]> git.baikalelectronics.ru Git - kernel.git/commit
cpuidle: riscv-sbi: Fix CPU_PM_CPU_IDLE_ENTER_xyz() macro usage
authorAnup Patel <apatel@ventanamicro.com>
Mon, 18 Jul 2022 08:45:53 +0000 (14:15 +0530)
committerPalmer Dabbelt <palmer@rivosinc.com>
Fri, 23 Sep 2022 10:56:00 +0000 (03:56 -0700)
commitcfadbb9df8c4dc917787da4458327e5ec14743d4
treea2ab5b7d7fe3d366bcd221e8fa6c89e77ad77dfe
parent096b52fd2bb4996fd68d22b3b7ad21a1296db9d3
cpuidle: riscv-sbi: Fix CPU_PM_CPU_IDLE_ENTER_xyz() macro usage

Currently, we are using CPU_PM_CPU_IDLE_ENTER_PARAM() for all SBI HSM
suspend types so retentive suspend types are also treated non-retentive
and kernel will do redundant additional work for these states.

The BIT[31] of SBI HSM suspend types allows us to differentiate between
retentive and non-retentive suspend types so we should use this BIT
to call appropriate CPU_PM_CPU_IDLE_ENTER_xyz() macro.

Fixes: 6abf32f1d9c5 ("cpuidle: Add RISC-V SBI CPU idle driver")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20220718084553.2056169-1-apatel@ventanamicro.com/
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
drivers/cpuidle/cpuidle-riscv-sbi.c