Thread (35 messages) 35 messages, 3 authors, 2019-08-27

Re: [PATCH 04/14] serial: tegra: protect IER against LCR.DLAB

From: Thierry Reding <hidden>
Date: 2019-08-13 09:46:42
Also in: linux-serial, linux-tegra, lkml

On Mon, Aug 12, 2019 at 04:58:13PM +0530, Krishna Yarlagadda wrote:
From: Ahung Cheng <redacted>

The IER and DLH registers occupy the same address space, selected by
the LCR.DLAB bit. Hence, add port lock to protect IER when LCR.DLAB bit
is set.

Signed-off-by: Ahung Cheng <redacted>
Signed-off-by: Krishna Yarlagadda <redacted>
---
 drivers/tty/serial/serial-tegra.c | 3 +++
 1 file changed, 3 insertions(+)
Acked-by: Thierry Reding <redacted>

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