Hi all, After merging the devicetree tree, today's linux-next build (i386 defconfig) failed like this: In file included from kernel/irq/irqdomain.c:15: include/linux/of_address.h:111:12: error: 'of_property_read_reg' defined but not used [-Werror=unused-function] 111 | static int of_property_read_reg(struct device_node *np, int idx, u64 *addr, u64 *size) | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/base/property.c:14: include/linux/of_address.h:111:12: error: 'of_property_read_reg' defined but not used [-Werror=unused-function] 111 | static int of_property_read_reg(struct device_node *np, int idx, u64 *addr, u64 *size) | ^~~~~~~~~~~~~~~~~~~~ In file included from lib/devres.c:7: include/linux/of_address.h:111:12: error: 'of_property_read_reg' defined but not used [-Werror=unused-function] 111 | static int of_property_read_reg(struct device_node *np, int idx, u64 *addr, u64 *size) | ^~~~~~~~~~~~~~~~~~~~ Introduced by commit 87b764b15f9a ("of/address: Add of_property_read_reg() helper") I applied the following fix patch: From: Stephen Rothwell Date: Tue, 11 Apr 2023 16:09:19 +1000 Subject: [PATCH] of/address: fixup for "Add of_property_read_reg() helper" Signed-off-by: Stephen Rothwell --- include/linux/of_address.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 95cb6c5c2d67..26a19daf0d09 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -108,7 +108,7 @@ static inline const __be32 *__of_get_address(struct device_node *dev, int index, return NULL; } -static int of_property_read_reg(struct device_node *np, int idx, u64 *addr, u64 *size) +static inline int of_property_read_reg(struct device_node *np, int idx, u64 *addr, u64 *size) { return -ENOSYS; } -- 2.39.2 -- Cheers, Stephen Rothwell