Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_CPUIDLE_H
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#define __ASM_CPUIDLE_H
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#include <asm/proc-fns.h>
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#ifdef CONFIG_ARM64_PSEUDO_NMI
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#include <asm/arch_gicv3.h>
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struct arm_cpuidle_irq_context {
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unsigned long pmr;
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unsigned long daif_bits;
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};
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#define arm_cpuidle_save_irq_context(__c) \
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do { \
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struct arm_cpuidle_irq_context *c = __c; \
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if (system_uses_irq_prio_masking()) { \
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c->daif_bits = read_sysreg(daif); \
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write_sysreg(c->daif_bits | PSR_I_BIT | PSR_F_BIT, \
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daif); \
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c->pmr = gic_read_pmr(); \
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gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); \
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} \
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} while (0)
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#define arm_cpuidle_restore_irq_context(__c) \
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do { \
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struct arm_cpuidle_irq_context *c = __c; \
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if (system_uses_irq_prio_masking()) { \
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gic_write_pmr(c->pmr); \
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write_sysreg(c->daif_bits, daif); \
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} \
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} while (0)
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#else
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struct arm_cpuidle_irq_context { };
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#define arm_cpuidle_save_irq_context(c) (void)c
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#define arm_cpuidle_restore_irq_context(c) (void)c
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#endif
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#endif
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