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@xxxxxxxxxxxxxx>
---
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
