Hi Masahiro, After merging the kbuild tree, today's linux-next build (arm multi_v7_defconfig) failed like this: In file included from include/linux/module.h:18, from arch/arm/plat-omap/dma.c:28: arch/arm/plat-omap/dma.c:1452:26: error: expected ',' or ';' before 'DRIVER_NAME' MODULE_ALIAS("platform:" DRIVER_NAME); ^~~~~~~~~~~ include/linux/moduleparam.h:26:47: note: in definition of macro '__MODULE_INFO' = __MODULE_INFO_PREFIX __stringify(tag) "=" info ^~~~ include/linux/module.h:164:30: note: in expansion of macro 'MODULE_INFO' #define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias) ^~~~~~~~~~~ arch/arm/plat-omap/dma.c:1452:1: note: in expansion of macro 'MODULE_ALIAS' MODULE_ALIAS("platform:" DRIVER_NAME); ^~~~~~~~~~~~ Presumably caused by commit 6a26793a7891 ("moduleparam: Save information about built-in modules in separate file") (since that is the only change from Friday, I thnk) DRIVER_NAME is not defined and this kbuild tree change has exposed it. It has been this way since commit f31cc9622d75 ("OMAP: DMA: Convert DMA library into platform driver") From v2.6.38-rc1 in 2012. I have applied the following patch for today. From: Stephen Rothwell Date: Mon, 6 May 2019 08:35:02 +1000 Subject: [PATCH] arm: omap: remove unused MODULE_ALIAS from dma.c DRIVER_NAME has nevern been defined, so this cannot have ever been used. Signed-off-by: Stephen Rothwell --- arch/arm/plat-omap/dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index d4012d6c0dcb..4c6d9f4b43b7 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -1449,7 +1449,7 @@ static void __exit omap_system_dma_exit(void) MODULE_DESCRIPTION("OMAP SYSTEM DMA DRIVER"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" DRIVER_NAME); +// MODULE_ALIAS("platform:" DRIVER_NAME); MODULE_AUTHOR("Texas Instruments Inc"); /* -- 2.20.1 -- Cheers, Stephen Rothwell