From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794209494; b=GQWFjpXQfWxnYsvphGiMr8YZJiNAVjTznleTFOTV5z8r1OhyTbotBr+jaPHBP+sKla9A VPw7sPqA3Lm5AV5ICtOOwb2i6GmEcNYJGQ+FlC7B3s+HvOrRt0usJJIGT+j/4qz9Tj9mY ZRdhJA/BcQWCF+ZZQkoR+we0mC3QtcpSLnjQ87gzQrLKHSZeToQOtPxEA+pE6wBRD6gIl LbuJ1uxvI7N8TJRURCXndIO7CeZ+n2Li+jjJoqylFskXTNgEGiNyeWrfnnrJUdo/6blys Z+t0Fr67A6LkjCujc4jaISN6PdwtOX7OpTujFXySoT0kGS9ogH7oDcsl9BlYZD/NWSw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794209494; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=uHpDt5Z+8RB/vw9lOlSwwBYSg4hXZcK/E1hxVO38o4M=; b=vjbthAKxwyuIlQZZgaXauqvpCxiK0Uqu4YhqvH1VkkH1f/J+U/+hn8TsDl/a6pq6x6Ar EnUWdwen87k4R+f05A9JLqnrZrPVSv91H3UQupG+wl4h7pDGIdlntXo1aDfs+MeK1sq5f 4dp9LuEZ3/9Eo/kngpKHLMK2AEJ3Vs9ij/hZ1hlHex5+yuaFyK4sJhZWyNKSFscB2m+f+ GdkWALe9YU/X0hdvBZt/s1PwDcO4pHW5NTTPB9As+nnUbngKLDrKcrZV4oPEOA/PXK7CL lGpbtOnX4RGVQMuec7SNfw+BOqP5VplzaW8n4nDvsn8HtOkn6R9f6juLr+KHO0htecQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CslatUrj; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5186B606A331 for ; Mon, 9 Nov 2026 07:31:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CslatUrj Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC37A1F0089F; Mon, 9 Nov 2026 07:31:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794209494; bh=uHpDt5Z+8RB/vw9lOlSwwBYSg4hXZcK/E1hxVO38o4M=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=CslatUrjnVy5ev1k3/vYFpmufIiIt7wd10E6LsEJAWfHQduGE58+FZmIQ0SX34B6e GlMfL5vHY5u3Ms4raYlJnWOuJjyKVvrzzMeVPVlIKRfT89ApSuamQ9xLop6DM58p37 FgtSdp3Lqse7e1XAJmPgSCX3ZvC8jfQJvoE/Po1hWol+CLyqlDRK287CzaN5SJCN28 hnGo9j0ojliuC3pDkBbErjscLmM7+vB6MyAimdZsGo1oJiqQ/r2tWA5fG4AgDtJahE GdeHu+RFD+uf9Q61vA3/38E3py0lpkKSqsj0m2glCicLM7/hodVBPD406MOmTNlP8I CDlsLWfuqhnYw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2] serial: xilinx_uartps: fix runtime PM race during probe Reply-To: sashiko-reviews@lists.linux.dev To: "Radhey Shyam Pandey" Cc: linux-serial@vger.kernel.org In-Reply-To: <20261109071916.731116-1-radhey.shyam.pandey@amd.com> References: <20261109071916.731116-1-radhey.shyam.pandey@amd.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 09 Nov 2026 07:31:33 +0000 X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > From: Shubhrajyoti Datta >=20 > pm_runtime_enable() was called with usage_count=3D0, allowing the PM > core to immediately queue a deferred suspend via pm_runtime_work. > This raced with console write, causing cdns_runtime_suspend to > fire before the port was fully registered. >=20 > Hold a reference with pm_runtime_get_noresume() before enabling > runtime PM. >=20 > Fixes: d62100f1aac2 ("serial: xilinx_uartps: Add pm runtime support") > Signed-off-by: Shubhrajyoti Datta > Signed-off-by: Radhey Shyam Pandey Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261109071916.7311= 16-1-radhey.shyam.pandey@amd.com?part=3D1