linux-kernel - Re: [PATCH 34/35] tty: make tty_get_byte

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Message-ID: <CAHp75VexEtUkRFQMUnMG4C0qR6pzJQufxJcF5AS0_a571AHRTg@mail.gmail.com>
Date:   Thu, 6 May 2021 12:33:00 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Jiri Slaby <jirislaby@...nel.org>
Cc:     Joe Perches <joe@...ches.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 34/35] tty: make tty_get_byte_size available

On Thu, May 6, 2021 at 11:31 AM Jiri Slaby <jirislaby@...nel.org> wrote:
>
> On 06. 05. 21, 10:24, Andy Shevchenko wrote:
> > if (!account_flags)
> >    return bits;
> >
> > ?
>
> So I have:


Good to me, feel free to add
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
to this variant.

> unsigned char tty_get_byte_size(unsigned int cflag, bool account_flags)
> {
>          unsigned char bits;
>
>          switch (cflag & CSIZE) {
>          case CS5:
>                  bits = 5;
>                  break;
>          case CS6:
>                  bits = 6;
>                  break;
>          case CS7:
>                  bits = 7;
>                  break;
>          case CS8:
>          default:
>                  bits = 8;
>                  break;
>          }
>
>          if (!account_flags)
>                  return bits;
>
>          if (cflag & CSTOPB)
>                  bits++;
>          if (cflag & PARENB)
>                  bits++;
>
>          return bits + 2;
> }
>
> thanks,
> --
> js
> suse labs



-- 
With Best Regards,
Andy Shevchenko