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can: tcan4x5x: tcan4x5x_regmap_init(): use spi as context pointer

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This patch replaces the context pointer of the regmap callback functions by a
pointer to the spi_device. This saves one level of indirection in the
callbacks.

Reviewed-by: Dan Murphy <dmurphy@ti.com>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20201215231746.1132907-11-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2020-12-16 00:17:40 +01:00
parent 0c05345210
commit bf722fdd3b
1 changed files with 3 additions and 5 deletions
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8
drivers/net/can/m_can/tcan4x5x-regmap.c
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@ -18,8 +18,7 @@ static int tcan4x5x_regmap_gather_write(void *context, const void *reg,
size_t reg_len, const void *val,
size_t val_len)
{
struct device *dev = context;
struct spi_device *spi = to_spi_device(dev);
struct spi_device *spi = context;
struct spi_message m;
u32 addr;
struct spi_transfer t[2] = {
@ -47,8 +46,7 @@ static int tcan4x5x_regmap_read(void *context,
const void *reg, size_t reg_size,
void *val, size_t val_size)
{
struct device *dev = context;
struct spi_device *spi = to_spi_device(dev);
struct spi_device *spi = context;
u32 addr = TCAN4X5X_READ_CMD | (*((u16 *)reg) << 8) | val_size >> 2;
@ -73,6 +71,6 @@ static const struct regmap_bus tcan4x5x_bus = {
int tcan4x5x_regmap_init(struct tcan4x5x_priv *priv)
{
priv->regmap = devm_regmap_init(&priv->spi->dev, &tcan4x5x_bus,
&priv->spi->dev, &tcan4x5x_regmap);
priv->spi, &tcan4x5x_regmap);
return PTR_ERR_OR_ZERO(priv->regmap);
}