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 49C9D22E418; Mon, 10 Mar 2025 17:59:02 +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=1741629542; cv=none; b=sUJ/N/UD6BXHOurIS9ZZvQJp1mMOJoRq0k+C0na9n4KW3AEaMf1iHuGzLGnnoiRoq32sUpqEHEYM38O/EmEElmOtUzZfyvbWqbk0gJq/2eyGukgzlv+pUClPm2y6i5KU/cujpEyBVs2EYZmIBSkb1QqF/s2bglUtU510Ncz1+QE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741629542; c=relaxed/simple; bh=+lcOHe6kl83+54wZGowrtSXFMR467VKu5slrHBMtcBY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ibR0nBIY3qbx/JMNbYrpTQeEtxzFYLQytpEpEdx4m1a23tnxfFefbw19wG381RSrJt1UWF6lND1jaJckgBfH48x03mGtvIlOrg/ei2oldgJ8wATvWEtOfYNN3SNhXSrLLHlQ5BySTQCu9p4GXIA1QDvz59E7xqP895W5D1am9qQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=pfFS1jK3; 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="pfFS1jK3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7BFEC4CEE5; Mon, 10 Mar 2025 17:59:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741629542; bh=+lcOHe6kl83+54wZGowrtSXFMR467VKu5slrHBMtcBY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pfFS1jK3aOtCGv7ZGrVQwFt1YJlY+cU0w4T6f4MvH+wmQrlrG7PtNaTDbkG1XCB08 20llZM+cenlBzbxhKVzf4WnDO+AYsiGjAOLvZ0RPe64daqXZSWvwdsFU7LPfz346YG oaq+2ne5z+bFql/pHr1ooDmhjfnbJs9H+Qehcu0E= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dmitry Osipenko , Krzysztof Kozlowski Subject: [PATCH 5.15 331/620] memory: tegra20-emc: Correct memory device mask Date: Mon, 10 Mar 2025 18:02:57 +0100 Message-ID: <20250310170558.668157612@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170545.553361750@linuxfoundation.org> References: <20250310170545.553361750@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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: Dmitry Osipenko commit 9ff684342ee7d3ea2755c6e9b60bc43085baa3ad upstream. Memory chip select is swapped when we read mode register, correct it. We didn't have devices that use a single LPDDR chip and both chips are always identical, hence this change is just a minor improvement. Fixes: 131dd9a436d8 ("memory: tegra20-emc: Support matching timings by LPDDR2 configuration") Signed-off-by: Dmitry Osipenko Link: https://lore.kernel.org/r/20211222043215.28237-2-digetx@gmail.com Signed-off-by: Krzysztof Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/memory/tegra/tegra20-emc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -540,7 +540,7 @@ static int emc_read_lpddr_mode_register( unsigned int register_addr, unsigned int *register_data) { - u32 memory_dev = emem_dev + 1; + u32 memory_dev = emem_dev ? 1 : 2; u32 val, mr_mask = 0xff; int err;