If it is 'int', it can't stands for the highest bit for 32-bit
number, since the largest 'int' is 0x7fffffff.
Reviewed-by: NJun Li <jun.li@nxp.com>
Signed-off-by: NPeter Chen <peter.chen@nxp.com>
Acked-by: NRoger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200623031001.8469-4-peter.chen@nxp.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>