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e3c47ff90d
This is a backport of Ansuel Smith's "Multiple improvement to qca8k stability" series. The QCA8337 switch is available on multiple platforms including ipq806x, ath79 and bcm53xx. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
From a46aec02bc06ac2c33f326339e4ef88c735dc30d Mon Sep 17 00:00:00 2001
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From: Ansuel Smith <ansuelsmth@gmail.com>
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Date: Fri, 14 May 2021 23:00:13 +0200
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Subject: [PATCH] net: dsa: qca8k: pass switch_revision info to phy dev_flags
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Define get_phy_flags to pass switch_Revision needed to tweak the
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internal PHY with debug values based on the revision.
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Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/dsa/qca8k.c | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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--- a/drivers/net/dsa/qca8k.c
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+++ b/drivers/net/dsa/qca8k.c
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@@ -1740,6 +1740,22 @@ qca8k_port_vlan_del(struct dsa_switch *d
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return ret;
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}
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+static u32 qca8k_get_phy_flags(struct dsa_switch *ds, int port)
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+{
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+ struct qca8k_priv *priv = ds->priv;
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+
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+ /* Communicate to the phy internal driver the switch revision.
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+ * Based on the switch revision different values needs to be
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+ * set to the dbg and mmd reg on the phy.
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+ * The first 2 bit are used to communicate the switch revision
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+ * to the phy driver.
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+ */
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+ if (port > 0 && port < 6)
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+ return priv->switch_revision;
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+
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+ return 0;
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+}
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+
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static enum dsa_tag_protocol
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qca8k_get_tag_protocol(struct dsa_switch *ds, int port,
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enum dsa_tag_protocol mp)
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@@ -1774,6 +1790,7 @@ static const struct dsa_switch_ops qca8k
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.phylink_mac_config = qca8k_phylink_mac_config,
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.phylink_mac_link_down = qca8k_phylink_mac_link_down,
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.phylink_mac_link_up = qca8k_phylink_mac_link_up,
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+ .get_phy_flags = qca8k_get_phy_flags,
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};
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static int qca8k_read_switch_id(struct qca8k_priv *priv)
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