From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCHv2] serial: 8250: omap: Fix idling of clocks for unused uarts Date: Fri, 4 May 2018 10:39:31 -0700 Message-ID: <20180504173931.GD98604@atomide.com> References: <20180504173103.73881-1-tony@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20180504173103.73881-1-tony@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Peter Hurley , Greg Kroah-Hartman Cc: Peter Ujfalusi , Sebastian Andrzej Siewior , Vignesh R , linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Keerthy , Matthijs van Duin , Sekhar Nori , Tero Kristo List-Id: linux-serial@vger.kernel.org * Tony Lindgren [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