On 07/24/2018 01:46 PM, Randy Dunlap wrote: > From: Randy Dunlap <rdunlap at infradead.org> > > Fix build errors in arch/arc/'s delay.h: > - add <linux/delay.h> for loops_per_jiffy > - add <asm-generic/types.h> for "u64" > > In file included from ../drivers/infiniband/hw/cxgb3/cxio_hal.c:32: > ../arch/arc/include/asm/delay.h: In function '__udelay': > ../arch/arc/include/asm/delay.h:61:12: error: 'u64' undeclared (first use in this function) > loops = ((u64) usecs * 4295 * HZ * loops_per_jiffy) >> 32; > ^~~ > > In file included from ../drivers/infiniband/hw/cxgb3/cxio_hal.c:32: > ../arch/arc/include/asm/delay.h: In function '__udelay': > ../arch/arc/include/asm/delay.h:63:37: error: 'loops_per_jiffy' undeclared (first use in this function) > loops = ((u64) usecs * 4295 * HZ * loops_per_jiffy) >> 32; > ^~~~~~~~~~~~~~~ > > Signed-off-by: Randy Dunlap <rdunlap at infradead.org> > Cc: Vineet Gupta <vgupta at synopsys.com> > Cc: Ofer Levi <oferle at mellanox.com> > Cc: linux-snps-arc at lists.infradead.org > --- > arch/arc/include/asm/delay.h | 2 ++ > 1 file changed, 2 insertions(+) > > --- linux-next-20180723.orig/arch/arc/include/asm/delay.h > +++ linux-next-20180723/arch/arc/include/asm/delay.h > @@ -17,6 +17,8 @@ > #ifndef __ASM_ARC_UDELAY_H > #define __ASM_ARC_UDELAY_H > > +#include <linux/delay.h> this file in turn includes asm/delay.h - the header guards will catch nested inclusion still seems ugly. Should we just reference loops_per_jiffy here like other arches do in theur delay.h > +#include <asm-generic/types.h> > #include <asm/param.h> /* HZ */ > > static inline void __delay(unsigned long loops) >