[POWERPC] fsl: Add warning for unrecognized I2C nodes in the device tree

Update of_find_i2c_driver in fsl_soc.c to display a warning message if an
I2C node in the device tree isn't found in the i2c_devices[] array.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 3a7054e2bb75..a38c364ea260 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -448,6 +448,10 @@ static int __init of_find_i2c_driver(struct device_node *node,
                         return -ENOMEM;
                 return 0;
         }
+
+        pr_warning("fsl_soc.c: unrecognized i2c node %s\n",
+                (const char *) of_get_property(node, "compatible", NULL));
+
         return -ENODEV;
 }