* [PATCH] soc/tegra: pmc: Check device node status property
@ 2022-09-06 13:51 Petlozu Pravareshwar
2022-09-15 12:11 ` Thierry Reding
0 siblings, 1 reply; 2+ messages in thread
From: Petlozu Pravareshwar @ 2022-09-06 13:51 UTC (permalink / raw)
To: jonathanh, thierry.reding, p.zabel, dmitry.osipenko, ulf.hansson,
kkartik, cai.huoqing, spatra, linux-tegra, linux-kernel
Cc: petlozup, Manish Bhardwaj
In early_initcall, check if PMC device is available for use
and avoid accessing PMC resources if the device node status
property is set to disabled.
Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com>
---
drivers/soc/tegra/pmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 6a86961477e8..8c7b46ac6ad6 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -4295,7 +4295,7 @@ static int __init tegra_pmc_early_init(void)
return -ENXIO;
}
- if (np) {
+ if (of_device_is_available(np)) {
pmc->soc = match->data;
if (pmc->soc->maybe_tz_only)
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] soc/tegra: pmc: Check device node status property
2022-09-06 13:51 [PATCH] soc/tegra: pmc: Check device node status property Petlozu Pravareshwar
@ 2022-09-15 12:11 ` Thierry Reding
0 siblings, 0 replies; 2+ messages in thread
From: Thierry Reding @ 2022-09-15 12:11 UTC (permalink / raw)
To: Petlozu Pravareshwar
Cc: jonathanh, p.zabel, dmitry.osipenko, ulf.hansson, kkartik,
cai.huoqing, spatra, linux-tegra, linux-kernel, Manish Bhardwaj
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On Tue, Sep 06, 2022 at 01:51:17PM +0000, Petlozu Pravareshwar wrote:
> In early_initcall, check if PMC device is available for use
> and avoid accessing PMC resources if the device node status
> property is set to disabled.
>
> Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
> Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com>
> ---
> drivers/soc/tegra/pmc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks.
Thierry
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-09-06 13:51 [PATCH] soc/tegra: pmc: Check device node status property Petlozu Pravareshwar
2022-09-15 12:11 ` Thierry Reding
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