[PATCH] ACPI/IORT: Add PMCG platform information for HiSilicon HIP10/11

Yicong Yang yangyicong at huawei.com
Wed Jul 31 02:26:58 PDT 2024


From: Yicong Yang <yangyicong at hisilicon.com>

HiSilicon HIP10/11 platforms using the same SMMU PMCG with HIP09
and thus suffers the same erratum. List them in the PMCG platform
information list without introducing a new SMMU PMCG Model.

Update the silicon-errata.rst as well.

Signed-off-by: Yicong Yang <yangyicong at hisilicon.com>
---
 Documentation/arch/arm64/silicon-errata.rst | 4 ++--
 drivers/acpi/arm64/iort.c                   | 7 +++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/arch/arm64/silicon-errata.rst b/Documentation/arch/arm64/silicon-errata.rst
index bb83c5d8c675..70634e56cedd 100644
--- a/Documentation/arch/arm64/silicon-errata.rst
+++ b/Documentation/arch/arm64/silicon-errata.rst
@@ -231,8 +231,8 @@ stable kernels.
 +----------------+-----------------+-----------------+-----------------------------+
 | Hisilicon      | Hip08 SMMU PMCG | #162001800      | N/A                         |
 +----------------+-----------------+-----------------+-----------------------------+
-| Hisilicon      | Hip08 SMMU PMCG | #162001900      | N/A                         |
-|                | Hip09 SMMU PMCG |                 |                             |
+| Hisilicon      | Hip{08,09,10,10C| #162001900      | N/A                         |
+|                | ,11} SMMU PMCG  |                 |                             |
 +----------------+-----------------+-----------------+-----------------------------+
 +----------------+-----------------+-----------------+-----------------------------+
 | Qualcomm Tech. | Kryo/Falkor v1  | E1003           | QCOM_FALKOR_ERRATUM_1003    |
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 1b39e9ae7ac1..d76197bf350e 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -1703,6 +1703,13 @@ static struct acpi_platform_list pmcg_plat_info[] __initdata = {
 	/* HiSilicon Hip09 Platform */
 	{"HISI  ", "HIP09   ", 0, ACPI_SIG_IORT, greater_than_or_equal,
 	 "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09},
+	/* HiSilicon Hip10/11 Platform uses the same SMMU IP with Hip09 */
+	{"HISI  ", "HIP10   ", 0, ACPI_SIG_IORT, greater_than_or_equal,
+	 "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09},
+	{"HISI  ", "HIP10C  ", 0, ACPI_SIG_IORT, greater_than_or_equal,
+	 "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09},
+	{"HISI  ", "HIP11   ", 0, ACPI_SIG_IORT, greater_than_or_equal,
+	 "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09},
 	{ }
 };
 
-- 
2.24.0




More information about the linux-arm-kernel mailing list