[PATCH 03/18] dbtr: Fix endian conversion in trigger install handler
Himanshu Chauhan
himanshu.chauhan at oss.qualcomm.com
Mon May 4 08:03:35 PDT 2026
On Fri, Mar 13, 2026 at 03:19:32PM +1000, Nicholas Piggin wrote:
> An endian conversion was missed loading tdata1 from shm. Add the
> conversion and change the variable name from ctrl to tdata1 while here.
>
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> ---
> lib/sbi/sbi_dbtr.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/lib/sbi/sbi_dbtr.c b/lib/sbi/sbi_dbtr.c
> index 8f59e407..10ed6b3e 100644
> --- a/lib/sbi/sbi_dbtr.c
> +++ b/lib/sbi/sbi_dbtr.c
> @@ -589,7 +589,6 @@ int sbi_dbtr_install_trig(unsigned long smode,
> union sbi_dbtr_shmem_entry *entry;
> struct sbi_dbtr_data_msg *recv;
> struct sbi_dbtr_id_msg *xmit;
> - unsigned long ctrl;
> struct sbi_dbtr_trigger *trig;
> struct sbi_dbtr_hart_triggers_state *hs = NULL;
>
> @@ -609,17 +608,19 @@ int sbi_dbtr_install_trig(unsigned long smode,
>
> /* Check requested triggers configuration */
> for_each_trig_entry(shmem_base, trig_count, typeof(*entry), entry) {
> + unsigned long tdata1;
> +
> recv = (struct sbi_dbtr_data_msg *)(&entry->data);
> - ctrl = recv->tdata1;
> + tdata1 = lle_to_cpu(recv->tdata1);
>
> - if (!dbtr_trigger_supported(TDATA1_GET_TYPE(ctrl))) {
> + if (!dbtr_trigger_supported(TDATA1_GET_TYPE(tdata1))) {
> *out = _idx;
> sbi_hart_protection_unmap_range((unsigned long)shmem_base,
> trig_count * sizeof(*entry));
> return SBI_ERR_FAILED;
> }
>
> - if (!dbtr_trigger_valid(TDATA1_GET_TYPE(ctrl), ctrl)) {
> + if (!dbtr_trigger_valid(TDATA1_GET_TYPE(tdata1), tdata1)) {
> *out = _idx;
> sbi_hart_protection_unmap_range((unsigned long)shmem_base,
> trig_count * sizeof(*entry));
Looks good.
Reviewed-by: Himanshu Chauhan <himanshu.chauhan at oss.qualcomm.com>
Thanks
Himanshu
> --
> 2.51.0
>
>
> --
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