diff options
| author | Hugo Villeneuve <hvilleneuve@dimonoff.com> | 2024-04-09 11:42:53 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-11 14:08:08 +0200 |
| commit | 48d4a801be0ff64740832fcc71ac4632c12fd73b (patch) | |
| tree | 8c75642f8da8b97ba4a3f69d7779f988a6acd718 /drivers/tty/serial/sc16is7xx_spi.c | |
| parent | cf9c37530fdabc0c25a896ff56f4c9208dcb9c86 (diff) | |
serial: sc16is7xx: split into core and I2C/SPI parts (sc16is7xx_regcfg)
Since each I2C/SPI probe function can modify sc16is7xx_regcfg at the same
time, change structure to be constant and do the required modifications on
a local copy.
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240409154253.3043822-6-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/sc16is7xx_spi.c')
| -rw-r--r-- | drivers/tty/serial/sc16is7xx_spi.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/tty/serial/sc16is7xx_spi.c b/drivers/tty/serial/sc16is7xx_spi.c index f110c4e6dce6..73df36f8a7fd 100644 --- a/drivers/tty/serial/sc16is7xx_spi.c +++ b/drivers/tty/serial/sc16is7xx_spi.c @@ -18,6 +18,7 @@ static int sc16is7xx_spi_probe(struct spi_device *spi) { const struct sc16is7xx_devtype *devtype; struct regmap *regmaps[SC16IS7XX_MAX_PORTS]; + struct regmap_config regcfg; unsigned int i; int ret; @@ -37,17 +38,19 @@ static int sc16is7xx_spi_probe(struct spi_device *spi) if (!devtype) return dev_err_probe(&spi->dev, -ENODEV, "Failed to match device\n"); + memcpy(®cfg, &sc16is7xx_regcfg, sizeof(struct regmap_config)); + for (i = 0; i < devtype->nr_uart; i++) { - sc16is7xx_regcfg.name = sc16is7xx_regmap_name(i); + regcfg.name = sc16is7xx_regmap_name(i); /* * If read_flag_mask is 0, the regmap code sets it to a default * of 0x80. Since we specify our own mask, we must add the READ * bit ourselves: */ - sc16is7xx_regcfg.read_flag_mask = sc16is7xx_regmap_port_mask(i) | + regcfg.read_flag_mask = sc16is7xx_regmap_port_mask(i) | SC16IS7XX_SPI_READ_BIT; - sc16is7xx_regcfg.write_flag_mask = sc16is7xx_regmap_port_mask(i); - regmaps[i] = devm_regmap_init_spi(spi, &sc16is7xx_regcfg); + regcfg.write_flag_mask = sc16is7xx_regmap_port_mask(i); + regmaps[i] = devm_regmap_init_spi(spi, ®cfg); } return sc16is7xx_probe(&spi->dev, devtype, regmaps, spi->irq); |