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30c0ffeccc
Copy patches and configuration from kernel 5.10 to kernel 5.15 files. No changes were done. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
43 lines
1.7 KiB
Diff
43 lines
1.7 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Sun, 7 Nov 2021 14:20:40 +0100
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Subject: [PATCH] net: bgmac: connect to PHY even if it is BGMAC_PHY_NOREGS
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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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Recent bgmac change was meant to just fix a race between "Generic PHY"
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and "bcm53xx" drivers after -EPROBE_DEFER. It modified bgmac to use
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phy_connect() only if there is a real PHY device connected.
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That change broke bgmac on bcm47xx. bcma_phy_connect() now registers a
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fixed PHY with the bgmac_phy_connect_direct(). That fails as another
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fixed PHY (also using address 0) is already registered - by bcm47xx arch
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code bcm47xx_register_bus_complete().
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This change brings origial behaviour. It connects Ethernet interface
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with pseudo-PHY (switch device) and adjusts Ethernet interface link to
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match connected switch.
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This fixes:
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[ 2.548098] bgmac_bcma bcma0:1: Failed to register fixed PHY device
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[ 2.554584] bgmac_bcma bcma0:1: Cannot connect to phy
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Fixes: b5375509184d ("net: bgmac: improve handling PHY")
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Link: https://lore.kernel.org/netdev/3639116e-9292-03ca-b9d9-d741118a4541@gmail.com/T/#u
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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drivers/net/ethernet/broadcom/bgmac-bcma.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
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+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
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@@ -94,7 +94,7 @@ static int bcma_phy_connect(struct bgmac
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return 0;
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/* Connect to the PHY */
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- if (bgmac->mii_bus && bgmac->phyaddr != BGMAC_PHY_NOREGS) {
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+ if (bgmac->mii_bus) {
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snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, bgmac->mii_bus->id,
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bgmac->phyaddr);
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phy_dev = phy_connect(bgmac->net_dev, bus_id, bgmac_adjust_link,
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