linux-kernel - [PATCH v3 2/9] can: mcp251xfd: update errata references

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Message-Id: <20240624-mcp251xfd-workaround-erratum-6-v3-2-caf7e5f27f60@pengutronix.de>
Date: Mon, 24 Jun 2024 16:45:06 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Vincent Mailhol <mailhol.vincent@...adoo.fr>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: Manivannan Sadhasivam <mani@...nel.org>, 
 Thomas Kopp <thomas.kopp@...rochip.com>, 
 Stefan Althöfer <Stefan.Althoefer@...ztec.com>, 
 kernel@...gutronix.de, linux-can@...r.kernel.org, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH v3 2/9] can: mcp251xfd: update errata references

Since the errata references have been added to the driver, new errata
sheets have been published. Update the references for the mcp2517fd
and mcp2518fd. For completeness add references for the mcp251863.

Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
index 61e749f97650..ce1610f240a4 100644
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
@@ -1135,7 +1135,7 @@ mcp251xfd_handle_modif(const struct mcp251xfd_priv *priv, bool *set_normal_mode)
 		return 0;
 	}

-	/* According to MCP2517FD errata DS80000792B 1., during a TX
+	/* According to MCP2517FD errata DS80000792C 1., during a TX
 	 * MAB underflow, the controller will transition to Restricted
 	 * Operation Mode or Listen Only Mode (depending on SERR2LOM).
 	 *
@@ -1180,7 +1180,7 @@ static int mcp251xfd_handle_serrif(struct mcp251xfd_priv *priv)

 	/* TX MAB underflow
 	 *
-	 * According to MCP2517FD Errata DS80000792B 1. a TX MAB
+	 * According to MCP2517FD Errata DS80000792C 1. a TX MAB
 	 * underflow is indicated by SERRIF and MODIF.
 	 *
 	 * In addition to the effects mentioned in the Errata, there
@@ -1224,7 +1224,7 @@ static int mcp251xfd_handle_serrif(struct mcp251xfd_priv *priv)

 	/* RX MAB overflow
 	 *
-	 * According to MCP2517FD Errata DS80000792B 1. a RX MAB
+	 * According to MCP2517FD Errata DS80000792C 1. a RX MAB
 	 * overflow is indicated by SERRIF.
 	 *
 	 * In addition to the effects mentioned in the Errata, (most
@@ -1331,7 +1331,8 @@ mcp251xfd_handle_eccif(struct mcp251xfd_priv *priv, bool set_normal_mode)
 		return err;

 	/* Errata Reference:
-	 * mcp2517fd: DS80000789B, mcp2518fd: DS80000792C 2.
+	 * mcp2517fd: DS80000789C 3., mcp2518fd: DS80000792E 2.,
+	 * mcp251863: DS80000984A 2.
 	 *
 	 * ECC single error correction does not work in all cases:
 	 *
@@ -2095,7 +2096,8 @@ static int mcp251xfd_probe(struct spi_device *spi)
 	priv->devtype_data = *(struct mcp251xfd_devtype_data *)spi_get_device_match_data(spi);

 	/* Errata Reference:
-	 * mcp2517fd: DS80000792C 5., mcp2518fd: DS80000789C 4.
+	 * mcp2517fd: DS80000792C 5., mcp2518fd: DS80000789E 4.,
+	 * mcp251863: DS80000984A 4.
 	 *
 	 * The SPI can write corrupted data to the RAM at fast SPI
 	 * speeds:

-- 
2.43.0