linux-kernel - Re: [PATCHv2] serial: 8250: omap: Fix idling of clocks for unused uarts

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Date:   Fri, 4 May 2018 10:39:31 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Peter Hurley <peter@...leysoftware.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Peter Ujfalusi <peter.ujfalusi@...com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Vignesh R <vigneshr@...com>, linux-serial@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
        Keerthy <j-keerthy@...com>,
        Matthijs van Duin <matthijsvanduin@...il.com>,
        Sekhar Nori <nsekhar@...com>, Tero Kristo <t-kristo@...com>
Subject: Re: [PATCHv2] serial: 8250: omap: Fix idling of clocks for unused
 uarts

* Tony Lindgren <tony@...mide.com> [180504 17:33]:
> I noticed that unused UARTs won't necessarily idle properly always
> unless at least one byte tx transfer is done first.
> ---
>  arch/arm/mach-actions/platsmp.c     |  6 +++---
>  arch/arm/mach-exynos/platsmp.c      | 12 ++++++------
>  arch/arm/mach-hisi/platmcpm.c       | 22 +++++++++++-----------
>  arch/arm/mach-omap2/omap-smp.c      | 10 +++++-----
>  arch/arm/mach-prima2/platsmp.c      | 10 +++++-----
>  arch/arm/mach-qcom/platsmp.c        | 10 +++++-----
>  arch/arm/mach-spear/platsmp.c       | 10 +++++-----
>  arch/arm/mach-sti/platsmp.c         | 10 +++++-----
>  arch/arm/mach-sunxi/mc_smp.c        | 20 ++++++++++----------
>  arch/arm/plat-versatile/platsmp.c   | 10 +++++-----
>  drivers/tty/serial/8250/8250_omap.c | 16 +++++++++++++++-
>  11 files changed, 75 insertions(+), 61 deletions(-)

Uhh sorry I managed to commit also a patch I was testing while
updating patch comments.. Will send out v3 shortly, this can be
ignored.

Regards,

Tony