mtd: mxc_nand: add correct dev_id parameter to free_irq() calls

Make sure to pass the same dev_id data to free_irq() that was
used when calling request_irq(), otherwise we get a warning about
freeing an already free IRQ.
Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/nand/mxc_nand.c

@@ -981,7 +981,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 	return 0;
 
 escan:
-	free_irq(host->irq, NULL);
+	free_irq(host->irq, host);
 eirq:
 	iounmap(host->regs);
 eres:
@@ -1001,7 +1001,7 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
 	platform_set_drvdata(pdev, NULL);
 
 	nand_release(&host->mtd);
-	free_irq(host->irq, NULL);
+	free_irq(host->irq, host);
 	iounmap(host->regs);
 	kfree(host);