2022-09-06 16:21:53

by Petlozu Pravareshwar

[permalink] [raw]
Subject: [PATCH] soc/tegra: pmc: Check device node status property

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 <[email protected]>
Signed-off-by: Petlozu Pravareshwar <[email protected]>
---
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


2022-09-15 12:15:52

by Thierry Reding

[permalink] [raw]
Subject: Re: [PATCH] soc/tegra: pmc: Check device node status property

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 <[email protected]>
> Signed-off-by: Petlozu Pravareshwar <[email protected]>
> ---
> drivers/soc/tegra/pmc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

Thierry


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