[PATCH v2 09/12] memory: tegra: Only initialize reset controller if available
Thierry Reding
thierry.reding at gmail.com
Tue Jun 1 10:59:39 PDT 2021
From: Thierry Reding <treding at nvidia.com>
The memory controller hot resets are implemented in the BPMP on Tegra186
and later, so there's no need to provide an implementation via the
memory controller driver. Conditionally register the reset controller
only if needed.
Signed-off-by: Thierry Reding <treding at nvidia.com>
---
drivers/memory/tegra/mc.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index b14b0333b623..7ae3d8faae38 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -768,10 +768,11 @@ static int tegra_mc_probe(struct platform_device *pdev)
}
}
- err = tegra_mc_reset_setup(mc);
- if (err < 0)
- dev_err(&pdev->dev, "failed to register reset controller: %d\n",
- err);
+ if (mc->soc->reset_ops) {
+ err = tegra_mc_reset_setup(mc);
+ if (err < 0)
+ dev_err(&pdev->dev, "failed to register reset controller: %d\n", err);
+ }
err = tegra_mc_interconnect_setup(mc);
if (err < 0)
--
2.31.1
More information about the linux-arm-kernel
mailing list