Without this, cpumask_t and bool are not defined: In file included from drivers/media/pci/ddbridge/ddbridge-ci.c:19: In file included from drivers/media/pci/ddbridge/ddbridge.h:22: ./arch/arm/include/asm/irq.h:35:50: error: unknown type name 'cpumask_t' extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask, ^ ./arch/arm/include/asm/irq.h:36:9: error: unknown type name 'bool' bool exclude_self); ^ Doing a survey of the kernel tree, this appears to be expected because '#include <asm/irq.h>' is always after the linux includes. This also fixes warnings of this variety (with Clang): In file included from drivers/media/pci/ddbridge/ddbridge-ci.c:19: In file included from drivers/media/pci/ddbridge/ddbridge.h:56: In file included from ./include/media/dvb_net.h:22: In file included from ./include/linux/netdevice.h:50: In file included from ./include/uapi/linux/neighbour.h:6: In file included from ./include/linux/netlink.h:9: In file included from ./include/net/scm.h:11: In file included from ./include/linux/sched/signal.h:6: ./include/linux/signal.h:87:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ ./arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ Fixes: b6973637c4cc ("media: ddbridge: remove another duplicate of io.h and sort includes") Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx> --- drivers/media/pci/ddbridge/ddbridge.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/pci/ddbridge/ddbridge.h b/drivers/media/pci/ddbridge/ddbridge.h index 0be6ed216e65..b834449e78f8 100644 --- a/drivers/media/pci/ddbridge/ddbridge.h +++ b/drivers/media/pci/ddbridge/ddbridge.h @@ -18,9 +18,6 @@ #ifndef _DDBRIDGE_H_ #define _DDBRIDGE_H_ -#include <asm/dma.h> -#include <asm/irq.h> - #include <linux/clk.h> #include <linux/completion.h> #include <linux/delay.h> @@ -48,6 +45,9 @@ #include <linux/vmalloc.h> #include <linux/workqueue.h> +#include <asm/dma.h> +#include <asm/irq.h> + #include <media/dmxdev.h> #include <media/dvb_ca_en50221.h> #include <media/dvb_demux.h> -- 2.20.0