[PATCH] xilinx_spi.c: use resource_size()

[H Hartley Sweeten]

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>

---

diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c
index 5a143b9..32525e6 100644
--- a/drivers/spi/xilinx_spi.c
+++ b/drivers/spi/xilinx_spi.c
@@ -332,14 +332,14 @@ static int __init xilinx_spi_of_probe(struct of_device *ofdev,
 
 	xspi->irq = r_irq->start;
 
-	if (!request_mem_region(r_mem->start,
-			r_mem->end - r_mem->start + 1, XILINX_SPI_NAME)) {
+	if (!request_mem_region(r_mem->start, resource_size(r_mem),
+			XILINX_SPI_NAME)) {
 		rc = -ENXIO;
 		dev_warn(&ofdev->dev, "memory request failure\n");
 		goto put_master;
 	}
 
-	xspi->regs = ioremap(r_mem->start, r_mem->end - r_mem->start + 1);
+	xspi->regs = ioremap(r_mem->start, resource_size(r_mem));
 	if (xspi->regs == NULL) {
 		rc = -ENOMEM;
 		dev_warn(&ofdev->dev, "ioremap failure\n"); 
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