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From: Shahab Vahedi <Shahab.Vahedi@synopsys.com>
To: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Vineet Gupta <vgupta@kernel.org>,
	"linux-snps-arc@lists.infradead.org" 
	<linux-snps-arc@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"alexandre.torgue@foss.st.com andrew@lunn.ch
	boon.leong.ong@intel.com davem@davemloft.net edumazet@google.com
	hkallweit1@gmail.com hong.aun.looi@intel.com
	joabreu@synopsys.com kuba@kernel.org
	linux-arm-kernel@lists.infradead.org
	linux-stm32@st-md-mailman.stormreply.com linux@armlinux.org.uk
	mcoquelin.stm32@gmail.com netdev@vger.kernel.org
	pabeni@redhat.com peppe.cavallaro@st.com
	peter.jun.ann.lai@intel.com weifeng.voon"@intel.com,
	<"alexandre.torgue@foss.st.com andrew@lunn.ch
	boon.leong.ong@intel.com davem@davemloft.net edumazet@google.com
	hkallweit1@gmail.com hong.aun.looi@intel.com
	joabreu@synopsys.com kuba@kernel.org
	linux-arm-kernel@lists.infradead.org
	linux-stm32@st-md-mailman.stormreply.com linux@armlinux.org.uk
	mcoquelin.stm32@gmail.com netdev@vger.kernel.org
	pabeni@redhat.com peppe.cavallaro@st.com
	peter.jun.ann.lai@intel.com weifeng.voon"@intel.com>
Subject: Re: [PATCH net v5 2/3] net: stmmac: check if MAC needs to attach to a PHY
Date: Wed, 5 Apr 2023 08:48:19 +0000	[thread overview]
Message-ID: <4b0261ef-a747-cd88-3fc1-6d99ff3d8913@synopsys.com> (raw)
In-Reply-To: <20230403212434.296975-1-martin.blumenstingl@googlemail.com>

Same happens on ARC HSDK [1]:

# dmesg | grep stmmaceth
  stmmaceth f0008000.ethernet: use coherent DMA ops
  stmmaceth f0008000.ethernet: IRQ eth_wake_irq not found
  stmmaceth f0008000.ethernet: IRQ eth_lpi not found
  stmmaceth f0008000.ethernet: PTP uses main clock
  stmmaceth f0008000.ethernet: User ID: 0x10, Synopsys ID: 0x37
  stmmaceth f0008000.ethernet:    DWMAC1000
  stmmaceth f0008000.ethernet: DMA HW capability register supported
  stmmaceth f0008000.ethernet: RX Checksum Offload Engine supported
  stmmaceth f0008000.ethernet: COE Type 2
  stmmaceth f0008000.ethernet: TX Checksum insertion supported
  stmmaceth f0008000.ethernet: Normal descriptors
  stmmaceth f0008000.ethernet: Ring mode enabled
  stmmaceth f0008000.ethernet: Enable RX Mitigation via HW Watchdog Timer
  stmmaceth f0008000.ethernet: device MAC address 7e:14:df:5f:b8:78
  stmmaceth f0008000.ethernet eth0: Register MEM_TYPE_PAGE_POOL RxQ-0
  stmmaceth f0008000.ethernet eth0: PHY [stmmac-0:00] driver [Micrel KSZ9031 Gigabit PHY] (irq=POLL)
  stmmaceth f0008000.ethernet eth0: no phy found
  stmmaceth f0008000.ethernet eth0: __stmmac_open: Cannot attach to PHY (error: -19)

After reverting this patch:

# dmesg | grep stmmaceth
  stmmaceth f0008000.ethernet: use coherent DMA ops
  stmmaceth f0008000.ethernet: IRQ eth_wake_irq not found
  stmmaceth f0008000.ethernet: IRQ eth_lpi not found
  stmmaceth f0008000.ethernet: PTP uses main clock
  stmmaceth f0008000.ethernet: User ID: 0x10, Synopsys ID: 0x37
  stmmaceth f0008000.ethernet:    DWMAC1000
  stmmaceth f0008000.ethernet: DMA HW capability register supported
  stmmaceth f0008000.ethernet: RX Checksum Offload Engine supported
  stmmaceth f0008000.ethernet: COE Type 2
  stmmaceth f0008000.ethernet: TX Checksum insertion supported
  stmmaceth f0008000.ethernet: Normal descriptors
  stmmaceth f0008000.ethernet: Ring mode enabled
  stmmaceth f0008000.ethernet: Enable RX Mitigation via HW Watchdog Timer
  stmmaceth f0008000.ethernet: device MAC address 26:05:ea:c0:66:16
  stmmaceth f0008000.ethernet eth0: Register MEM_TYPE_PAGE_POOL RxQ-0
  stmmaceth f0008000.ethernet eth0: PHY [stmmac-0:00] driver [Micrel KSZ9031
  Gigabit PHY] (irq=POLL)
  stmmaceth f0008000.ethernet eth0: No Safety Features support found
  stmmaceth f0008000.ethernet eth0: PTP not supported by HW
  stmmaceth f0008000.ethernet eth0: configuring for phy/rgmii-id link mode
  stmmaceth f0008000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off

[1]
arch/arc/boot/dts/hsdk.dts

-- 
Shahab

  reply	other threads:[~2023-04-05  8:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-30  9:14 [PATCH net v5 0/3] Fix PHY handle no longer parsing Michael Sit Wei Hong
2023-03-30  9:14 ` [PATCH net v5 1/3] net: phylink: add phylink_expects_phy() method Michael Sit Wei Hong
2023-04-12  8:38   ` Maxime Chevallier
2023-04-12  6:58     ` Sit, Michael Wei Hong
2023-03-30  9:14 ` [PATCH net v5 2/3] net: stmmac: check if MAC needs to attach to a PHY Michael Sit Wei Hong
2023-04-03 21:24   ` RE " Martin Blumenstingl
2023-04-05  8:48     ` Shahab Vahedi [this message]
2023-04-05  9:06     ` Shahab Vahedi
2023-03-30  9:14 ` [PATCH net v5 3/3] net: stmmac: remove redundant fixup to support fixed-link mode Michael Sit Wei Hong
2023-03-31  8:30 ` [PATCH net v5 0/3] Fix PHY handle no longer parsing patchwork-bot+netdevbpf

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