On Monday 19 April 2021 14:05:18 Greg KH wrote:
> On Sun, Apr 18, 2021 at 03:13:44PM +0200, Pali Rohár wrote:
> > commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
> >
> > Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
> > sensor reading"), Linux reports the temperature of Topaz hwmon as
> > constant -75°C.
> >
> > This is because switches from the Topaz family (88E6141 / 88E6341) have
> > the address of the temperature sensor register different from Peridot.
> >
> > This address is instead compatible with 88E1510 PHYs, as was used for
> > Topaz before the above mentioned commit.
> >
> > Create a new mapping table between switch family and PHY ID for families
> > which don't have a model number. And define PHY IDs for Topaz and Peridot
> > families.
> >
> > Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
> > The only difference from Peridot's PHY driver is the HWMON probing
> > method.
> >
> > Prior this change Topaz's internal PHY is detected by kernel as:
> >
> > PHY [...] driver [Marvell 88E6390] (irq=63)
> >
> > And afterwards as:
> >
> > PHY [...] driver [Marvell 88E6341 Family] (irq=63)
> >
> > Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
> > BugLink: https://github.com/globalscaletechnologies/linux/issues/1
> > Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
> > Reviewed-by: Marek Behún <kabel@xxxxxxxxxx>
> > Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
> > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> > [pali: Backported to 5.4 version]
> > ---
> > This patch is backported to 5.4 version. Tested on Turris Mox with Topaz switch.
>
> What about a 5.10 version?
Is manual backport required also for 5.10? I got email that automatic
backporting failed only for 4.19 and 5.4 versions.
> thanks,
>
> greg k-h
