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 B8C7815F41B; Tue, 27 Aug 2024 14:49:07 +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=1724770147; cv=none; b=H9556xCmIppVfHBa2D8nNMxp6Ci8iuxPG39iWg2hL++xpROQ8rixk1947tLwT3wcggTDOyMlt1pbr+XMuoxzNFJNe2+YdzgyKXDfCkLlhKtVEQ5/MuZ2s54UI+39YUgnplE1Uav5r2eWBGQm09XuGLdluc1wcLW/JH++NK6VzTQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724770147; c=relaxed/simple; bh=lU7YCi8sa+I4NQOSH7v7ssjPGu0TtAxCDRbU9BbvREc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gHBdRdqCy+1v4ooyofSYNopSx1d/DvZGAvUFNKwIxMtoGPH0vyLh8b5Jpiw4jIUw4XXKXY5IaSaR6j1x687HaWNyF6wLBceD3goGLQ+J0ySjHWTuWSRgV+HcQ6jX166avF8tHAoXYJJydI3F2Ah4Yr3+1Zn7ySqYUaM7YQDvAk8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=kDJXDE+o; 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="kDJXDE+o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24A0CC4AF10; Tue, 27 Aug 2024 14:49:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1724770147; bh=lU7YCi8sa+I4NQOSH7v7ssjPGu0TtAxCDRbU9BbvREc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kDJXDE+orRMJ7TRFgv3jS6HjOldlWzlPNQS54o+xT/Iy6B40ISLuvaq0nc/EuIzNV E+yz/+VHfGtjKu5UQkCSAt9AGtUfKaU8Cq8lQquCtM+A+wLBSVE/rJx4J7OsF+50O8 OH8J1glM3rmdZR62DyD5tVYSqRj4eRXPDdWBO7pA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ashish Mhetre , Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 6.6 141/341] memory: tegra: Skip SID programming if SID registers arent set Date: Tue, 27 Aug 2024 16:36:12 +0200 Message-ID: <20240827143848.785279232@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240827143843.399359062@linuxfoundation.org> References: <20240827143843.399359062@linuxfoundation.org> User-Agent: quilt/0.67 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 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ashish Mhetre [ Upstream commit 0d6c918011ce4764ed277de4726a468b7ffe5fed ] There are few MC clients where SID security and override register offsets are not specified like "sw_cluster0" in tegra234. Don't program SID override for such clients because it leads to access to invalid addresses. Signed-off-by: Ashish Mhetre Link: https://lore.kernel.org/r/20231107112713.21399-2-amhetre@nvidia.com Signed-off-by: Krzysztof Kozlowski Signed-off-by: Sasha Levin --- drivers/memory/tegra/tegra186.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c index 533f85a4b2bdb..7633481e547d2 100644 --- a/drivers/memory/tegra/tegra186.c +++ b/drivers/memory/tegra/tegra186.c @@ -75,6 +75,9 @@ static void tegra186_mc_client_sid_override(struct tegra_mc *mc, { u32 value, old; + if (client->regs.sid.security == 0 && client->regs.sid.override == 0) + return; + value = readl(mc->regs + client->regs.sid.security); if ((value & MC_SID_STREAMID_SECURITY_OVERRIDE) == 0) { /* -- 2.43.0