ata: remove FIT() macro

Use the kernel-provided clamp_val() macro.

FIT was always applied to a member of struct ata_timing (unsigned short)
and two constants.  clamp_val will not cast to short anymore.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/ata/pata_winbond.c

@@ -75,8 +75,8 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev)
 	else
 		ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000);
 
-	active = (FIT(t.active, 3, 17) - 1) & 0x0F;
-	recovery = (FIT(t.recover, 1, 15) + 1) & 0x0F;
+	active = (clamp_val(t.active, 3, 17) - 1) & 0x0F;
+	recovery = (clamp_val(t.recover, 1, 15) + 1) & 0x0F;
 	timing = (active << 4) | recovery;
 	winbond_writecfg(winbond->config, timing, reg);
 
@@ -87,7 +87,7 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev)
 		reg |= 0x08;	/* FIFO off */
 	if (!ata_pio_need_iordy(adev))
 		reg |= 0x02;	/* IORDY off */
-	reg |= (FIT(t.setup, 0, 3) << 6);
+	reg |= (clamp_val(t.setup, 0, 3) << 6);
 	winbond_writecfg(winbond->config, timing + 1, reg);
 }