Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: [email protected]
---
 drivers/net/can/grcan.c                               | 8 ++++----
 drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 9 ++++-----
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
index 17fbc7a..4c3a7dd 100644
--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -26,6 +26,7 @@
  * Contributors: Andreas Larsson <[email protected]>
  */
 
+#include <linux/err.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
@@ -1683,10 +1684,9 @@ static int grcan_probe(struct platform_device *ofdev)
        }
 
        res = platform_get_resource(ofdev, IORESOURCE_MEM, 0);
-       base = devm_request_and_ioremap(&ofdev->dev, res);
-       if (!base) {
-               dev_err(&ofdev->dev, "couldn't map IO resource\n");
-               err = -EADDRNOTAVAIL;
+       base = devm_ioremap_resource(&ofdev->dev, res);
+       if (IS_ERR(base)) {
+               err = PTR_ERR(base);
                goto exit_error;
        }
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index b43d68b..a3431aa 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -22,6 +22,7 @@
   Author: Giuseppe Cavallaro <[email protected]>
 
*******************************************************************************/
 
+#include <linux/err.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/of.h>
@@ -88,11 +89,9 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
        if (!res)
                return -ENODEV;
 
-       addr = devm_request_and_ioremap(dev, res);
-       if (!addr) {
-               pr_err("%s: ERROR: memory mapping failed", __func__);
-               return -ENOMEM;
-       }
+       addr = devm_ioremap_resource(dev, res);
+       if (IS_ERR(addr))
+               return PTR_ERR(addr);
 
        if (pdev->dev.of_node) {
                plat_dat = devm_kzalloc(&pdev->dev,
-- 
1.8.1.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to