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50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
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From 45977e58ce65ed0459edc9a0466d9dfea09463f5 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Thu, 23 Mar 2023 20:48:41 +0100
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Subject: [PATCH] net: dsa: b53: mmap: add phy ops
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Implement phy_read16() and phy_write16() ops for B53 MMAP to avoid accessing
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B53_PORT_MII_PAGE registers which hangs the device.
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This access should be done through the MDIO Mux bus controller.
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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Acked-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/b53/b53_mmap.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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--- a/drivers/net/dsa/b53/b53_mmap.c
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+++ b/drivers/net/dsa/b53/b53_mmap.c
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@@ -216,6 +216,18 @@ static int b53_mmap_write64(struct b53_d
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return 0;
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}
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+static int b53_mmap_phy_read16(struct b53_device *dev, int addr, int reg,
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+ u16 *value)
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+{
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+ return -EIO;
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+}
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+
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+static int b53_mmap_phy_write16(struct b53_device *dev, int addr, int reg,
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+ u16 value)
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+{
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+ return -EIO;
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+}
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+
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static const struct b53_io_ops b53_mmap_ops = {
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.read8 = b53_mmap_read8,
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.read16 = b53_mmap_read16,
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@@ -227,6 +239,8 @@ static const struct b53_io_ops b53_mmap_
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.write32 = b53_mmap_write32,
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.write48 = b53_mmap_write48,
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.write64 = b53_mmap_write64,
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+ .phy_read16 = b53_mmap_phy_read16,
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+ .phy_write16 = b53_mmap_phy_write16,
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};
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static int b53_mmap_probe_of(struct platform_device *pdev,
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