arm64: cpufeature: Enable Qualcomm Falkor errata 1009 for Kryo

The Kryo cores share errata 1009 with Falkor, so add their model
definitions and enable it for them as well.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[will: Update entry in silicon-errata.rst]
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index ab7ed2f..25d6227 100644 (file)
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -126,7 +126,7 @@ stable kernels.
 +----------------+-----------------+-----------------+-----------------------------+
 | Qualcomm Tech. | Kryo/Falkor v1  | E1003           | QCOM_FALKOR_ERRATUM_1003    |
 +----------------+-----------------+-----------------+-----------------------------+
-| Qualcomm Tech. | Falkor v1       | E1009           | QCOM_FALKOR_ERRATUM_1009    |
+| Qualcomm Tech. | Kryo/Falkor v1  | E1009           | QCOM_FALKOR_ERRATUM_1009    |
 +----------------+-----------------+-----------------+-----------------------------+
 | Qualcomm Tech. | QDF2400 ITS     | E0065           | QCOM_QDF2400_ERRATUM_0065   |
 +----------------+-----------------+-----------------+-----------------------------+

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 7f9b699..091e3ec 100644 (file)
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -659,17 +659,23 @@ static const struct midr_range arm64_harden_el2_vectors[] = {
 #endif
 
 #ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
-
-static const struct midr_range arm64_repeat_tlbi_cpus[] = {
+static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
 #ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
-       MIDR_RANGE(MIDR_QCOM_FALKOR_V1, 0, 0, 0, 0),
+       {
+               ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0)
+       },
+       {
+               .midr_range.model = MIDR_QCOM_KRYO,
+               .matches = is_kryo_midr,
+       },
 #endif
 #ifdef CONFIG_ARM64_ERRATUM_1286807
-       MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
+       {
+               ERRATA_MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
+       },
 #endif
        {},
 };
-
 #endif
 
 #ifdef CONFIG_CAVIUM_ERRATUM_27456
@@ -825,7 +831,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
        {
                .desc = "Qualcomm erratum 1009, ARM erratum 1286807",
                .capability = ARM64_WORKAROUND_REPEAT_TLBI,
-               ERRATA_MIDR_RANGE_LIST(arm64_repeat_tlbi_cpus),
+               .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+               .matches = cpucap_multi_entry_cap_matches,
+               .match_list = arm64_repeat_tlbi_list,
        },
 #endif
 #ifdef CONFIG_ARM64_ERRATUM_858921