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Both phy-tegra-usb.c and ehci-tegra.c export symbols used by the other one, which does not work if one of them or both are loadable modules, resulting in an error like: drivers/built-in.o: In function `utmi_phy_clk_disable': drivers/usb/phy/phy-tegra-usb.c:302: undefined reference to `tegra_ehci_set_phcd' drivers/built-in.o: In function `utmi_phy_clk_enable': drivers/usb/phy/phy-tegra-usb.c:324: undefined reference to `tegra_ehci_set_phcd' drivers/built-in.o: In function `utmi_phy_power_on': drivers/usb/phy/phy-tegra-usb.c:447: undefined reference to `tegra_ehci_set_pts' This turns the interface into a one-way dependency by letting the tegra ehci driver pass two function pointers for callbacks that need to be called by the phy driver. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Venu Byravarasu <vbyravarasu@nvidia.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Felipe Balbi <balbi@ti.com> Cc: Stephen Warren <swarren@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| phy-ab8500-usb.c | ||
| phy-fsl-usb.c | ||
| phy-fsl-usb.h | ||
| phy-fsm-usb.c | ||
| phy-fsm-usb.h | ||
| phy-gpio-vbus-usb.c | ||
| phy-isp1301-omap.c | ||
| phy-isp1301.c | ||
| phy-msm-usb.c | ||
| phy-mv-u3d-usb.c | ||
| phy-mv-u3d-usb.h | ||
| phy-mv-usb.c | ||
| phy-mv-usb.h | ||
| phy-mxs-usb.c | ||
| phy-nop.c | ||
| phy-omap-control.c | ||
| phy-omap-usb2.c | ||
| phy-omap-usb3.c | ||
| phy-rcar-usb.c | ||
| phy-samsung-usb2.c | ||
| phy-samsung-usb3.c | ||
| phy-samsung-usb.c | ||
| phy-samsung-usb.h | ||
| phy-tegra-usb.c | ||
| phy-twl4030-usb.c | ||
| phy-twl6030-usb.c | ||
| phy-ulpi-viewport.c | ||
| phy-ulpi.c | ||
| phy.c | ||