Re: [PATCH v2 0/3] serial: Add uart_xmit_advance() + fixes part (of a larger patch series)

From: Ilpo Järvinen
Date: Tue Aug 30 2022 - 09:20:14 EST


On Tue, 30 Aug 2022, Ilpo Järvinen wrote:

> Add uart_xmit_advance() helper to handle circular xmit buffer
> advancement + accounting of Tx'ed bytes. Use it to fix a few drivers
> that previously lacked to accounting for DMA Tx.
>
> Greg,
> I've a another series on top this which is tty-next material making the
> rest of the drivers to use uart_xmit_advance(). That series obviously
> depends on the patch 1/3 of this series so if you end up putting these
> 3 patches into tty-linus, I'll need it to be merged into tty-next at
> some point (I'm not in a big hurry with this so if you choose to delay
> the merge, it's not a big deal).

This merge, btw, is no longer that important because I agreed with Jiri to
wait for his tx loop rewrite series.

--
i.

> v2:
> - Correct tags
>
> Ilpo Järvinen (3):
> serial: Create uart_xmit_advance()
> serial: tegra: Use uart_xmit_advance(), fixes icount.tx accounting
> serial: tegra-tcu: Use uart_xmit_advance(), fixes icount.tx accounting
>
> drivers/tty/serial/serial-tegra.c | 5 ++---
> drivers/tty/serial/tegra-tcu.c | 2 +-
> include/linux/serial_core.h | 17 +++++++++++++++++
> 3 files changed, 20 insertions(+), 4 deletions(-)
>
>