Merge tag 'linux-kselftest-fixes-5.15-rc5' of git://git.kernel.org/pub/scm/linux...

[platform/kernel/linux-rpi.git] / drivers / net / dsa / vitesse-vsc73xx-core.c

diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c
index 6e21a2a..a4b1447 100644 (file)
--- a/drivers/net/dsa/vitesse-vsc73xx-core.c
+++ b/drivers/net/dsa/vitesse-vsc73xx-core.c
@@ -664,16 +664,6 @@ static void vsc73xx_init_port(struct vsc73xx *vsc, int port)
                      VSC73XX_MAC_CFG_TX_EN |
                      VSC73XX_MAC_CFG_RX_EN);
 
-       /* Max length, we can do up to 9.6 KiB, so allow that.
-        * According to application not "VSC7398 Jumbo Frames" setting
-        * up the MTU to 9.6 KB does not affect the performance on standard
-        * frames, so just enable it. It is clear from the application note
-        * that "9.6 kilobytes" == 9600 bytes.
-        */
-       vsc73xx_write(vsc, VSC73XX_BLOCK_MAC,
-                     port,
-                     VSC73XX_MAXLEN, 9600);
-
        /* Flow control for the CPU port:
         * Use a zero delay pause frame when pause condition is left
         * Obey pause control frames
@@ -1030,6 +1020,24 @@ static void vsc73xx_get_ethtool_stats(struct dsa_switch *ds, int port,
        }
 }
 
+static int vsc73xx_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
+{
+       struct vsc73xx *vsc = ds->priv;
+
+       return vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port,
+                            VSC73XX_MAXLEN, new_mtu);
+}
+
+/* According to application not "VSC7398 Jumbo Frames" setting
+ * up the MTU to 9.6 KB does not affect the performance on standard
+ * frames. It is clear from the application note that
+ * "9.6 kilobytes" == 9600 bytes.
+ */
+static int vsc73xx_get_max_mtu(struct dsa_switch *ds, int port)
+{
+       return 9600;
+}
+
 static const struct dsa_switch_ops vsc73xx_ds_ops = {
        .get_tag_protocol = vsc73xx_get_tag_protocol,
        .setup = vsc73xx_setup,
@@ -1041,6 +1049,8 @@ static const struct dsa_switch_ops vsc73xx_ds_ops = {
        .get_sset_count = vsc73xx_get_sset_count,
        .port_enable = vsc73xx_port_enable,
        .port_disable = vsc73xx_port_disable,
+       .port_change_mtu = vsc73xx_change_mtu,
+       .port_max_mtu = vsc73xx_get_max_mtu,
 };
 
 static int vsc73xx_gpio_get(struct gpio_chip *chip, unsigned int offset)
@@ -1215,6 +1225,12 @@ int vsc73xx_remove(struct vsc73xx *vsc)
 }
 EXPORT_SYMBOL(vsc73xx_remove);
 
+void vsc73xx_shutdown(struct vsc73xx *vsc)
+{
+       dsa_switch_shutdown(vsc->ds);
+}
+EXPORT_SYMBOL(vsc73xx_shutdown);
+
 MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
 MODULE_DESCRIPTION("Vitesse VSC7385/7388/7395/7398 driver");
 MODULE_LICENSE("GPL v2");