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Date: Sat, 9 May 2020 09:38:28 +0200 From: Geert Uytterhoeven <geert@...ux-m68k.org> To: Florian Fainelli <f.fainelli@...il.com> Cc: netdev <netdev@...r.kernel.org>, Nicolas Saenz Julienne <nsaenzjulienne@...e.de>, Stefan Wahren <wahrenst@....net>, Marek Szyprowski <m.szyprowski@...sung.com>, "David S. Miller" <davem@...emloft.net>, Thomas Gleixner <tglx@...utronix.de>, Tal Gilboa <talgi@...lanox.com>, Michael Chan <michael.chan@...adcom.com>, Andy Gospodarek <gospo@...adcom.com>, Randy Dunlap <rdunlap@...radead.org>, open list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net] net: broadcom: Imply BROADCOM_PHY for BCMGENET Hi Florian, Thanks for your patch! On Sat, May 9, 2020 at 12:32 AM Florian Fainelli <f.fainelli@...il.com> wrote: > The GENET controller on the Raspberry Pi 4 (2711) is typically > interfaced with an external Broadcom PHY via a RGMII electrical > interface. To make sure that delays are properly configured at the PHY > side, ensure that we get a chance to have the dedicated Broadcom PHY > driver (CONFIG_BROADCOM_PHY) enabled for this to happen. I guess it can be interfaced to a different external PHY, too? > Fixes: 402482a6a78e ("net: bcmgenet: Clear ID_MODE_DIS in EXT_RGMII_OOB_CTRL when not needed") > Reported-by: Marek Szyprowski <m.szyprowski@...sung.com> > Signed-off-by: Florian Fainelli <f.fainelli@...il.com> > --- a/drivers/net/ethernet/broadcom/Kconfig > +++ b/drivers/net/ethernet/broadcom/Kconfig > @@ -69,6 +69,7 @@ config BCMGENET > select BCM7XXX_PHY > select MDIO_BCM_UNIMAC > select DIMLIB > + imply BROADCOM_PHY if ARCH_BCM2835 Which means support for the BROADCOM_PHY is always included on ARCH_BCM2835, even if a different PHY is used? > help > This driver supports the built-in Ethernet MACs found in the > Broadcom BCM7xxx Set Top Box family chipset. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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