diff options
Diffstat (limited to 'drivers/staging/wfx/bus_spi.c')
| -rw-r--r-- | drivers/staging/wfx/bus_spi.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/staging/wfx/bus_spi.c b/drivers/staging/wfx/bus_spi.c index 605ad74068b7..d6a75bd61595 100644 --- a/drivers/staging/wfx/bus_spi.c +++ b/drivers/staging/wfx/bus_spi.c @@ -27,6 +27,8 @@ MODULE_PARM_DESC(gpio_reset, "gpio number for reset. -1 for none."); #define SET_WRITE 0x7FFF /* usage: and operation */ #define SET_READ 0x8000 /* usage: or operation */ +#define WFX_RESET_INVERTED 1 + static const struct wfx_platform_data wfx_spi_pdata = { .file_fw = "wfm_wf200", .file_pds = "wf200.pds", @@ -206,9 +208,11 @@ static int wfx_spi_probe(struct spi_device *func) if (!bus->gpio_reset) { dev_warn(&func->dev, "try to load firmware anyway\n"); } else { - gpiod_set_value(bus->gpio_reset, 0); - udelay(100); + if (spi_get_device_id(func)->driver_data & WFX_RESET_INVERTED) + gpiod_toggle_active_low(bus->gpio_reset); gpiod_set_value(bus->gpio_reset, 1); + udelay(100); + gpiod_set_value(bus->gpio_reset, 0); udelay(2000); } @@ -245,14 +249,16 @@ static int wfx_spi_remove(struct spi_device *func) * stripped. */ static const struct spi_device_id wfx_spi_id[] = { - { "wfx-spi", 0 }, + { "wfx-spi", WFX_RESET_INVERTED }, + { "wf200", 0 }, { }, }; MODULE_DEVICE_TABLE(spi, wfx_spi_id); #ifdef CONFIG_OF static const struct of_device_id wfx_spi_of_match[] = { - { .compatible = "silabs,wfx-spi" }, + { .compatible = "silabs,wfx-spi", .data = (void *)WFX_RESET_INVERTED }, + { .compatible = "silabs,wf200" }, { }, }; MODULE_DEVICE_TABLE(of, wfx_spi_of_match); |