From 5a932903446a59f91ad4d916815fa6faa195d016 Mon Sep 17 00:00:00 2001
From: Mikko Perttunen <mperttunen@nvidia.com>
Date: Mon, 27 Jun 2022 17:20:02 +0300
Subject: gpu: host1x: Allow reset to be missing
Git-commit: ee8f894f3fb326ac17b243441b8cbbb6fb0d0932
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
Host1x on Tegra234 does not have a software-controllable reset line.
As such, don't bail out if we don't find one in the device tree.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/host1x/dev.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 5a57165ab0f6..c28939850bf6 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -423,9 +423,6 @@ static int host1x_get_resets(struct host1x *host)
return err;
}
- if (WARN_ON(!host->resets[1].rstc))
- return -ENOENT;
-
return 0;
}
--
2.38.1