linux-kernel - [PATCH 1/4] arc: fix some build issues in delay.h

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Date:   Tue, 24 Jul 2018 13:46:19 -0700
From:   Randy Dunlap <rd.dunlab@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Vineet Gupta <vgupta@...opsys.com>,
        Ofer Levi <oferle@...lanox.com>,
        linux-snps-arc@...ts.infradead.org
Subject: [PATCH 1/4] arc: fix some build issues in delay.h

From: Randy Dunlap <rdunlap@...radead.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@...radead.org>
Cc: Vineet Gupta <vgupta@...opsys.com>
Cc: Ofer Levi <oferle@...lanox.com>
Cc: linux-snps-arc@...ts.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>
+#include <asm-generic/types.h>
 #include <asm/param.h>		/* HZ */
 
 static inline void __delay(unsigned long loops)