Hi Matthew, After merging the drivers-x86 tree, today's linux-next build (x86_64 allmodconfig) produced these warning: drivers/platform/x86/dell-wmi-aio.c:29:1: warning: "pr_fmt" redefined In file included from include/linux/kernel.h:20, from drivers/platform/x86/dell-wmi-aio.c:19: include/linux/printk.h:145:1: warning: this is the location of the previous definition drivers/platform/x86/dell-wmi-aio.c: In function 'dell_wmi_aio_find': drivers/platform/x86/dell-wmi-aio.c:130: warning: return discards qualifiers from pointer target type Caused by commit 2ef3d3fdc94c0ef481c60b7958785f05a0faf2ec ("Enable Dell All-In-One volume up/down keys"). -- Cheers, Stephen Rothwell sfr@canb.auug.org.au http://www.canb.auug.org.au/~sfr/