From 5240d312d310f1325802f6b66b0d92afabb23911 Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Thu, 7 Sep 2023 17:19:43 +0530 Subject: lib: sbi: Don't clear mseccfg.MML bit in sbi_hart_smepmp_configure() The mseccfg.MML bit is a sticky bit which remains unchanged once set so no need to clear it in sbi_hart_smepmp_configure(). Signed-off-by: Anup Patel Signed-off-by: Mayuresh Chitale --- lib/sbi/sbi_hart.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index 48784c8..6320ea6 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -360,12 +360,10 @@ static int sbi_hart_smepmp_configure(struct sbi_scratch *scratch, unsigned long pmp_addr; /* - * Set the RLB and clear MML so that, we can write to - * entries without enforcement even if some entries - * are locked. + * Set the RLB so that, we can write to PMP entries without + * enforcement even if some entries are locked. */ csr_set(CSR_MSECCFG, MSECCFG_RLB); - csr_clear(CSR_MSECCFG, MSECCFG_MML); /* Disable the reserved entry */ pmp_disable(SBI_SMEPMP_RESV_ENTRY); -- cgit v1.1