If it is 'int', it can't stands for the highest bit for 32-bit
number, since the largest 'int' is 0x7fffffff.
Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200623031001.8469-4-peter.chen@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
        struct cdns3_device *priv_dev = data;
        irqreturn_t ret = IRQ_NONE;
        unsigned long flags;
-       int bit;
+       unsigned int bit;
        unsigned long reg;
 
        spin_lock_irqsave(&priv_dev->lock, flags);