From: Andrew Lunn <andrew@lunn.ch>
To: Alex Elder <elder@riscstar.com>
Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com,
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linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 02/12] net: pcs: pcs-xpcs: select operating mode for 10G-baseR capable PCS
Date: Fri, 1 May 2026 18:50:45 +0200 [thread overview]
Message-ID: <f9a581a2-02ea-4948-8c97-835cb7638b1d@lunn.ch> (raw)
In-Reply-To: <20260501155421.3329862-3-elder@riscstar.com>
> +static int xpcs_config_operating_mode(struct dw_xpcs *xpcs, int an_mode)
> +{
> + int mdio_stat2, ret;
> +
> + switch (an_mode) {
> + case DW_AN_C37_SGMII:
> + case DW_AN_C37_1000BASEX:
> + case DW_2500BASEX:
> + mdio_stat2 = xpcs_read(xpcs, MDIO_MMD_PCS, MDIO_STAT2);
> + if (mdio_stat2 < 0)
> + return mdio_stat2;
> +
> + /*
> + * If this XPCS supports 10Gbase-R then it will be the default
> + * which prevents 1000base-X and slower from working correctly.
It would be interesting to know if Toshiba messed up the integration
of the PCS, or there is an errata for the licensed IP.
Anybody got access to the databook and erratas?
Andrew
next prev parent reply other threads:[~2026-05-01 16:51 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-01 15:54 [PATCH net-next 00/12] net: enable TC956x support Alex Elder
2026-05-01 15:54 ` [PATCH net-next 01/12] net: pcs: pcs-xpcs-regmap: support XPCS memory-mapped MDIO bus via regmap Alex Elder
2026-05-01 15:54 ` [PATCH net-next 02/12] net: pcs: pcs-xpcs: select operating mode for 10G-baseR capable PCS Alex Elder
2026-05-01 16:50 ` Andrew Lunn [this message]
2026-05-01 18:07 ` Alex Elder
2026-05-05 15:58 ` Daniel Thompson
2026-05-01 15:54 ` [PATCH net-next 03/12] net: pcs: pcs-xpcs: Preserve BMCR_ANENBLE during link up Alex Elder
2026-05-01 17:06 ` Andrew Lunn
2026-05-01 15:54 ` [PATCH net-next 04/12] net: stmmac: dma: create a separate dma_device pointer Alex Elder
2026-05-01 17:13 ` Andrew Lunn
2026-05-01 18:06 ` Alex Elder
2026-05-01 20:55 ` Andrew Lunn
2026-05-04 13:36 ` Alex Elder
2026-05-01 15:54 ` [PATCH net-next 05/12] net: stmmac: dwxgmac2: Add multi MSI interrupt mode Alex Elder
2026-05-01 17:21 ` Andrew Lunn
2026-05-01 15:54 ` [PATCH net-next 06/12] net: stmmac: dwxgmac2: Add XGMAC 3.01a support Alex Elder
2026-05-01 15:54 ` [PATCH net-next 07/12] net: stmmac: dwxgmac2: export symbols for XGMAC 3.01a DMA Alex Elder
2026-05-01 15:54 ` [PATCH net-next 08/12] dt-bindings: net: toshiba,tc965x-dwmac: add TC956x Ethernet bridge Alex Elder
2026-05-01 17:38 ` Andrew Lunn
2026-05-03 2:22 ` Alex Elder
2026-05-04 11:00 ` Krzysztof Kozlowski
2026-05-04 13:34 ` Alex Elder
2026-05-01 15:54 ` [PATCH net-next 09/12] gpio: tc956x: add TC956x/QPS615 support Alex Elder
2026-05-01 18:36 ` Andrew Lunn
2026-05-03 1:45 ` Alex Elder
2026-05-03 2:48 ` Andrew Lunn
2026-05-03 3:05 ` Andrew Lunn
2026-05-03 3:42 ` Julian Braha
2026-05-04 12:46 ` Bartosz Golaszewski
2026-05-04 13:07 ` Alex Elder
2026-05-01 15:54 ` [PATCH net-next 10/12] net: stmmac: " Alex Elder
2026-05-01 19:04 ` Andrew Lunn
2026-05-05 16:38 ` Mohd Ayaan Anwar
2026-05-05 16:46 ` Alex Elder
2026-05-01 15:54 ` [PATCH net-next 11/12] misc: tc956x_pci: " Alex Elder
2026-05-01 21:07 ` Andrew Lunn
2026-05-03 2:06 ` Alex Elder
2026-05-02 16:45 ` Jakub Kicinski
2026-05-03 2:06 ` Alex Elder
2026-05-03 2:14 ` Jakub Kicinski
2026-05-03 2:23 ` Alex Elder
2026-05-01 15:54 ` [PATCH net-next 12/12] arm64: dts: qcom: qcs6490-rb3gen2: enable TC9564 with a single QCS8081 phy Alex Elder
2026-05-01 21:09 ` Andrew Lunn
2026-05-05 16:25 ` Daniel Thompson
2026-05-05 16:42 ` Mohd Ayaan Anwar
2026-05-05 16:46 ` Alex Elder
2026-05-02 16:47 ` [PATCH net-next 00/12] net: enable TC956x support Jakub Kicinski
2026-05-03 2:07 ` Alex Elder
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