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

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Date:   Tue, 30 Aug 2022 16:19:40 +0300 (EEST)
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>
cc:     linux-serial <linux-serial@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/3] serial: Add uart_xmit_advance() + fixes part (of
 a larger patch series)

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(-)
> 
>