static int u8500_hsem_trylock()

in u8500_hsem.c [50:61]


static int u8500_hsem_trylock(struct hwspinlock *lock)
{
	void __iomem *lock_addr = lock->priv;

	writel(HSEM_MASTER_ID, lock_addr);

	/* get only first 4 bit and compare to masterID.
	 * if equal, we have the semaphore, otherwise
	 * someone else has it.
	 */
	return (HSEM_MASTER_ID == (0x0F & readl(lock_addr)));
}