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platform/chrome: cros_ec: Unregister notifier in cros_ec_unregister()

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[ Upstream commit e2374953461947eee49f69b3e3204ff080ef31b1 ]

The blocking notifier is registered in cros_ec_register(); however, it
isn't unregistered in cros_ec_unregister().

Fix it.

Fixes: 42cd0ab476 ("platform/chrome: cros_ec: Query EC protocol version if EC transitions between RO/RW")
Cc: stable@vger.kernel.org
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20250722120513.234031-1-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tzung-Bi Shih
2025-08-21 12:14:37 -04:00
committed by Greg Kroah-Hartman
parent 5b5a17dfa5
commit 52da3b69b4
1 changed files with 3 additions and 0 deletions
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3
drivers/platform/chrome/cros_ec.c
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@@ -292,6 +292,9 @@ EXPORT_SYMBOL(cros_ec_register);
*/
void cros_ec_unregister(struct cros_ec_device *ec_dev)
{
if (ec_dev->mkbp_event_supported)
blocking_notifier_chain_unregister(&ec_dev->event_notifier,
&ec_dev->notifier_ready);
platform_device_unregister(ec_dev->pd);
platform_device_unregister(ec_dev->ec);
mutex_destroy(&ec_dev->lock);