[PATCH] coresight: Only register perf symlink for sinks with alloc_buffer

[Suzuki K Poulose]

On Mon, 30 Jun 2025 18:26:19 +0800, Yuanfang Zhang wrote:
> Ensure that etm_perf_add_symlink_sink() is only called for devices
> that implement the alloc_buffer operation. This prevents invalid
> symlink creation for dummy sinks that do not implement alloc_buffer.
> 
> Without this check, perf may attempt to use a dummy sink that lacks
> alloc_buffer operationsu to initialise perf's ring buffer, leading
> to runtime failures.
> 
> [...]

Applied, thanks!

[1/1] coresight: Only register perf symlink for sinks with alloc_buffer
      https://git.kernel.org/coresight/c/59b61f70

Best regards,
-- 
Suzuki K Poulose <suzuki.poulose at arm.com>