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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:16 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:16 +0000 |
| commit | e6d73558dbbb7041d93e28ac0e75bfb196851eb3 (patch) | |
| tree | 8163dc603931d5e46404bd055c13f1cc3c1f6730 /arch/arm64/kernel/fpsimd.c | |
| parent | Releasing progress-linux version 6.1.76-1progress7u1. (diff) | |
| download | linux-e6d73558dbbb7041d93e28ac0e75bfb196851eb3.tar.xz linux-e6d73558dbbb7041d93e28ac0e75bfb196851eb3.zip | |
Merging upstream version 6.1.82.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm64/kernel/fpsimd.c')
| -rw-r--r-- | arch/arm64/kernel/fpsimd.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 8c226d79a..59b5a16ba 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -1347,6 +1347,20 @@ void __init sme_setup(void) get_sme_default_vl()); } +void sme_suspend_exit(void) +{ + u64 smcr = 0; + + if (!system_supports_sme()) + return; + + if (system_supports_fa64()) + smcr |= SMCR_ELx_FA64; + + write_sysreg_s(smcr, SYS_SMCR_EL1); + write_sysreg_s(0, SYS_SMPRI_EL1); +} + #endif /* CONFIG_ARM64_SME */ static void sve_init_regs(void) |