[PATCH 11/14] pinctrl: aspeed: ast2600: check dev_read_addr_ptr() for NULL

[David Lechner]

Check the return value of dev_read_addr_ptr() for NULL instead of
IS_ERR(). This function only ever returns NULL on failure.

Drop the now-unused <linux/err.h> include.

Fixes: 46220bf0174d ("aspeed: AST2600 Pinctrl Driver")
Signed-off-by: David Lechner <dlech...@baylibre.com>
---
 drivers/pinctrl/aspeed/pinctrl_ast2600.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/aspeed/pinctrl_ast2600.c 
b/drivers/pinctrl/aspeed/pinctrl_ast2600.c
index f4bec6fe53c..af3eeacba51 100644
--- a/drivers/pinctrl/aspeed/pinctrl_ast2600.c
+++ b/drivers/pinctrl/aspeed/pinctrl_ast2600.c
@@ -10,7 +10,6 @@
 #include <dm.h>
 #include <dm/pinctrl.h>
 #include <linux/bitops.h>
-#include <linux/err.h>
 
 /*
  * This driver works with very simple configuration that has the same name
@@ -46,8 +45,8 @@ static int ast2600_pinctrl_probe(struct udevice *dev)
                return ret;
 
        priv->scu = dev_read_addr_ptr(clk_dev);
-       if (IS_ERR(priv->scu))
-               return PTR_ERR(priv->scu);
+       if (!priv->scu)
+               return -EINVAL;
 
        return 0;
 }

-- 
2.43.0