From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: Re: [PATCH v4 2/3] ata: ahci_platform: Manage SATA PHY Date: Thu, 9 Jan 2014 17:07:29 +0530 Message-ID: <52CE89F9.4040908@ti.com> References: <1389264962-22858-1-git-send-email-rogerq@ti.com> <1389264962-22858-3-git-send-email-rogerq@ti.com> <52CE85E9.7040703@cogentembedded.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <52CE85E9.7040703@cogentembedded.com> Sender: linux-ide-owner@vger.kernel.org To: Sergei Shtylyov , tj@kernel.org Cc: kishon@ti.com, b.zolnierkie@samsung.com, hdegoede@redhat.com, arnd@arndb.de, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Balaji T K List-Id: devicetree@vger.kernel.org On 01/09/2014 04:50 PM, Sergei Shtylyov wrote: > On 09-01-2014 14:56, Roger Quadros wrote: > >> From: Balaji T K > >> Some platforms have a PHY hooked up to the >> SATA controller. The PHY needs to be initialized >> and powered up for SATA to work. We do that >> using the PHY framework. > >> [Roger Q] Cleaned up. > >> CC: Tejun Heo >> Signed-off-by: Balaji T K >> Signed-off-by: Roger Quadros > [...] > >> diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c >> index d5ced13..b476642 100644 >> --- a/drivers/ata/ahci_platform.c >> +++ b/drivers/ata/ahci_platform.c >> @@ -142,6 +142,39 @@ static int ahci_probe(struct platform_device *pdev) >> } >> } >> >> + hpriv->phy = devm_phy_get(dev, "sata-phy"); >> + if (IS_ERR(hpriv->phy)) { >> + rc = PTR_ERR(hpriv->phy); >> + switch (rc) { >> + case -ENODEV: >> + case -ENOSYS: >> + /* continue normally */ >> + hpriv->phy = NULL; >> + break; >> + >> + case -EPROBE_DEFER: >> + goto disable_unprepare_clk; >> + break; > > Well, well, *break* after *goto*? :-) > I know it is pointless functionally, but it is just my preference aesthetically. Is it much of an issue if left as is? cheers, -roger