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SubjectRe: [PATCH v2] soc: sunxi: Fix missing dependency on REGMAP_MMIO
On Tue, Apr 02, 2019 at 08:09:01AM +0200, Maxime Ripard wrote:
> On Mon, Apr 01, 2019 at 05:03:31PM -0500, Samuel Holland wrote:
> > When enabling ARCH_SUNXI from allnoconfig, SUNXI_SRAM is enabled, but
> > not REGMAP_MMIO, so the kernel fails to link with an undefined reference
> > to __devm_regmap_init_mmio_clk. Select REGMAP_MMIO, as suggested in
> > drivers/base/regmap/Kconfig.
> >
> > This creates the following dependency loop:
> >
> > drivers/of/Kconfig:68: symbol OF_IRQ depends on IRQ_DOMAIN
> > kernel/irq/Kconfig:63: symbol IRQ_DOMAIN is selected by REGMAP
> > drivers/base/regmap/Kconfig:7: symbol REGMAP default is visible depending on REGMAP_MMIO
> > drivers/base/regmap/Kconfig:39: symbol REGMAP_MMIO is selected by SUNXI_SRAM
> > drivers/soc/sunxi/Kconfig:4: symbol SUNXI_SRAM is selected by USB_MUSB_SUNXI
> > drivers/usb/musb/Kconfig:63: symbol USB_MUSB_SUNXI depends on GENERIC_PHY
> > drivers/phy/Kconfig:7: symbol GENERIC_PHY is selected by PHY_BCM_NS_USB3
> > drivers/phy/broadcom/Kconfig:29: symbol PHY_BCM_NS_USB3 depends on MDIO_BUS
> > drivers/net/phy/Kconfig:12: symbol MDIO_BUS default is visible depending on PHYLIB
> > drivers/net/phy/Kconfig:181: symbol PHYLIB is selected by ARC_EMAC_CORE
> > drivers/net/ethernet/arc/Kconfig:18: symbol ARC_EMAC_CORE is selected by ARC_EMAC
> > drivers/net/ethernet/arc/Kconfig:24: symbol ARC_EMAC depends on OF_IRQ
> >
> > To fix the circular dependency, make USB_MUSB_SUNXI select GENERIC_PHY
> > instead of depending on it. This matches the use of GENERIC_PHY by all
> > but two other drivers.
> >
> > Cc: <stable@vger.kernel.org> # 4.19
> > Fixes: 5828729bebbb ("soc: sunxi: export a regmap for EMAC clock reg on A64")
> > Signed-off-by: Samuel Holland <samuel@sholland.org>
>
> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>

The patch is applied.

Thanks,
-Bin.

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