From: Hongxing Zhu <hongxing.zhu@nxp.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: "l.stach@pengutronix.de" <l.stach@pengutronix.de>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"broonie@kernel.org" <broonie@kernel.org>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"jingoohan1@gmail.com" <jingoohan1@gmail.com>,
"festevam@gmail.com" <festevam@gmail.com>,
"francesco.dolcini@toradex.com" <francesco.dolcini@toradex.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"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>,
dl-linux-imx <linux-imx@nxp.com>
Subject: RE: [PATCH v9 7/8] PCI: imx6: Move the phy driver callbacks to the proper places
Date: Fri, 10 Jun 2022 06:51:41 +0000 [thread overview]
Message-ID: <AS8PR04MB8676D48C33E9C7A375CA34938CA69@AS8PR04MB8676.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20220609162552.GA514635@bhelgaas>
> -----Original Message-----
> From: Bjorn Helgaas <helgaas@kernel.org>
> Sent: 2022年6月10日 0:26
> To: Hongxing Zhu <hongxing.zhu@nxp.com>
> Cc: l.stach@pengutronix.de; bhelgaas@google.com; robh+dt@kernel.org;
> broonie@kernel.org; lorenzo.pieralisi@arm.com; jingoohan1@gmail.com;
> festevam@gmail.com; francesco.dolcini@toradex.com;
> linux-pci@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> linux-kernel@vger.kernel.org; kernel@pengutronix.de; dl-linux-imx
> <linux-imx@nxp.com>
> Subject: Re: [PATCH v9 7/8] PCI: imx6: Move the phy driver callbacks to the
> proper places
>
> On Thu, Jun 09, 2022 at 06:20:16AM +0000, Hongxing Zhu wrote:
> > > -----Original Message-----
> > > From: Bjorn Helgaas <helgaas@kernel.org>
> > > Sent: 2022年6月9日 2:58
> > > To: Hongxing Zhu <hongxing.zhu@nxp.com>
> > > Cc: l.stach@pengutronix.de; bhelgaas@google.com; robh+dt@kernel.org;
> > > broonie@kernel.org; lorenzo.pieralisi@arm.com; jingoohan1@gmail.com;
> > > festevam@gmail.com; francesco.dolcini@toradex.com;
> > > linux-pci@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> > > linux-kernel@vger.kernel.org; kernel@pengutronix.de; dl-linux-imx
> > > <linux-imx@nxp.com>
> > > Subject: Re: [PATCH v9 7/8] PCI: imx6: Move the phy driver callbacks
> > > to the proper places
> > >
> > > On Fri, May 06, 2022 at 09:47:08AM +0800, Richard Zhu wrote:
> > > > To make it more reasonable, move the phy_power_on/phy_init
> > > > callbacks to the proper places.
> > > > - move the phy_power_on() out of imx6_pcie_clk_enable().
> > > > - move the phy_init() out of imx6_pcie_deassert_core_reset().
> > >
> > > I'm not sure what "make it more reasonable" is telling me. In
> > > subject line and commit log, please say something more specific than
> > > "the proper places."
> > >
> > > It's probably more important to say where they are moving *to* than
> > > where they're moving *out of*.
>
> > Thanks for your comments.
> > In another review loop listed below, Lucas used said that it's not
> > good to hide PHY init in imx6_pcie_assert_core_reset() So, I make a
> > try to move the phy_init() out of imx6_pcie_assert_core_reset().
> > And move phy_power_on() out of imx6_pcie_clk_enable() accordingly.
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> >
> hwork.kernel.org%2Fproject%2Flinux-pci%2Fpatch%2F1646289275-17813-1-g
> i
> >
> t-send-email-hongxing.zhu%40nxp.com%2F&data=05%7C01%7Chongxing
> .zhu
> > %40nxp.com%7C0094cb503bd64d9d8c0008da4a34bbc8%7C686ea1d3bc2b
> 4c6fa92cd9
> >
> 9c5c301635%7C0%7C0%7C637903887598125451%7CUnknown%7CTWFpbG
> Zsb3d8eyJWIj
> >
> oiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C30
> 00%7C
> > %7C%7C&sdata=ntbjAv6s3M0mUI8uCAUX23HiPNBlgvWKlAaw7lAh%2F
> pE%3D&
> > reserved=0 Okay, I would specific that they are moving *to* later.
> >
> > > > In order to save power consumption, turn off the clocks and
> > > > regulators when the imx6_pcie_host_init() return error.
> > >
> > > Is the power savings the *reason* for this change? I can't tell
> > > from the commit log.
> >
> > The error handling of the imx6_pcie_host_init() is not mentioned in
> > the subject. Should I split these changes into two patches?
>
> If they can be split, they probably should be split.
Got that, thanks a lot.
Best Regards
Richard Zhu
next prev parent reply other threads:[~2022-06-10 6:51 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-06 1:47 [PATCH v9 0/8] PCI: imx6: refine codes and add compliance tests mode support Richard Zhu
2022-05-06 1:47 ` [PATCH v9 1/8] PCI: imx6: Encapsulate the clock enable into one standalone function Richard Zhu
2022-06-08 18:51 ` Bjorn Helgaas
2022-06-09 6:18 ` Hongxing Zhu
2022-05-06 1:47 ` [PATCH v9 2/8] PCI: imx6: Add the error propagation from host_init Richard Zhu
2022-06-08 18:53 ` Bjorn Helgaas
2022-06-09 6:19 ` Hongxing Zhu
2022-05-06 1:47 ` [PATCH v9 3/8] PCI: imx6: Move imx6_pcie_clk_disable() earlier Richard Zhu
2022-06-08 7:14 ` Lucas Stach
2022-05-06 1:47 ` [PATCH v9 4/8] PCI: imx6: Disable iMX6QDL PCIe REF clock when disable PCIe clocks Richard Zhu
2022-06-08 7:18 ` Lucas Stach
2022-05-06 1:47 ` [PATCH v9 5/8] PCI: imx6: Refine the regulator usage Richard Zhu
2022-06-08 7:26 ` Lucas Stach
2022-06-09 6:17 ` Hongxing Zhu
2022-06-09 7:47 ` Lucas Stach
2022-06-09 7:54 ` Hongxing Zhu
2022-06-08 18:54 ` Bjorn Helgaas
2022-06-09 6:19 ` Hongxing Zhu
2022-06-09 17:20 ` Bjorn Helgaas
2022-06-10 7:09 ` Hongxing Zhu
2022-05-06 1:47 ` [PATCH v9 6/8] PCI: imx6: Disable clocks and regulators after link is down Richard Zhu
2022-06-08 7:35 ` Lucas Stach
2022-06-09 6:17 ` Hongxing Zhu
2022-06-09 7:53 ` Francesco Dolcini
2022-06-09 8:36 ` Hongxing Zhu
2022-06-09 7:55 ` Lucas Stach
2022-06-09 8:30 ` Hongxing Zhu
2022-05-06 1:47 ` [PATCH v9 7/8] PCI: imx6: Move the phy driver callbacks to the proper places Richard Zhu
2022-06-08 7:44 ` Lucas Stach
2022-06-09 6:18 ` Hongxing Zhu
2022-06-08 18:57 ` Bjorn Helgaas
2022-06-09 6:20 ` Hongxing Zhu
2022-06-09 16:25 ` Bjorn Helgaas
2022-06-10 6:51 ` Hongxing Zhu [this message]
2022-05-06 1:47 ` [PATCH v9 8/8] PCI: imx6: Add compliance tests mode support Richard Zhu
2022-06-08 7:48 ` Lucas Stach
2022-06-09 6:18 ` Hongxing Zhu
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