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-Subject: [PATCH] net: dsa: b53: mmap: add phy ops
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-Date: Thu, 23 Mar 2023 20:48:41 +0100
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-Message-Id: <[email protected]>
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-
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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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-
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-Signed-off-by: Álvaro Fernández Rojas <[email protected]>
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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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-
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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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-
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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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-
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- static int b53_mmap_probe_of(struct platform_device *pdev,
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Álvaro Fernández Rojas