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(parent: 4d38b88) | patch
printk: nbcon: Check for device_{lock,unlock} callbacks
authorMarcos Paulo de Souza <mpdesouza@suse.com>
Mon, 8 Dec 2025 14:06:16 +0000 (11:06 -0300)
committerPetr Mladek <pmladek@suse.com>
Mon, 15 Dec 2025 14:10:33 +0000 (15:10 +0100)
commitbdfcca65e7a681f7511a5c15501a01dd855f6d23
treeff289adf7fcd68f79d713671d4fa1185b63a47fftree
parent4d38b88fd17e9989429e65420bf3c33ca53b2085commit | diff
printk: nbcon: Check for device_{lock,unlock} callbacks

These callbacks are necessary to synchronize ->write_thread callback
against other operations using the same device.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Link: https://patch.msgid.link/20251208-nbcon-device-cb-fix-v2-1-36be8d195123@suse.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
kernel/printk/nbcon.c diff | blob | blame | history
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