[PATCH v2] Coresight: Narrow down the matching range of tpdm
Suzuki K Poulose
suzuki.poulose at arm.com
Wed Nov 13 05:28:45 PST 2024
On 09/10/2024 10:17, Songwei Chai wrote:
> The format of tpdm's peripheral id is 1f0exx. To avoid potential
> conflicts in the future, update the .id_table's id to 0x001f0e00.
> This update will narrow down the matching range and prevent incorrect
> matches. For example, another component's peripheral id might be
> f0e00, which would incorrectly match the old id.
>
> Fixes: b3c71626a9333b0b29f9921a39ce ("Coresight: Add coresight TPDM source driver")
> Signed-off-by: Songwei Chai <quic_songchai at quicinc.com>
> ---
> drivers/hwtracing/coresight/coresight-tpdm.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
> index b7d99e91ab84..3230d76aed90 100644
> --- a/drivers/hwtracing/coresight/coresight-tpdm.c
> +++ b/drivers/hwtracing/coresight/coresight-tpdm.c
> @@ -1308,8 +1308,8 @@ static void tpdm_remove(struct amba_device *adev)
> */
> static struct amba_id tpdm_ids[] = {
> {
> - .id = 0x000f0e00,
> - .mask = 0x000fff00,
> + .id = 0x001f0e00,
> + .mask = 0x00ffff00,
> },
> { 0, 0, NULL },
> };
>
Looks good to me, will queue this for v6.14. Apologies for missing the
v6.13 cycle
Suzuki
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