From 415ecf28f7ade7ba5a48a0cc9be8d45a7539dd89 Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Sun, 12 Jun 2022 20:03:51 -0500 Subject: lib: irqchip/plic: Add context save/restore helpers These can be used by platform code to save the PLIC context state, if it would otherwise be lost during non-retentive suspend. The platform is responsible for allocating all necessary storage. Reviewed-by: Anup Patel Signed-off-by: Samuel Holland --- include/sbi_utils/irqchip/plic.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include') diff --git a/include/sbi_utils/irqchip/plic.h b/include/sbi_utils/irqchip/plic.h index 8f21af64..21b22661 100644 --- a/include/sbi_utils/irqchip/plic.h +++ b/include/sbi_utils/irqchip/plic.h @@ -17,6 +17,12 @@ struct plic_data { unsigned long num_src; }; +void plic_context_save(const struct plic_data *plic, int context_id, + u32 *enable, u32 *threshold); + +void plic_context_restore(const struct plic_data *plic, int context_id, + const u32 *enable, u32 threshold); + int plic_context_init(const struct plic_data *plic, int context_id, bool enable, u32 threshold); -- cgit v1.3.1