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dbtr: Fix sbi_dbtr_read_trig to read from CSRs

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sbi_dbtr_read_trig returned the saved state of tdata{1-3}, when it
should have returned the updated state read from CSRs.

Update sbi_dbtr_read_trig to return updated state read from CSRs.

Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Jesse Taube <jesse@rivosinc.com>
Link: https://lore.kernel.org/r/20250811152947.851208-1-jesse@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Jesse Taube
2025-08-11 08:29:47 -07:00
committed by Anup Patel
parent 4b687e3669
commit 6a1f53bc2d
1 changed files with 4 additions and 0 deletions
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4
lib/sbi/sbi_dbtr.c
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@@ -563,6 +563,10 @@ int sbi_dbtr_read_trig(unsigned long smode,
for_each_trig_entry(shmem_base, trig_count, typeof(*entry), entry) {
xmit = &entry->data;
trig = INDEX_TO_TRIGGER((_idx + trig_idx_base));
csr_write(CSR_TSELECT, trig->index);
trig->tdata1 = csr_read(CSR_TDATA1);
trig->tdata2 = csr_read(CSR_TDATA2);
trig->tdata3 = csr_read(CSR_TDATA3);
xmit->tstate = cpu_to_lle(trig->state);
xmit->tdata1 = cpu_to_lle(trig->tdata1);
xmit->tdata2 = cpu_to_lle(trig->tdata2);