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lib: sbi: Optimize probe of srst/susp
No need to do a fully comprehensive count, just find a supported reset or suspend type Signed-off-by: Xiang W <wxjstz@126.com> Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>
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parent
8b952d4fcd
commit
767b5fc418
2 changed files with 12 additions and 8 deletions
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@ -50,7 +50,7 @@ static int sbi_ecall_srst_handler(unsigned long extid, unsigned long funcid,
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static int sbi_ecall_srst_probe(unsigned long extid, unsigned long *out_val)
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{
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u32 type, count = 0;
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u32 type;
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/*
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* At least one standard reset types should be supported by
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@ -59,11 +59,13 @@ static int sbi_ecall_srst_probe(unsigned long extid, unsigned long *out_val)
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for (type = 0; type <= SBI_SRST_RESET_TYPE_LAST; type++) {
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if (sbi_system_reset_supported(type,
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SBI_SRST_RESET_REASON_NONE))
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count++;
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SBI_SRST_RESET_REASON_NONE)) {
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*out_val = 1;
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return 0;
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}
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}
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*out_val = (count) ? 1 : 0;
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*out_val = 0;
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return 0;
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}
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@ -25,18 +25,20 @@ static int sbi_ecall_susp_handler(unsigned long extid, unsigned long funcid,
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static int sbi_ecall_susp_probe(unsigned long extid, unsigned long *out_val)
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{
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u32 type, count = 0;
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u32 type;
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/*
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* At least one suspend type should be supported by the
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* platform for the SBI SUSP extension to be usable.
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*/
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for (type = 0; type <= SBI_SUSP_SLEEP_TYPE_LAST; type++) {
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if (sbi_system_suspend_supported(type))
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count++;
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if (sbi_system_suspend_supported(type)) {
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*out_val = 1;
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return 0;
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}
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}
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*out_val = count ? 1 : 0;
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*out_val = 0;
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return 0;
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}
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