static void ssb_host_soc_block_write()

in host_soc.c [114:159]

• 41 lines of code
• 7 McCabe index (conditional complexity)

static void ssb_host_soc_block_write(struct ssb_device *dev, const void *buffer,
				     size_t count, u16 offset, u8 reg_width)
{
	struct ssb_bus *bus = dev->bus;
	void __iomem *addr;

	offset += dev->core_index * SSB_CORE_SIZE;
	addr = bus->mmio + offset;

	switch (reg_width) {
	case sizeof(u8): {
		const u8 *buf = buffer;

		while (count) {
			__raw_writeb(*buf, addr);
			buf++;
			count--;
		}
		break;
	}
	case sizeof(u16): {
		const __le16 *buf = buffer;

		WARN_ON(count & 1);
		while (count) {
			__raw_writew((__force u16)(*buf), addr);
			buf++;
			count -= 2;
		}
		break;
	}
	case sizeof(u32): {
		const __le32 *buf = buffer;

		WARN_ON(count & 3);
		while (count) {
			__raw_writel((__force u32)(*buf), addr);
			buf++;
			count -= 4;
		}
		break;
	}
	default:
		WARN_ON(1);
	}
}