spi: pci1xxxx: Use new spi_xfer_is_dma_mapped() helper

Replace a few lines of code by calling a spi_xfer_is_dma_mapped() helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Link: https://lore.kernel.org/r/20240531194723.1761567-7-andriy.shevchenko@linux.intel.comReviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-pci1xxxx.c

@@ -6,6 +6,7 @@
 
 
 #include <linux/bitfield.h>
+#include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/iopoll.h>
 #include <linux/irq.h>
@@ -15,7 +16,7 @@
 #include <linux/pci.h>
 #include <linux/spinlock.h>
 #include <linux/spi/spi.h>
-#include <linux/delay.h>
+#include "internals.h"
 
 #define DRV_NAME "spi-pci1xxxx"
 
@@ -567,7 +568,7 @@ static int pci1xxxx_spi_transfer_with_dma(struct spi_controller *spi_ctlr,
 static int pci1xxxx_spi_transfer_one(struct spi_controller *spi_ctlr,
 				     struct spi_device *spi, struct spi_transfer *xfer)
 {
-	if (spi_ctlr->can_dma(spi_ctlr, spi, xfer) && spi_ctlr->cur_msg_mapped)
+	if (spi_xfer_is_dma_mapped(spi_ctlr, spi, xfer))
 		return pci1xxxx_spi_transfer_with_dma(spi_ctlr, spi, xfer);
 	else
 		return pci1xxxx_spi_transfer_with_io(spi_ctlr, spi, xfer);