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ARM: domains: provide domain_mask() 

Provide a macro to generate the mask for a domain, rather than using
domain_val(, DOMAIN_MANAGER) which won't work when CPU_USE_DOMAINS
is turned off.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2015-08-19 22:36:24 +01:00
parent 1eef5d2f1b
commit 8e798706f7
1 changed files with 3 additions and 2 deletions
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5
arch/arm/include/asm/domain.h
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@ -55,7 +55,8 @@
#define DOMAIN_MANAGER 1
#endif
#define domain_val(dom,type) ((type) << (2*(dom)))
#define domain_mask(dom) ((3) << (2 * (dom)))
#define domain_val(dom,type) ((type) << (2 * (dom)))
#ifndef __ASSEMBLY__
@ -82,7 +83,7 @@ static inline void set_domain(unsigned val)
#define modify_domain(dom,type) \
do { \
unsigned int domain = get_domain(); \
domain &= ~domain_val(dom, DOMAIN_MANAGER); \
domain &= ~domain_mask(dom); \
domain = domain | domain_val(dom, type); \
set_domain(domain); \
} while (0)