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(parent: 030e16e) | patch
serial: 8250-mtk: modify mtk uart power and clock management
authorChangqi Hu <changqi.hu@mediatek.com>
Wed, 26 Feb 2020 08:53:45 +0000 (16:53 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 6 Mar 2020 12:28:30 +0000 (13:28 +0100)
commitf9e7b0c9ff3d8aa9d2e503c3a19c379af3c29664
tree5b547b8e70a0029e74c15f39e78b692eaafb65catree | snapshot
parent030e16e319a7725da495b7952eff8d0d4ef6cfcccommit | diff
serial: 8250-mtk: modify mtk uart power and clock management

MTK uart design no need to control uart clock,
so we just control bus clock in runtime function.
Add uart clock used count to avoid repeatedly switching the clock.

Signed-off-by: Changqi Hu <changqi.hu@mediatek.com>
Link: https://lore.kernel.org/r/1582707225-26815-1-git-send-email-changqi.hu@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_mtk.c diff | blob | history
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