From 2ea7799d563ed9bbaf3b677728e928a6cd8f580c Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Sun, 12 Jun 2022 20:03:49 -0500 Subject: lib: irqchip/plic: Constify plic_data pointers None of the functions modify the passed-in plic_data, so mark it const. Reviewed-by: Anup Patel Signed-off-by: Samuel Holland --- include/sbi_utils/irqchip/plic.h | 9 +++++---- lib/utils/irqchip/plic.c | 11 ++++++----- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/include/sbi_utils/irqchip/plic.h b/include/sbi_utils/irqchip/plic.h index 0e56d80..50be5df 100644 --- a/include/sbi_utils/irqchip/plic.h +++ b/include/sbi_utils/irqchip/plic.h @@ -17,13 +17,14 @@ struct plic_data { unsigned long num_src; }; -int plic_warm_irqchip_init(struct plic_data *plic, +int plic_warm_irqchip_init(const struct plic_data *plic, int m_cntx_id, int s_cntx_id); -int plic_cold_irqchip_init(struct plic_data *plic); +int plic_cold_irqchip_init(const struct plic_data *plic); -void plic_set_thresh(struct plic_data *plic, u32 cntxid, u32 val); +void plic_set_thresh(const struct plic_data *plic, u32 cntxid, u32 val); -void plic_set_ie(struct plic_data *plic, u32 cntxid, u32 word_index, u32 val); +void plic_set_ie(const struct plic_data *plic, u32 cntxid, + u32 word_index, u32 val); #endif diff --git a/lib/utils/irqchip/plic.c b/lib/utils/irqchip/plic.c index 0f58f3e..4c334ec 100644 --- a/lib/utils/irqchip/plic.c +++ b/lib/utils/irqchip/plic.c @@ -21,14 +21,14 @@ #define PLIC_CONTEXT_BASE 0x200000 #define PLIC_CONTEXT_STRIDE 0x1000 -static void plic_set_priority(struct plic_data *plic, u32 source, u32 val) +static void plic_set_priority(const struct plic_data *plic, u32 source, u32 val) { volatile void *plic_priority = (char *)plic->addr + PLIC_PRIORITY_BASE + 4 * source; writel(val, plic_priority); } -void plic_set_thresh(struct plic_data *plic, u32 cntxid, u32 val) +void plic_set_thresh(const struct plic_data *plic, u32 cntxid, u32 val) { volatile void *plic_thresh; @@ -40,7 +40,8 @@ void plic_set_thresh(struct plic_data *plic, u32 cntxid, u32 val) writel(val, plic_thresh); } -void plic_set_ie(struct plic_data *plic, u32 cntxid, u32 word_index, u32 val) +void plic_set_ie(const struct plic_data *plic, u32 cntxid, + u32 word_index, u32 val) { volatile char *plic_ie; @@ -52,7 +53,7 @@ void plic_set_ie(struct plic_data *plic, u32 cntxid, u32 word_index, u32 val) writel(val, plic_ie + word_index * 4); } -int plic_warm_irqchip_init(struct plic_data *plic, +int plic_warm_irqchip_init(const struct plic_data *plic, int m_cntx_id, int s_cntx_id) { size_t i, ie_words; @@ -85,7 +86,7 @@ int plic_warm_irqchip_init(struct plic_data *plic, return 0; } -int plic_cold_irqchip_init(struct plic_data *plic) +int plic_cold_irqchip_init(const struct plic_data *plic) { int i; -- cgit v1.2.3