From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC91F1DDCE; Tue, 16 Jul 2024 16:12:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721146355; cv=none; b=ITSwXCTYcm8lwHyDoBDSP9XZ1+du+k7iIAGNf1HULxH3r0//DMt7p3/ZiQ6rJIzkDmrKe8A/TG2ivN1sV4a+PsMcTraLQTG4MIm4rJv1DZN6czUfNVQREZ7O8Rgv3WMF6xSlneFi8PTzlT3DjHFDb5wdBzZlfhOPNL28GekvTwM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721146355; c=relaxed/simple; bh=WIrfYMbxCeQE8CLUhAHOFbtlZjZ47ce+8Fv0zGNes14=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LjUfWoCrY35idnrRgNwLchYSdjjfmzIRGcrKAgbeiPJmAqEZEi2RRm6NoTm1dFENYRUVfNiT6x2efAPkJ+FjLsUWOJV/TXgSsMyOVEVoi4mEulEzBQtX8cC3hZgahDgTepWQJQwsZIuc3Z3cmzy5W2uG2HeGBnhdJYa3utJj/gU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PzRAMJ4U; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="PzRAMJ4U" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 73214C4AF0D; Tue, 16 Jul 2024 16:12:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1721146354; bh=WIrfYMbxCeQE8CLUhAHOFbtlZjZ47ce+8Fv0zGNes14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PzRAMJ4U+uKzghIRenatslXg2y6D57cgInHQ7wS+pDDxKOVfX5Svtf+2VO1vUXXx+ WoLTWOghgHM+H3RN6sZ6H2Pv8or9bMr9q/IBfAZfWUKu1OzNMDvN6EJAubUx/QM+hs bfoy0dQizLzOesZH4pja8zwt30eSsTnUSlfazhHY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wolfram Sang , Andi Shyti , Sasha Levin Subject: [PATCH 5.15 140/144] i2c: rcar: clear NO_RXDMA flag after resetting Date: Tue, 16 Jul 2024 17:33:29 +0200 Message-ID: <20240716152757.892495209@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240716152752.524497140@linuxfoundation.org> References: <20240716152752.524497140@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wolfram Sang [ Upstream commit fea6b5ebb71a2830b042e42de7ae255017ac3ce8 ] We should allow RXDMA only if the reset was really successful, so clear the flag after the reset call. Fixes: 0e864b552b23 ("i2c: rcar: reset controller is mandatory for Gen3+") Signed-off-by: Wolfram Sang Signed-off-by: Andi Shyti Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-rcar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index e24ced623c9ad..1b5ea222f4c60 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -835,10 +835,10 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, /* Gen3+ needs a reset. That also allows RXDMA once */ if (priv->devtype >= I2C_RCAR_GEN3) { - priv->flags &= ~ID_P_NO_RXDMA; ret = rcar_i2c_do_reset(priv); if (ret) goto out; + priv->flags &= ~ID_P_NO_RXDMA; } rcar_i2c_init(priv); -- 2.43.0