On 4/1/19 10:29 AM, 'Bin Liu' via linux-sunxi wrote: > On Fri, Mar 01, 2019 at 03:43:48PM +0100, Maxime Ripard wrote: >> On Thu, Feb 28, 2019 at 08:20:44PM -0600, 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. > > Should this go to stable tree as well? Is a 'Fixes' tag for it? Yes, I just sent v2 with these tags (although I forgot Maxime's Ack). >>> Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> >> >> I assume it would go through the USB tree. >> >> Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> Cheers, Samuel