spi: dw: fixed missing resource_size

fixed the coccicheck:
drivers/spi/spi-dw-bt1.c:220:27-30: ERROR: Missing
resource_size with mem.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/1606114975-31362-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c
index f382dfad7842131f68a9c0064c63075bc775cba5..da4f4d82617c32b32001eaa79039df22394b06d3 100644 (file)
--- a/drivers/spi/spi-dw-bt1.c
+++ b/drivers/spi/spi-dw-bt1.c
@@ -217,7 +217,7 @@ static int dw_spi_bt1_sys_init(struct platform_device *pdev,
        if (mem) {
                dwsbt1->map = devm_ioremap_resource(&pdev->dev, mem);
                if (!IS_ERR(dwsbt1->map)) {
-                       dwsbt1->map_len = (mem->end - mem->start + 1);
+                       dwsbt1->map_len = resource_size(mem);
                        dws->mem_ops.dirmap_create = dw_spi_bt1_dirmap_create;
                        dws->mem_ops.dirmap_read = dw_spi_bt1_dirmap_read;
                } else {