linux-4.8-rc1/drivers/dma/txx9dmac.c: 2 * pointless expression ?

Hello there, 1, linux-4.8-rc1/drivers/dma/txx9dmac.c:751]: (style) Expression '(X & 0x7f) <= 0x7f' is always true. Source code is if (xfer_count > 0x80 && (xfer_count & 0x7f) >= 0x7e && (xfer_count & 0x7f) <= 0x7f) 2.

linux-4.8-rc1/drivers/dma/txx9dmac.c: 2 * pointless expression ?

Hello there, 1, linux-4.8-rc1/drivers/dma/txx9dmac.c:751]: (style) Expression '(X & 0x7f) <= 0x7f' is always true. Source code is if (xfer_count > 0x80 && (xfer_count & 0x7f) >= 0x7e && (xfer_count & 0x7f) <= 0x7f) 2.