Mirrors/opensbi
1
0
Fork 1
mirror of https://github.com/riscv-software-src/opensbi.git synced 2025-08-24 15:31:22 +01:00
Code Issues Packages Projects Releases Wiki Activity

lib: utils/irqchip: Avoid redundant writes to APLIC CLRIE register

Browse Source 
Each APLIC CLRIE register allows disabling 32 interrupt sources at
a time by writing -1 so no need to write CLRIE register separately
for each interrupt source.

Fixes: 99792653de ("lib: utils/irqchip: Add APLIC initialization library")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
This commit is contained in:
Anup Patel
2023-11-21 11:34:14 +05:30
committed by Anup Patel
parent 574b9c8ec2
commit 791704cd09
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/utils/irqchip/aplic.c
View File

@@ -193,7 +193,7 @@ int aplic_cold_irqchip_init(struct aplic_data *aplic)
writel(0, (void *)(aplic->addr + APLIC_DOMAINCFG));
/* Disable all interrupts */
for (i = 0; i <= aplic->num_source; i++)
for (i = 0; i <= aplic->num_source; i += 32)
writel(-1U, (void *)(aplic->addr + APLIC_CLRIE_BASE +
(i / 32) * sizeof(u32)));