Commit a4944572 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Wolfram Sang

Revert "i2c: core: Dispose OF IRQ mapping at client removal time"

This reverts commit e4df3a0b
("i2c: core: Dispose OF IRQ mapping at client removal time")

Calling irq_dispose_mapping() will destroy the mapping and disassociate
the IRQ from the IRQ chip to which it belongs. Keeping it is OK, because
existent mappings are reused properly.

Also, this commit breaks drivers using devm* for IRQ management on
OF-based systems because devm* cleanup happens in device code, after
bus's remove() method returns.
Signed-off-by: default avatarJakub Kicinski <kubakici@wp.pl>
Reported-by: default avatarSébastien Szymanski <sebastien.szymanski@armadeus.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
[wsa: updated the commit message with findings fromt the other bug report]
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
Fixes: e4df3a0b
parent 9eccca08
...@@ -679,9 +679,6 @@ static int i2c_device_remove(struct device *dev) ...@@ -679,9 +679,6 @@ static int i2c_device_remove(struct device *dev)
status = driver->remove(client); status = driver->remove(client);
} }
if (dev->of_node)
irq_dispose_mapping(client->irq);
dev_pm_domain_detach(&client->dev, true); dev_pm_domain_detach(&client->dev, true);
return status; return status;
} }
......
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