au1550_spi: fix prototype of irq handler

Remove struct pt_regs *regs from prototype of au1550_spi_irq handler to avoid
warning in request_irq().  Also fix comment type leadin.

Signed-off-by: Jan Nikitenko <jan.nikitenko@gmail.com>
Signed-off-by: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/spi/au1550_spi.c

@@ -99,7 +99,7 @@ static dbdev_tab_t au1550_spi_mem_dbdev =
 static void au1550_spi_bits_handlers_set(struct au1550_spi *hw, int bpw);
 
 
-/**
+/*
  *  compute BRG and DIV bits to setup spi clock based on main input clock rate
  *  that was specified in platform data structure
  *  according to au1550 datasheet:
@@ -650,7 +650,7 @@ static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
 	return hw->txrx_bufs(spi, t);
 }
 
-static irqreturn_t au1550_spi_irq(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t au1550_spi_irq(int irq, void *dev)
 {
 	struct au1550_spi *hw = dev;
 	return hw->irq_callback(hw);