diff options
Diffstat (limited to 'arch/hexagon')
-rw-r--r-- | arch/hexagon/include/asm/bitops.h | 37 | ||||
-rw-r--r-- | arch/hexagon/include/asm/io.h | 25 | ||||
-rw-r--r-- | arch/hexagon/kernel/smp.c | 5 |
3 files changed, 54 insertions, 13 deletions
diff --git a/arch/hexagon/include/asm/bitops.h b/arch/hexagon/include/asm/bitops.h index 75d6ba3643b8..160d8f37fa1a 100644 --- a/arch/hexagon/include/asm/bitops.h +++ b/arch/hexagon/include/asm/bitops.h @@ -127,38 +127,45 @@ static inline void change_bit(int nr, volatile void *addr) * be atomic, particularly for things like slab_lock and slab_unlock. * */ -static inline void __clear_bit(int nr, volatile unsigned long *addr) +static __always_inline void +arch___clear_bit(unsigned long nr, volatile unsigned long *addr) { test_and_clear_bit(nr, addr); } -static inline void __set_bit(int nr, volatile unsigned long *addr) +static __always_inline void +arch___set_bit(unsigned long nr, volatile unsigned long *addr) { test_and_set_bit(nr, addr); } -static inline void __change_bit(int nr, volatile unsigned long *addr) +static __always_inline void +arch___change_bit(unsigned long nr, volatile unsigned long *addr) { test_and_change_bit(nr, addr); } /* Apparently, at least some of these are allowed to be non-atomic */ -static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) +static __always_inline bool +arch___test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { return test_and_clear_bit(nr, addr); } -static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) +static __always_inline bool +arch___test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { return test_and_set_bit(nr, addr); } -static inline int __test_and_change_bit(int nr, volatile unsigned long *addr) +static __always_inline bool +arch___test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { return test_and_change_bit(nr, addr); } -static inline int __test_bit(int nr, const volatile unsigned long *addr) +static __always_inline bool +arch_test_bit(unsigned long nr, const volatile unsigned long *addr) { int retval; @@ -172,7 +179,20 @@ static inline int __test_bit(int nr, const volatile unsigned long *addr) return retval; } -#define test_bit(nr, addr) __test_bit(nr, addr) +static __always_inline bool +arch_test_bit_acquire(unsigned long nr, const volatile unsigned long *addr) +{ + int retval; + + asm volatile( + "{P0 = tstbit(%1,%2); if (P0.new) %0 = #1; if (!P0.new) %0 = #0;}\n" + : "=&r" (retval) + : "r" (addr[BIT_WORD(nr)]), "r" (nr % BITS_PER_LONG) + : "p0", "memory" + ); + + return retval; +} /* * ffz - find first zero in word. @@ -271,6 +291,7 @@ static inline unsigned long __fls(unsigned long word) } #include <asm-generic/bitops/lock.h> +#include <asm-generic/bitops/non-instrumented-non-atomic.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/sched.h> diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h index c33241425a5c..46a099de85b7 100644 --- a/arch/hexagon/include/asm/io.h +++ b/arch/hexagon/include/asm/io.h @@ -308,6 +308,31 @@ static inline void outsl(unsigned long port, const void *buffer, int count) } } +/* + * These defines are necessary to use the generic io.h for filling in + * the missing parts of the API contract. This is because the platform + * uses (inline) functions rather than defines and the generic helper + * fills in the undefined. + */ +#define virt_to_phys virt_to_phys +#define phys_to_virt phys_to_virt +#define memset_io memset_io +#define memcpy_fromio memcpy_fromio +#define memcpy_toio memcpy_toio +#define readb readb +#define readw readw +#define readl readl +#define writeb writeb +#define writew writew +#define writel writel +#define insb insb +#define insw insw +#define insl insl +#define outsb outsb +#define outsw outsw +#define outsl outsl +#include <asm-generic/io.h> + #endif /* __KERNEL__ */ #endif diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c index 619c56420aa0..4ba93e59370c 100644 --- a/arch/hexagon/kernel/smp.c +++ b/arch/hexagon/kernel/smp.c @@ -240,11 +240,6 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) send_ipi(mask, IPI_CALL_FUNC); } -int setup_profiling_timer(unsigned int multiplier) -{ - return -EINVAL; -} - void smp_start_cpus(void) { int i; |