C++ (Cpp) __fls8 Examples

Example #1

File: irq.c Project: ANFS/ANFS-kernel

static inline int rbtx4939_ioc_irqroute(void)
{
	unsigned char istat = readb(rbtx4939_ifac2_addr);

	if (unlikely(istat == 0))
		return -1;
	return RBTX4939_IRQ_IOC + __fls8(istat);
}

Example #2

File: irq.c Project: 12019/linux-2.6.34-ts471x

static int toshiba_rbtx4927_irq_nested(int sw_irq)
{
	u8 level3;

	level3 = readb(rbtx4927_imstat_addr) & 0x1f;
	if (unlikely(!level3))
		return -1;
	return RBTX4927_IRQ_IOC + __fls8(level3);
}

Example #3

File: irq.c Project: Medvedroid/OT_903D-kernel-2.6.35.7

static int toshiba_rbtx4938_irq_nested(int sw_irq)
{
	u8 level3;

	level3 = readb(rbtx4938_imstat_addr);
	if (unlikely(!level3))
		return -1;
	/* must use fls so onboard ATA has priority */
	return RBTX4938_IRQ_IOC + __fls8(level3);
}