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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b93b7e197cdsm1804407a12.4.2025.10.31.04.11.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 04:11:48 -0700 (PDT) From: Punit Agrawal To: catalin.marinas@arm.com, will@kernel.org Cc: Punit Agrawal , chenl311@chinatelecom.cn, liuwei09@cestc.cn, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] Revert "ACPI: Suppress misleading SPCR console message when SPCR table is absent" Date: Fri, 31 Oct 2025 11:11:37 +0000 Message-Id: <20251031111138.1262202-2-punit.agrawal@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251031111138.1262202-1-punit.agrawal@oss.qualcomm.com> References: <20251031111138.1262202-1-punit.agrawal@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDMxMDEwMCBTYWx0ZWRfXzI5r7HEqOYmx 0JqGT7K5p42h9PCFTVvoHYHkuYKyja4ZjmyBoXriLl0azXoNfbUb6fZOpOjV1opvky5UbJEQIW5 iUfnn9dnw85Gajp9ghonsfzwPa7H/I+ZGH4NUA6iRZtdRveKG/N4+g6Xma7P/C2y/RoMcsn9Cyq E5/lkmupzp6LoVQgMFJwpvEcu0Uuqg3dWrgdgsImYYwVBNlIgqh5FcyKCwn2M6i+jW+xyh3bNd8 OqjXpHLNJbI/06Ps9REowhBO5ln4Gx3ijFTPUQxet5TuidP+X8/ByLcOOSBUBf+MEEJcmEfccvE ZICxBGVLwLhTZhegCJSnXPk6t17STgGLUaV429wI5rVqjb7ekwW5uZqIQoxKol+vCbjnk/JHe3V pqVex/U7X7jUbYsb0PrmklogjadUoA== X-Authority-Analysis: v=2.4 cv=Q8PfIo2a c=1 sm=1 tr=0 ts=69049976 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=x6icFKpwvdMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=j6aNjNhqBAspAJ6NNroA:9 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-ORIG-GUID: L1sJBYGSt9wHlaf_bO1Elp62PX62cfNh X-Proofpoint-GUID: L1sJBYGSt9wHlaf_bO1Elp62PX62cfNh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-10-31_03,2025-10-29_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 adultscore=0 malwarescore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2510310100 Content-Type: text/plain; charset="utf-8" This reverts commit bad3fa2fb9206f4dcec6ddef094ec2fbf6e8dcb2. Commit bad3fa2fb920 ("ACPI: Suppress misleading SPCR console message when SPCR table is absent") mistakenly assumes acpi_parse_spcr() returning 0 to indicate a failure to parse SPCR. While addressing the resultant incorrect logging it was deemed that dropping the message is a better approach as it is not particularly useful. Roll back the commit introducing the bug as a step towards dropping the log message. Link: https://lore.kernel.org/all/aQN0YWUYaPYWpgJM@willie-the-truck/ Signed-off-by: Punit Agrawal --- arch/arm64/kernel/acpi.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c index 7aca29e1d30b..fd164e8a35b2 100644 --- a/arch/arm64/kernel/acpi.c +++ b/arch/arm64/kernel/acpi.c @@ -197,8 +197,6 @@ static int __init acpi_fadt_sanity_check(void) */ void __init acpi_boot_table_init(void) { - int ret; - /* * Enable ACPI instead of device tree unless * - ACPI has been disabled explicitly (acpi=3Doff), or @@ -252,12 +250,10 @@ void __init acpi_boot_table_init(void) * behaviour, use acpi=3Dnospcr to disable console in ACPI SPCR * table as default serial console. */ - ret =3D acpi_parse_spcr(earlycon_acpi_spcr_enable, + acpi_parse_spcr(earlycon_acpi_spcr_enable, !param_acpi_nospcr); - if (!ret || param_acpi_nospcr || !IS_ENABLED(CONFIG_ACPI_SPCR_TABLE)) - pr_info("Use ACPI SPCR as default console: No\n"); - else - pr_info("Use ACPI SPCR as default console: Yes\n"); + pr_info("Use ACPI SPCR as default console: %s\n", + param_acpi_nospcr ? 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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b93b7e197cdsm1804407a12.4.2025.10.31.04.11.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 04:11:51 -0700 (PDT) From: Punit Agrawal To: catalin.marinas@arm.com, will@kernel.org Cc: Punit Agrawal , chenl311@chinatelecom.cn, liuwei09@cestc.cn, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] arm64: acpi: Drop message logging SPCR default console Date: Fri, 31 Oct 2025 11:11:38 +0000 Message-Id: <20251031111138.1262202-3-punit.agrawal@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251031111138.1262202-1-punit.agrawal@oss.qualcomm.com> References: <20251031111138.1262202-1-punit.agrawal@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDMxMDEwMCBTYWx0ZWRfX64KoepbjAsBT bctdLhsSpfSnFnMOh4BaEWPxhMyrEK4BUa6Yg2oXzJKjHHS4SYMFjXVDFPCJD31qhH2ugJl4bs9 iDxkd01+fS9TsrQD5UHbklmf7RHKmSTTrq0ys1//TFQRpvbL7hAuKqO6dEfPbfigenYS3Lg8EYc YbHC0DUtWwbbrGUfbbhl0K7rGmo+YED4rLcsvKtcHbOkDEXhcdaRnRIdn8tbMMAIKnezsg0LH0S Dz7gUva9S3/FGQD4z2ROICw2Jo+c/r6m8Oak4jRScvD2qj5w7lGIs9pqoVi100BBnxafXqPPjMl UcxWR4+OVA0IuRbAz7th5X31m54imjbR14s6Acsup/iZ599BQPrsuJvzk6pK5w55fxWhB+pA2XI OPkuoDM4QQHwacMJM0qqln57QtdmGA== X-Authority-Analysis: v=2.4 cv=Bv2QAIX5 c=1 sm=1 tr=0 ts=69049979 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=x6icFKpwvdMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=7d2iCxtYs5MYwnuMALYA:9 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-GUID: mfU817o4ZZwTK9t45swiM1HaDBUYvjhU X-Proofpoint-ORIG-GUID: mfU817o4ZZwTK9t45swiM1HaDBUYvjhU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-10-31_03,2025-10-29_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 adultscore=0 malwarescore=0 spamscore=0 clxscore=1015 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2510310100 Content-Type: text/plain; charset="utf-8" Commit f5a4af3c7527 ("ACPI: Add acpi=3Dnospcr to disable ACPI SPCR as default console on ARM64") introduced a command line parameter to prevent using SPCR provided console as default. It also introduced a message to log this choice. Drop the message as it is not particularly useful and can be incorrect in situations where no SPCR is provided by the firmware. Link: https://lore.kernel.org/all/aQN0YWUYaPYWpgJM@willie-the-truck/ Signed-off-by: Punit Agrawal --- arch/arm64/kernel/acpi.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c index fd164e8a35b2..c022c1acb8c7 100644 --- a/arch/arm64/kernel/acpi.c +++ b/arch/arm64/kernel/acpi.c @@ -252,8 +252,6 @@ void __init acpi_boot_table_init(void) */ acpi_parse_spcr(earlycon_acpi_spcr_enable, !param_acpi_nospcr); - pr_info("Use ACPI SPCR as default console: %s\n", - param_acpi_nospcr ? "No" : "Yes"); =20 if (IS_ENABLED(CONFIG_ACPI_BGRT)) acpi_table_parse(ACPI_SIG_BGRT, acpi_parse_bgrt); --=20 2.34.1