From: Alan Stern <stern@rowland.harvard.edu>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Madalin Bucur" <madalin.bucur@nxp.com>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Horatiu Vultur" <horatiu.vultur@microchip.com>,
UNGLinuxDriver@microchip.com,
"Thierry Reding" <thierry.reding@gmail.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
"Vinod Koul" <vkoul@kernel.org>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski@linaro.org>,
"Alim Akhtar" <alim.akhtar@samsung.com>,
"Siddharth Vadapalli" <s-vadapalli@ti.com>,
"Russell King" <linux@armlinux.org.uk>,
netdev@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-pci@vger.kernel.org, linux-phy@lists.infradead.org,
linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH 7/7] usb: host: ohci-exynos: Convert to devm_of_phy_optional_get()
Date: Wed, 18 Jan 2023 12:01:13 -0500 [thread overview]
Message-ID: <Y8gl2bLxqWwXPMfS@rowland.harvard.edu> (raw)
In-Reply-To: <CAMuHMdUsULA0PM26Y8WL2bGiBHGAGADS6eYLUp0CDVgm4N5kow@mail.gmail.com>
On Wed, Jan 18, 2023 at 05:50:00PM +0100, Geert Uytterhoeven wrote:
> Hi Alan,
>
> On Wed, Jan 18, 2023 at 5:26 PM Alan Stern <stern@rowland.harvard.edu> wrote:
> > On Wed, Jan 18, 2023 at 11:15:20AM +0100, Geert Uytterhoeven wrote:
> > > Use the new devm_of_phy_optional_get() helper instead of open-coding the
> > > same operation.
> > >
> > > This lets us drop several checks for IS_ERR(), as phy_power_{on,off}()
> > > handle NULL parameters fine.
> >
> > The patch ignores a possible -ENOSYS error return. Is it known that
> > this will never happen?
>
> While some phy_*() dummies in include/linux/phy/phy.h do return -ENOSYS
> if CONFIG_GENERIC_PHY is not enabled, devm_of_phy_optional_get()
> returns NULL in that case, so I think this cannot happen.
You could mention that in the patch description. Apart from this one
issue:
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Alan Stern
next prev parent reply other threads:[~2023-01-18 17:01 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-18 10:15 [PATCH treewide 0/7] phy: Add devm_of_phy_optional_get() helper Geert Uytterhoeven
2023-01-18 10:15 ` [PATCH 1/7] " Geert Uytterhoeven
2023-01-19 3:28 ` Jakub Kicinski
2023-01-19 11:14 ` Vinod Koul
2023-01-19 17:07 ` Jakub Kicinski
2023-01-18 10:15 ` [PATCH 2/7] net: fman: memac: Convert to devm_of_phy_optional_get() Geert Uytterhoeven
2023-01-19 23:25 ` Sean Anderson
2023-01-18 10:15 ` [PATCH 3/7] net: lan966x: " Geert Uytterhoeven
2023-01-20 8:46 ` Steen Hegelund
2023-01-18 10:15 ` [PATCH 4/7] net: ethernet: ti: am65-cpsw: " Geert Uytterhoeven
2023-01-18 10:15 ` [PATCH 5/7] PCI: tegra: " Geert Uytterhoeven
2023-01-23 18:17 ` Bjorn Helgaas
2023-01-18 10:15 ` [PATCH 6/7] usb: host: ehci-exynos: " Geert Uytterhoeven
2023-01-19 12:17 ` Greg Kroah-Hartman
2023-01-18 10:15 ` [PATCH 7/7] usb: host: ohci-exynos: " Geert Uytterhoeven
2023-01-18 16:18 ` Alan Stern
2023-01-18 16:50 ` Geert Uytterhoeven
2023-01-18 17:01 ` Alan Stern [this message]
2023-01-18 17:29 ` Rob Herring
2023-01-18 18:28 ` Geert Uytterhoeven
2023-01-18 19:49 ` Rob Herring
2023-01-20 7:56 ` Geert Uytterhoeven
2023-01-20 8:04 ` Vinod Koul
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