[PATCH net-next 1/2] net: dsa: xrs700x: fix unused warning for of_device_id

Fix unused variable warning that occurs when CONFIG_OF isn't defined by
adding __maybe_unused.

quoted

drivers/net/dsa/xrs700x/xrs700x_i2c.c:127:34: warning: unused

variable 'xrs700x_i2c_dt_ids' [-Wunused-const-variable]
   static const struct of_device_id xrs700x_i2c_dt_ids[] = {

Reported-by: kernel test robot <redacted>
Signed-off-by: George McCollister <george.mccollister@gmail.com>
---
 drivers/net/dsa/xrs700x/xrs700x_i2c.c  | 2 +-
 drivers/net/dsa/xrs700x/xrs700x_mdio.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/xrs700x/xrs700x_i2c.c b/drivers/net/dsa/xrs700x/xrs700x_i2c.c
index 16a46a78a037..489d9385b4f0 100644
--- a/drivers/net/dsa/xrs700x/xrs700x_i2c.c
+++ b/drivers/net/dsa/xrs700x/xrs700x_i2c.c

@@ -121,7 +121,7 @@ static const struct i2c_device_id xrs700x_i2c_id[] = {
 
 MODULE_DEVICE_TABLE(i2c, xrs700x_i2c_id);
 
-static const struct of_device_id xrs700x_i2c_dt_ids[] = {
+static const struct of_device_id __maybe_unused xrs700x_i2c_dt_ids[] = {
 	{ .compatible = "arrow,xrs7003e", .data = &xrs7003e_info },
 	{ .compatible = "arrow,xrs7003f", .data = &xrs7003f_info },
 	{ .compatible = "arrow,xrs7004e", .data = &xrs7004e_info },

diff --git a/drivers/net/dsa/xrs700x/xrs700x_mdio.c b/drivers/net/dsa/xrs700x/xrs700x_mdio.c
index a10ee28eb86e..3b3b78f20263 100644
--- a/drivers/net/dsa/xrs700x/xrs700x_mdio.c
+++ b/drivers/net/dsa/xrs700x/xrs700x_mdio.c

@@ -138,7 +138,7 @@ static void xrs700x_mdio_remove(struct mdio_device *mdiodev)
 	xrs700x_switch_remove(priv);
 }
 
-static const struct of_device_id xrs700x_mdio_dt_ids[] = {
+static const struct of_device_id __maybe_unused xrs700x_mdio_dt_ids[] = {
 	{ .compatible = "arrow,xrs7003e", .data = &xrs7003e_info },
 	{ .compatible = "arrow,xrs7003f", .data = &xrs7003f_info },
 	{ .compatible = "arrow,xrs7004e", .data = &xrs7004e_info },

-- 
2.11.0

Use of_match_ptr() on xrs700x_mdio_dt_ids so that NULL is substituted
when CONFIG_OF isn't defined. This will prevent unnecessary use of
xrs700x_mdio_dt_ids when CONFIG_OF isn't defined.

Signed-off-by: George McCollister <george.mccollister@gmail.com>
---
 drivers/net/dsa/xrs700x/xrs700x_mdio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/xrs700x/xrs700x_mdio.c b/drivers/net/dsa/xrs700x/xrs700x_mdio.c
index 3b3b78f20263..44f58bee04a4 100644
--- a/drivers/net/dsa/xrs700x/xrs700x_mdio.c
+++ b/drivers/net/dsa/xrs700x/xrs700x_mdio.c

@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/phy.h>
 #include <linux/if_vlan.h>
+#include <linux/of.h>
 #include "xrs700x.h"
 #include "xrs700x_reg.h"
 

@@ -150,7 +151,7 @@ MODULE_DEVICE_TABLE(of, xrs700x_mdio_dt_ids);
 static struct mdio_driver xrs700x_mdio_driver = {
 	.mdiodrv.driver = {
 		.name	= "xrs700x-mdio",
-		.of_match_table = xrs700x_mdio_dt_ids,
+		.of_match_table = of_match_ptr(xrs700x_mdio_dt_ids),
 	},
 	.probe	= xrs700x_mdio_probe,
 	.remove	= xrs700x_mdio_remove,

-- 
2.11.0

On 2/9/21 1:12 PM, George McCollister wrote:

Use of_match_ptr() on xrs700x_mdio_dt_ids so that NULL is substituted
when CONFIG_OF isn't defined. This will prevent unnecessary use of
xrs700x_mdio_dt_ids when CONFIG_OF isn't defined.

Signed-off-by: George McCollister <george.mccollister@gmail.com>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

On 2/9/21 1:12 PM, George McCollister wrote:

Fix unused variable warning that occurs when CONFIG_OF isn't defined by
adding __maybe_unused.

quoted

quoted

drivers/net/dsa/xrs700x/xrs700x_i2c.c:127:34: warning: unused

variable 'xrs700x_i2c_dt_ids' [-Wunused-const-variable]
   static const struct of_device_id xrs700x_i2c_dt_ids[] = {

Reported-by: kernel test robot <redacted>
Signed-off-by: George McCollister <george.mccollister@gmail.com>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian