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authorAnup Patel <[email protected]>2023-09-07 17:19:43 +0530
committerAnup Patel <[email protected]>2023-09-24 16:28:16 +0530
commit5240d312d310f1325802f6b66b0d92afabb23911 (patch)
tree2fc85bf7765bf98d1412ee6799298a4bba65af2d
parentbff27c1fb4424c0e499c427e5f1b2b72fa3b5dc3 (diff)
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 <[email protected]> Signed-off-by: Mayuresh Chitale <[email protected]>
-rw-r--r--lib/sbi/sbi_hart.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c
index 48784c85..6320ea6e 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);