spi: atmel_spi.c: use resource_size()

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 8ce70cb..d21c24e 100644 (file)
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -788,7 +788,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev)
        spin_lock_init(&as->lock);
        INIT_LIST_HEAD(&as->queue);
        as->pdev = pdev;
-       as->regs = ioremap(regs->start, (regs->end - regs->start) + 1);
+       as->regs = ioremap(regs->start, resource_size(regs));
        if (!as->regs)
                goto out_free_buffer;
        as->irq = irq;