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Revert "interconnect: Teach lockdep about icc_bw_lock order" 

This reverts commit 0db211ec0f 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 19ec82b3ca
commit 559035e04e
1 changed files with 1 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/interconnect/core.c
View File

@ -1146,21 +1146,13 @@ 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);