From 5210edcd527773c227465ad18e416a894966324f Mon Sep 17 00:00:00 2001 From: David Daney Date: Fri, 28 Sep 2012 11:34:10 -0700 Subject: [PATCH] MIPS: Make __{,n,u}delay declarations match definitions and generic delay.h At some recent point arch/mips/include/asm/delay.h has started being included into csrc-octeon.c where the __?delay() functions are defined. This causes a compile failure due to conflicting declarations and definitions of the functions. It turns out that the generic definitions in arch/mips/lib/delay.c also conflict. Proposed fix: Declare the functions to take unsigned long parameters just like asm-generic (and x86) does. Update __delay to agree (__ndelay and __udelay need no change). Bonus: Get rid of 'inline' from __delay() definition, as it is globally visible, and the compiler should be making this decision itself (it does in fact inline the function without being told to). Signed-off-by: David Daney Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4354/ Signed-off-by: Ralf Baechle --- arch/mips/include/asm/delay.h | 6 +++--- arch/mips/lib/delay.c | 6 +++++- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/mips/include/asm/delay.h b/arch/mips/include/asm/delay.h index e7cd78277c23..dc0a5f77a35c 100644 --- a/arch/mips/include/asm/delay.h +++ b/arch/mips/include/asm/delay.h @@ -13,9 +13,9 @@ #include -extern void __delay(unsigned int loops); -extern void __ndelay(unsigned int ns); -extern void __udelay(unsigned int us); +extern void __delay(unsigned long loops); +extern void __ndelay(unsigned long ns); +extern void __udelay(unsigned long us); #define ndelay(ns) __ndelay(ns) #define udelay(us) __udelay(us) diff --git a/arch/mips/lib/delay.c b/arch/mips/lib/delay.c index 5995969e8c42..dc81ca8dc0dd 100644 --- a/arch/mips/lib/delay.c +++ b/arch/mips/lib/delay.c @@ -15,13 +15,17 @@ #include #include -inline void __delay(unsigned int loops) +void __delay(unsigned long loops) { __asm__ __volatile__ ( " .set noreorder \n" " .align 3 \n" "1: bnez %0, 1b \n" +#if __SIZEOF_LONG__ == 4 " subu %0, 1 \n" +#else + " dsubu %0, 1 \n" +#endif " .set reorder \n" : "=r" (loops) : "0" (loops)); -- 2.20.1