spi: cadence-qspi: always use direct mode on reads if enabled

Signed-off-by: Heinrich Toews <ht@twx-software.de>

drivers/spi/spi-cadence-quadspi.c

@@ -1315,7 +1315,7 @@ static int cqspi_direct_read_execute(struct cqspi_flash_pdata *f_pdata,
 	dma_addr_t dma_dst;
 	struct device *ddev;
 
-	if (!cqspi->rx_chan || !virt_addr_valid(buf)) {
+       if (cqspi->use_direct_mode) {
 		memcpy_fromio(buf, cqspi->ahb_base + from, len);
 		return 0;
 	}