1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/spi/spi_ppc4xx.c b/drivers/spi/spi_ppc4xx.c
index 140a18d6cf3e..7cb5ff37f6e2 100644
--- a/drivers/spi/spi_ppc4xx.c
+++ b/drivers/spi/spi_ppc4xx.c
@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/sched.h>
+#include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/wait.h>
 #include <linux/of_platform.h>
@@ -578,7 +579,7 @@ static int __exit spi_ppc4xx_of_remove(struct of_device *op)
         return 0;
 }
 
-static struct of_device_id spi_ppc4xx_of_match[] = {
+static const struct of_device_id spi_ppc4xx_of_match[] = {
         { .compatible = "ibm,ppc4xx-spi", },
         {},
 };