Revert "interconnect: Teach lockdep about icc_bw_lock order"

This reverts commit e3a29b80e9 which is
commit 1361917030 upstream.

It is reported to cause boot crashes in Android systems, so revert it
from the stable trees for now.

Cc: Rob Clark <robdclark@chromium.org>
Cc: Georgi Djakov <djakov@kernel.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2024-03-04 14:12:15 +01:00
parent fe549d8e97
commit 20f5aafe52

View File

@ -1135,21 +1135,13 @@ void icc_sync_state(struct device *dev)
}
}
}
mutex_unlock(&icc_bw_lock);
mutex_unlock(&icc_lock);
}
EXPORT_SYMBOL_GPL(icc_sync_state);
static int __init icc_init(void)
{
struct device_node *root;
/* Teach lockdep about lock ordering wrt. shrinker: */
fs_reclaim_acquire(GFP_KERNEL);
might_lock(&icc_bw_lock);
fs_reclaim_release(GFP_KERNEL);
root = of_find_node_by_path("/");
struct device_node *root = of_find_node_by_path("/");
providers_count = of_count_icc_providers(root);
of_node_put(root);