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can: tcan4x5x: add max_raw_{read,write} of 256

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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.

Reviewed-by: Dan Murphy <dmurphy@ti.com>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20201215231746.1132907-14-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2020-12-16 00:17:43 +01:00
parent aaf120c37c
commit 5584114b35
1 changed files with 2 additions and 0 deletions
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2
drivers/net/can/m_can/tcan4x5x-regmap.c
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@ -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)