* [PATCH] soc/tegra: pmc: Populate powergate debugfs only when needed
@ 2026-05-22 15:58 Jon Hunter
2026-05-28 20:38 ` Thierry Reding
0 siblings, 1 reply; 2+ messages in thread
From: Jon Hunter @ 2026-05-22 15:58 UTC (permalink / raw)
To: Thierry Reding; +Cc: linux-tegra, Jon Hunter
The 'powergate' debugfs node is used to show the state of the powergates
but for some devices the 'num_powergates' is 0 and so it displays
nothing. Therefore, only populate this debugfs entry for devices where
num_powergates is greater than 0.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
drivers/soc/tegra/pmc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 2ee6539d796a..3f9771dd22a5 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -3284,7 +3284,8 @@ static int tegra_pmc_probe(struct platform_device *pdev)
if (pmc->soc->set_wake_filters)
pmc->soc->set_wake_filters(pmc);
- debugfs_create_file("powergate", 0444, NULL, pmc, &powergate_fops);
+ if (pmc->soc->num_powergates)
+ debugfs_create_file("powergate", 0444, NULL, pmc, &powergate_fops);
return 0;
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] soc/tegra: pmc: Populate powergate debugfs only when needed
2026-05-22 15:58 [PATCH] soc/tegra: pmc: Populate powergate debugfs only when needed Jon Hunter
@ 2026-05-28 20:38 ` Thierry Reding
0 siblings, 0 replies; 2+ messages in thread
From: Thierry Reding @ 2026-05-28 20:38 UTC (permalink / raw)
To: Thierry Reding, Jon Hunter; +Cc: linux-tegra
From: Thierry Reding <treding@nvidia.com>
On Fri, 22 May 2026 16:58:24 +0100, Jon Hunter wrote:
> The 'powergate' debugfs node is used to show the state of the powergates
> but for some devices the 'num_powergates' is 0 and so it displays
> nothing. Therefore, only populate this debugfs entry for devices where
> num_powergates is greater than 0.
Applied, thanks!
[1/1] soc/tegra: pmc: Populate powergate debugfs only when needed
commit: e106029fc8749ff20bbe8c1c9bf6c4570ab8681d
Best regards,
--
Thierry Reding <treding@nvidia.com>
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