From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arun Parameswaran Subject: Re: [PATCH v2 7/7] net: phy: Add pm support to Broadcom iProc mdio mux driver Date: Tue, 31 Jul 2018 10:51:48 -0700 Message-ID: References: <1532726613-6483-1-git-send-email-arun.parameswaran@broadcom.com> <1532726613-6483-8-git-send-email-arun.parameswaran@broadcom.com> <8d732031-c5e8-d6ea-5b61-3b9baf79796f@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com To: Florian Fainelli , "David S. Miller" , Andrew Lunn , Rob Herring , Mark Rutland , Ray Jui , Scott Branden , Catalin Marinas , Will Deacon Return-path: Received: from mail-qk0-f196.google.com ([209.85.220.196]:38257 "EHLO mail-qk0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731512AbeGaTcy (ORCPT ); Tue, 31 Jul 2018 15:32:54 -0400 Received: by mail-qk0-f196.google.com with SMTP id 126-v6so10834109qke.5 for ; Tue, 31 Jul 2018 10:51:29 -0700 (PDT) In-Reply-To: <8d732031-c5e8-d6ea-5b61-3b9baf79796f@gmail.com> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: Hi Florian, On 18-07-30 03:53 PM, Florian Fainelli wrote: > On 07/27/2018 02:23 PM, Arun Parameswaran wrote: >> Add support for suspend and resume to the Broadcom iProc mdio >> mux driver. >> >> Signed-off-by: Arun Parameswaran >> --- >> drivers/net/phy/mdio-mux-bcm-iproc.c | 28 ++++++++++++++++++++++++++++ >> 1 file changed, 28 insertions(+) >> >> diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c >> index 51d1003..d89dce0 100644 >> --- a/drivers/net/phy/mdio-mux-bcm-iproc.c >> +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c >> @@ -290,6 +290,33 @@ static int mdio_mux_iproc_remove(struct platform_device *pdev) >> return 0; >> } >> >> +#ifdef CONFIG_PM_SLEEP >> +static int mdio_mux_iproc_suspend(struct device *dev) >> +{ >> + struct iproc_mdiomux_desc *md = dev_get_drvdata(dev); >> + >> + if (md->core_clk) >> + clk_disable_unprepare(md->core_clk); > > Since you are assigning md->core_clk to NULL in case clk_get() returned > an error, checking for md->core_clk is not necessary since the Linux > common clock framework perform that NULL check already. > Will remove the check. I am working on Andrew's comments (which will add one more patch to the series). I will send the whole patchset again, with reviewed-by tags (From Florian and Andrew on the ones that apply). Thanks Arun