x86: olpc-xo1-sci: Remove invocation of MFD's .enable()/.disable() call-backs

IO regions are now requested and released by this device's parent.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>

arch/x86/platform/olpc/olpc-xo1-sci.c

@@ -15,7 +15,6 @@
 #include <linux/platform_device.h>
 #include <linux/pm.h>
 #include <linux/pm_wakeup.h>
-#include <linux/mfd/core.h>
 #include <linux/power_supply.h>
 #include <linux/suspend.h>
 #include <linux/workqueue.h>
@@ -537,10 +536,6 @@ static int xo1_sci_probe(struct platform_device *pdev)
 	if (!machine_is_olpc())
 		return -ENODEV;
 
-	r = mfd_cell_enable(pdev);
-	if (r)
-		return r;
-
 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
 	if (!res) {
 		dev_err(&pdev->dev, "can't fetch device resource info\n");
@@ -605,7 +600,6 @@ static int xo1_sci_probe(struct platform_device *pdev)
 
 static int xo1_sci_remove(struct platform_device *pdev)
 {
-	mfd_cell_disable(pdev);
 	free_irq(sci_irq, pdev);
 	cancel_work_sync(&sci_work);
 	free_ec_sci();