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(parent: 31e0b78) | patch
serial: use uart_port_ref_lock() helper
authorJiri Slaby (SUSE) <jirislaby@kernel.org>
Fri, 25 Apr 2025 11:13:14 +0000 (13:13 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 25 Apr 2025 11:46:31 +0000 (13:46 +0200)
commit2b369a1e9930ef6c13858b0ed082401d731e4936
tree8bb23f93f36f4546bb6575454e852616babc49c2tree
parent31e0b7863c9bf97bc3a6d735cb4956c929134a80commit | diff
serial: use uart_port_ref_lock() helper

uart_get_icount() and uart_carrier_raised() open code
uart_port_ref_lock(). Use the helper instead.

The difference is we use _irqsave() variants of a spinlock now. But
that's "safer" than _irq().

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250425111315.1036184-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/serial_core.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)