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serial: Create uart_xmit_advance()
authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Thu, 1 Sep 2022 14:39:32 +0000 (17:39 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 7 Sep 2022 14:40:16 +0000 (16:40 +0200)
commit8b97ea28c8a5d6a2d6bf4d040409fe21fe84e532
tree321140bf658608a5eeeea944ef2710a25f8dcaf4tree | snapshot
parentfb4ff2bbeecbd28191ebeb06694fc5cebf5f1075commit | diff
serial: Create uart_xmit_advance()

A very common pattern in the drivers is to advance xmit tail
index and do bookkeeping of Tx'ed characters. Create
uart_xmit_advance() to handle it.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220901143934.8850-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/serial_core.h diff | blob | history
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