C++ (Cpp) GSL_RB_UPDATE_WPTR_POLLING примеры использования

Пример #1

static void kgsl_ringbuffer_submit(struct kgsl_ringbuffer *rb)
{
	BUG_ON(rb->wptr == 0);

	GSL_RB_UPDATE_WPTR_POLLING(rb);
	
	dsb();
	wmb();

	
	mb();

	kgsl_yamato_regwrite(rb->device, REG_CP_RB_WPTR, rb->wptr);

	rb->flags |= KGSL_FLAGS_ACTIVE;
}

Пример #2

Файл: kgsl_ringbuffer.c Проект: franjoweb/liquid_chocolate_ics_kernel

static void kgsl_ringbuffer_submit(struct kgsl_ringbuffer *rb)
{
	BUG_ON(rb->wptr == 0);

	GSL_RB_UPDATE_WPTR_POLLING(rb);
	/* Drain write buffer and data memory barrier */
	dsb();
	wmb();

	/* Memory fence to ensure all data has posted.  On some systems,
	* like 7x27, the register block is not allocated as strongly ordered
	* memory.  Adding a memory fence ensures ordering during ringbuffer
	* submits.*/
	mb();

	kgsl_yamato_regwrite(rb->device, REG_CP_RB_WPTR, rb->wptr);

	rb->flags |= KGSL_FLAGS_ACTIVE;
}