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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
| commit | bf61c8840efe60fd8f91446860b63338fb424158 (patch) | |
| tree | 7a71832407a4f0d6346db773343f4c3ae2257b19 /arch/arm/include/asm/cti.h | |
| parent | 5846115b30f3a881e542c8bfde59a699c1c13740 (diff) | |
| parent | 0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff) | |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'arch/arm/include/asm/cti.h')
| -rw-r--r-- | arch/arm/include/asm/cti.h | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/arch/arm/include/asm/cti.h b/arch/arm/include/asm/cti.h index a0ada3ea4358..2381199acb7d 100644 --- a/arch/arm/include/asm/cti.h +++ b/arch/arm/include/asm/cti.h @@ -2,6 +2,7 @@ #define __ASMARM_CTI_H #include <asm/io.h> +#include <asm/hardware/coresight.h> /* The registers' definition is from section 3.2 of * Embedded Cross Trigger Revision: r0p0 @@ -35,11 +36,6 @@ #define LOCKACCESS 0xFB0 #define LOCKSTATUS 0xFB4 -/* write this value to LOCKACCESS will unlock the module, and - * other value will lock the module - */ -#define LOCKCODE 0xC5ACCE55 - /** * struct cti - cross trigger interface struct * @base: mapped virtual address for the cti base @@ -146,15 +142,7 @@ static inline void cti_irq_ack(struct cti *cti) */ static inline void cti_unlock(struct cti *cti) { - void __iomem *base = cti->base; - unsigned long val; - - val = __raw_readl(base + LOCKSTATUS); - - if (val & 1) { - val = LOCKCODE; - __raw_writel(val, base + LOCKACCESS); - } + __raw_writel(CS_LAR_KEY, cti->base + LOCKACCESS); } /** @@ -166,14 +154,6 @@ static inline void cti_unlock(struct cti *cti) */ static inline void cti_lock(struct cti *cti) { - void __iomem *base = cti->base; - unsigned long val; - - val = __raw_readl(base + LOCKSTATUS); - - if (!(val & 1)) { - val = ~LOCKCODE; - __raw_writel(val, base + LOCKACCESS); - } + __raw_writel(~CS_LAR_KEY, cti->base + LOCKACCESS); } #endif |