From: Petlozu Pravareshwar <petlozup@nvidia.com>
To: <jonathanh@nvidia.com>, <thierry.reding@gmail.com>,
<p.zabel@pengutronix.de>, <dmitry.osipenko@collabora.com>,
<ulf.hansson@linaro.org>, <kkartik@nvidia.com>,
<cai.huoqing@linux.dev>, <spatra@nvidia.com>,
<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <petlozup@nvidia.com>, Manish Bhardwaj <mbhardwaj@nvidia.com>
Subject: [PATCH] soc/tegra: pmc: Check device node status property
Date: Tue, 6 Sep 2022 13:51:17 +0000 [thread overview]
Message-ID: <20220906135117.341529-1-petlozup@nvidia.com> (raw)
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
next reply other threads:[~2022-09-06 14:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-06 13:51 Petlozu Pravareshwar [this message]
2022-09-15 12:11 ` [PATCH] soc/tegra: pmc: Check device node status property Thierry Reding
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