From: Richard Zhu <hongxing.zhu@nxp.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: "Krzysztof Wilczyński" <kw@linux.com>,
"l.stach@pengutronix.de" <l.stach@pengutronix.de>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
dl-linux-imx <linux-imx@nxp.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kernel@pengutronix.de" <kernel@pengutronix.de>
Subject: RE: [RESEND v2 4/5] PCI: imx6: Fix the clock reference handling unbalance when link never came up
Date: Wed, 27 Oct 2021 01:30:02 +0000 [thread overview]
Message-ID: <AS8PR04MB86769F5EBF9AF10DDC3F7AAD8C859@AS8PR04MB8676.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20211026222147.GA173173@bhelgaas>
> -----Original Message-----
> From: Bjorn Helgaas <helgaas@kernel.org>
> Sent: Wednesday, October 27, 2021 6:22 AM
> To: Richard Zhu <hongxing.zhu@nxp.com>
> Cc: Krzysztof Wilczyński <kw@linux.com>; l.stach@pengutronix.de;
> bhelgaas@google.com; lorenzo.pieralisi@arm.com; linux-pci@vger.kernel.org;
> dl-linux-imx <linux-imx@nxp.com>; linux-arm-kernel@lists.infradead.org;
> linux-kernel@vger.kernel.org; kernel@pengutronix.de
> Subject: Re: [RESEND v2 4/5] PCI: imx6: Fix the clock reference handling
> unbalance when link never came up
>
> On Mon, Oct 25, 2021 at 02:35:36AM +0000, Richard Zhu wrote:
> > > -----Original Message-----
> > > From: Krzysztof Wilczyński <kw@linux.com>
> > > Sent: Saturday, October 23, 2021 5:54 PM
> > > To: Richard Zhu <hongxing.zhu@nxp.com>
> > > Cc: Bjorn Helgaas <helgaas@kernel.org>; l.stach@pengutronix.de;
> > > bhelgaas@google.com; lorenzo.pieralisi@arm.com;
> > > linux-pci@vger.kernel.org; dl-linux-imx <linux-imx@nxp.com>;
> > > linux-arm-kernel@lists.infradead.org;
> > > linux-kernel@vger.kernel.org; kernel@pengutronix.de
> > > Subject: Re: [RESEND v2 4/5] PCI: imx6: Fix the clock reference
> > > handling unbalance when link never came up
>
> > > I hope you don't mind me asking, but how is an empty default case in
> > > the switch statement helping IMX6Q and IMX6QP? What does it achieve
> > > for these two controllers specifically?
> > >
> > [Richard Zhu] Never mind. 😊.
> > There might be following building warning if the "default:break" is removed.
> > " CC drivers/pci/controller/dwc/pci-imx6.o
> > drivers/pci/controller/dwc/pci-imx6.c: In function
> ‘imx6_pcie_clk_disable’:
> > drivers/pci/controller/dwc/pci-imx6.c:527:2: warning: enumeration value
> ‘IMX6Q’ not handled in switch [-Wswitch]
> > 527 | switch (imx6_pcie->drvdata->variant) {
> > | ^~~~~~
> > drivers/pci/controller/dwc/pci-imx6.c:527:2: warning: enumeration value
> ‘IMX6QP’ not handled in switch [-Wswitch]"
>
> Sorry, I didn't see this until after asking the same question as Krzysztof.
>
> Sigh. That's a really annoying gcc warning, but I guess I won't fight it ;)
[Richard Zhu] Never mind, 😊.
BR
Richard
>
> Bjorn
next prev parent reply other threads:[~2021-10-27 1:30 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 6:05 [RESEND v2 0/5] PCI: imx6: refine codes and add compliance tests mode support Richard Zhu
2021-10-15 6:05 ` [RESEND v2 1/5] PCI: imx6: Encapsulate the clock enable into one standalone function Richard Zhu
2021-10-15 18:13 ` Lucas Stach
2021-10-19 7:32 ` Richard Zhu
2021-10-15 6:05 ` [RESEND v2 2/5] PCI: imx6: Add the error propagation from host_init Richard Zhu
2021-10-15 18:16 ` Lucas Stach
2021-10-19 7:33 ` Richard Zhu
2021-10-15 6:05 ` [RESEND v2 3/5] PCI: imx6: Fix the regulator dump when link never came up Richard Zhu
2021-10-15 18:22 ` Lucas Stach
2021-10-19 7:39 ` Richard Zhu
2021-10-20 3:22 ` Richard Zhu
2021-10-15 18:34 ` Fabio Estevam
2021-10-19 7:44 ` Richard Zhu
2021-10-15 6:05 ` [RESEND v2 4/5] PCI: imx6: Fix the clock reference handling unbalance " Richard Zhu
2021-10-15 18:24 ` Lucas Stach
2021-10-19 7:43 ` Richard Zhu
2021-10-15 18:49 ` Bjorn Helgaas
2021-10-15 18:51 ` Bjorn Helgaas
2021-10-19 7:56 ` Richard Zhu
2021-10-22 8:02 ` Richard Zhu
2021-10-23 9:53 ` Krzysztof Wilczyński
2021-10-25 2:35 ` Richard Zhu
2021-10-26 22:21 ` Bjorn Helgaas
2021-10-27 1:30 ` Richard Zhu [this message]
2021-10-26 16:38 ` Bjorn Helgaas
2021-10-27 1:29 ` Richard Zhu
2021-10-19 7:45 ` Richard Zhu
2021-10-15 6:05 ` [RESEND v2 5/5] PCI: imx6: Add the compliance tests mode support Richard Zhu
2021-10-15 18:28 ` Lucas Stach
2021-10-19 8:12 ` Richard Zhu
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