZANAwAKAchJV3psRXUyAcsmYgBp62PtXN02sS6E4D45jdY5YmHKbzszWjA9vdl+1 JErMzAIA8OJAjMEAAEKAB0WIQQqyuwyDnZdb+mxmm/ISVd6bEV1MgUCaetj7QAKCRDISVd6bEV1 MtNrD/9Lgn0kR7oa/zXMFfKfupm9ABSsN51NPAQpnkTCY2La2De4R7O0JnAAS7lH6R78erTaq6U 5pfv/DTr+bnBTZp5NxmkhDGWYrq+F+Ri4r2bjsfZZgAadxjfqO+MtK+Y+MAkaKiDsF2M1w/jhPe +f9rvykIGB9dBRKvLjYSO0OWnJkZ1SqSrIJPZUiM6grOpIsJvaWEv3UXVG3Dq/DpzWBbG71ey7u fgt1rpOR1vRSF94lT07m5gT6BPPz+OBjAV08evmR+lotp8GLVQbDwBZskHC4SkRzocHEULuJ29+ /EgkQQFSgwL6lGirCb4GBI2e91HiQ6yQ3SnK8P2cGtBjhNkEgbolqP3X22ty+72eV3zOSPQRmeM E/MSTXfMcrIIShVRErM962IlJqMaPvV9lDwBPu9vOtEF6ksZtDKgXrKkP/iNdxiSnNFynAfbGmK tXJY5IfIrms5qK11OoUHkjTZQKyIxk3T82Xcz5ynfeegOpbAh8sRFowZIoUdCIUMZB/RyCu4ExX SJGOcYfW1OTi2FiC+BYONVMcO+xKqlcOef+QXfSamnmBLY913sGGnXLx8F7b4MnivaphOnyTtdu XrDvlSZvbKyqhtb1pZj3qPbpKPQvbMxtHQAHrke58VKybqXEqOFPm83MsbRg5vUkBznsrKLF7bJ Cvp4jwLqwaq5ntw== X-Developer-Key: i=dan.scally@ideasonboard.com; a=openpgp; fpr=EEC699ACA1B7CB5D31330C0BBD501C2A3546CCF6 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260424_053706_891911_1E84BA85 X-CRM114-Status: UNSURE ( 8.30 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Set the retries member of the i2c_adapter to 3, which will cause the i2c-core code to retry transfers that lose arbitration 3 times before giving up. Reviewed-by: Frank Li Signed-off-by: Daniel Scally --- drivers/i2c/busses/i2c-imx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index b68a0f7105682006bbcfee52891c9a9c2d8c009e..e70e64cc633ff1e13dc61920c0c7960fb6a02622 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1749,6 +1749,7 @@ static int i2c_imx_probe(struct platform_device *pdev) i2c_imx->adapter.dev.parent = &pdev->dev; i2c_imx->adapter.nr = pdev->id; i2c_imx->adapter.dev.of_node = pdev->dev.of_node; + i2c_imx->adapter.retries = 3; i2c_imx->base = base; ACPI_COMPANION_SET(&i2c_imx->adapter.dev, ACPI_COMPANION(&pdev->dev)); -- 2.43.0