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641663a19f
Fix build errors that happen when CONFIG_EXTCON=m and CONFIG_USB_SNP_UDC_PLAT=y by preventing that combination in Kconfig. CONFIG_EXTCON can still be disabled or enabled for this driver since <linux/extcon.h> has stubs for the disabled case, but if CONFIG_EXTCON=m, USB_SNP_UDC_PLAT is restricted to m or n (cannot be builtin). drivers/built-in.o: In function `udc_plat_remove': snps_udc_plat.c:(.text+0x2c4060): undefined reference to `extcon_unregister_notifier' drivers/built-in.o: In function `udc_plat_probe': snps_udc_plat.c:(.text+0x2c438c): undefined reference to `extcon_get_edev_by_phandle' snps_udc_plat.c:(.text+0x2c43f2): undefined reference to `extcon_register_notifier' snps_udc_plat.c:(.text+0x2c4416): undefined reference to `extcon_get_state' snps_udc_plat.c:(.text+0x2c44f7): undefined reference to `extcon_unregister_notifier' Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.