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Date: Fri, 17 Jun 2022 14:12:47 +0530
From: Arun Ramadoss <arun.ramadoss@...rochip.com>
To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC: Woojung Huh <woojung.huh@...rochip.com>,
<UNGLinuxDriver@...rochip.com>, Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
"Russell King" <linux@...linux.org.uk>
Subject: [Patch net-next 03/11] net: dsa: microchip: move tag_protocol to ksz_common
This patch move the dsa hook get_tag_protocol to ksz_common file. And
the tag_protocol is returned based on the dev->chip_id.
Signed-off-by: Arun Ramadoss <arun.ramadoss@...rochip.com>
---
drivers/net/dsa/microchip/ksz8795.c | 13 +------------
drivers/net/dsa/microchip/ksz9477.c | 14 +-------------
drivers/net/dsa/microchip/ksz_common.c | 24 ++++++++++++++++++++++++
drivers/net/dsa/microchip/ksz_common.h | 2 ++
4 files changed, 28 insertions(+), 25 deletions(-)
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 3cc51ee5fb6c..041956e3c7b1 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -898,17 +898,6 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
}
}
-static enum dsa_tag_protocol ksz8_get_tag_protocol(struct dsa_switch *ds,
- int port,
- enum dsa_tag_protocol mp)
-{
- struct ksz_device *dev = ds->priv;
-
- /* ksz88x3 uses the same tag schema as KSZ9893 */
- return ksz_is_ksz88x3(dev) ?
- DSA_TAG_PROTO_KSZ9893 : DSA_TAG_PROTO_KSZ8795;
-}
-
static u32 ksz8_sw_get_phy_flags(struct dsa_switch *ds, int port)
{
/* Silicon Errata Sheet (DS80000830A):
@@ -1394,7 +1383,7 @@ static void ksz8_get_caps(struct dsa_switch *ds, int port,
}
static const struct dsa_switch_ops ksz8_switch_ops = {
- .get_tag_protocol = ksz8_get_tag_protocol,
+ .get_tag_protocol = ksz_get_tag_protocol,
.get_phy_flags = ksz8_sw_get_phy_flags,
.setup = ksz8_setup,
.phy_read = ksz_phy_read16,
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 7d3c8f6908b6..ab3fbb8e15a1 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -276,18 +276,6 @@ static void ksz9477_port_init_cnt(struct ksz_device *dev, int port)
mutex_unlock(&mib->cnt_mutex);
}
-static enum dsa_tag_protocol ksz9477_get_tag_protocol(struct dsa_switch *ds,
- int port,
- enum dsa_tag_protocol mp)
-{
- enum dsa_tag_protocol proto = DSA_TAG_PROTO_KSZ9477;
- struct ksz_device *dev = ds->priv;
-
- if (dev->features & IS_9893)
- proto = DSA_TAG_PROTO_KSZ9893;
- return proto;
-}
-
static int ksz9477_phy_read16(struct dsa_switch *ds, int addr, int reg)
{
struct ksz_device *dev = ds->priv;
@@ -1326,7 +1314,7 @@ static int ksz9477_setup(struct dsa_switch *ds)
}
static const struct dsa_switch_ops ksz9477_switch_ops = {
- .get_tag_protocol = ksz9477_get_tag_protocol,
+ .get_tag_protocol = ksz_get_tag_protocol,
.setup = ksz9477_setup,
.phy_read = ksz9477_phy_read16,
.phy_write = ksz9477_phy_write16,
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index bb710e5daff6..25272647199c 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -930,6 +930,30 @@ void ksz_port_stp_state_set(struct dsa_switch *ds, int port,
}
EXPORT_SYMBOL_GPL(ksz_port_stp_state_set);
+enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
+ int port, enum dsa_tag_protocol mp)
+{
+ struct ksz_device *dev = ds->priv;
+ enum dsa_tag_protocol proto = DSA_TAG_PROTO_NONE;
+
+ if (dev->chip_id == KSZ8795_CHIP_ID ||
+ dev->chip_id == KSZ8794_CHIP_ID ||
+ dev->chip_id == KSZ8765_CHIP_ID)
+ proto = DSA_TAG_PROTO_KSZ8795;
+
+ if (dev->chip_id == KSZ8830_CHIP_ID ||
+ dev->chip_id == KSZ9893_CHIP_ID)
+ proto = DSA_TAG_PROTO_KSZ9893;
+
+ if (dev->chip_id == KSZ9477_CHIP_ID ||
+ dev->chip_id == KSZ9897_CHIP_ID ||
+ dev->chip_id == KSZ9567_CHIP_ID)
+ proto = DSA_TAG_PROTO_KSZ9477;
+
+ return proto;
+}
+EXPORT_SYMBOL_GPL(ksz_get_tag_protocol);
+
static int ksz_switch_detect(struct ksz_device *dev)
{
u8 id1, id2;
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index e6bc5fb2b130..21db6f79035f 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -231,6 +231,8 @@ int ksz_port_mdb_del(struct dsa_switch *ds, int port,
int ksz_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
void ksz_get_strings(struct dsa_switch *ds, int port,
u32 stringset, uint8_t *buf);
+enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
+ int port, enum dsa_tag_protocol mp);
/* Common register access functions */
--
2.36.1
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