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List:       linux-can
Subject:    [can-next-rfc 13/16] can: tcan4x5x: add max_raw_{read,write} of 256
From:       Marc Kleine-Budde <mkl () pengutronix ! de>
Date:       2020-12-15 23:17:43
Message-ID: 20201215231746.1132907-14-mkl () pengutronix ! de
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The tcan4x5x chip support bulk read/write, but as the length field is only 8
bits wide, the maximum is 256. A length of 0 is treated as 256.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 drivers/net/can/m_can/tcan4x5x-regmap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/can/m_can/tcan4x5x-regmap.c b/drivers/net/can/m_can/tcan4x5x-regmap.c
index c6963437064c..f113881fb012 100644
--- a/drivers/net/can/m_can/tcan4x5x-regmap.c
+++ b/drivers/net/can/m_can/tcan4x5x-regmap.c
@@ -67,6 +67,8 @@ static const struct regmap_bus tcan4x5x_bus = {
 	.read = tcan4x5x_regmap_read,
 	.reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
 	.val_format_endian_default = REGMAP_ENDIAN_NATIVE,
+	.max_raw_read = 256,
+	.max_raw_write = 256,
 };
 
 int tcan4x5x_regmap_init(struct tcan4x5x_priv *priv)
-- 
2.29.2


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