linux-kernel - Re: [PATCH] serial: uartps: Wait for tx

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Message-ID: <CAKfKVtENc6R2c_h1Vr9AUywXJNGahctAaBz_05_kTY8vNNXeWg@mail.gmail.com>
Date:   Wed, 8 Apr 2020 12:43:51 +0530
From:   Shubhrajyoti Datta <shubhrajyoti.datta@...il.com>
To:     Raviteja Narayanam <raviteja.narayanam@...inx.com>
Cc:     linux-serial@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        jslaby@...e.com, Michal Simek <michal.simek@...inx.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>, git@...inx.com
Subject: Re: [PATCH] serial: uartps: Wait for tx_empty in console setup

Hi ,
On Tue, Apr 7, 2020 at 10:25 PM Raviteja Narayanam
<raviteja.narayanam@...inx.com> wrote:
>
> On some platforms, the log is corrupted while console is being
> registered. It is observed that when set_termios is called, there
> are still some bytes in the FIFO to be transmitted.
>
> So, wait for tx_empty inside cdns_uart_console_setup before
> calling set_termios.
>
Reviewed-by: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>