Check if the platform supports and only then add a debugfs entry for PCH IP power gating status.
Cc: Peter Zijlstra <[email protected]> Cc: Srinivas Pandruvada <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: Kan Liang <[email protected]> Cc: David E. Box <[email protected]> Cc: Rajneesh Bhardwaj <[email protected]> Cc: Tony Luck <[email protected]> Reviewed-by: Tony Luck <[email protected]> Signed-off-by: Gayatri Kammela <[email protected]> --- drivers/platform/x86/intel_pmc_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c index c6a0c29d3476..ea43a5989c96 100644 --- a/drivers/platform/x86/intel_pmc_core.c +++ b/drivers/platform/x86/intel_pmc_core.c @@ -788,8 +788,9 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev) debugfs_create_file("slp_s0_residency_usec", 0444, dir, pmcdev, &pmc_core_dev_state); - debugfs_create_file("pch_ip_power_gating_status", 0444, dir, pmcdev, - &pmc_core_ppfear_fops); + if (pmcdev->map->pfear_sts) + debugfs_create_file("pch_ip_power_gating_status", 0444, dir, + pmcdev, &pmc_core_ppfear_fops); debugfs_create_file("ltr_ignore", 0644, dir, pmcdev, &pmc_core_ltr_ignore_ops); -- 2.17.1
