During unrelated work, attempting to remove an include of the linux/module.h in favour of "struct module;" in order to reduce header entanglement, we found doing so caused a build failure in this file.
mach-pxa/corgi.c: In function 'corgi_bl_kick_battery': mach-pxa/corgi.c:548:2: error: implicit declaration of function 'symbol_get' [-Werror=implicit-function-declaration] mach-pxa/corgi.c:548:12: warning: assignment makes pointer from integer without a cast [enabled by default] mach-pxa/corgi.c:551:3: error: implicit declaration of function 'symbol_put' [-Werror=implicit-function-declaration] It turns out this file uses symbol_get/symbol_put which live in the module.h header, but it wasn't including module.h -- which was being masked by the module.h in include/linux/gpio/driver.h - the one we want to remove/replace. With ARM and GPIO being different subsystems, we'll need to get this in ARM 1st, and then wait a release before changing the GPIO header, otherwise we'll risk triggering build failures. Cc: Daniel Mack <dan...@zonque.org> Cc: Haojian Zhuang <haojian.zhu...@gmail.com> Cc: Robert Jarzmik <robert.jarz...@free.fr> Cc: Russell King <li...@armlinux.org.uk> Cc: Linus Walleij <linus.wall...@linaro.org> Cc: Alexandre Courbot <gnu...@gmail.com> Cc: linux-o...@vger.kernel.org Cc: linux-g...@vger.kernel.org Cc: linux-arm-ker...@lists.infradead.org Signed-off-by: Paul Gortmaker <paul.gortma...@windriver.com> --- arch/arm/mach-pxa/corgi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index aa952979461f..183cd3446f25 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -13,6 +13,7 @@ */ #include <linux/kernel.h> +#include <linux/module.h> /* symbol_get ; symbol_put */ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/major.h> -- 2.8.4
