Hi,
I'm developing spi device driver. It's a module driver, and I don't need to
compile the kernel. The spi_board_info is below:
static struct spi_board_info ad1299_spi_board_info[] = {
[0] = {
.modalias = "ADS1299",
.max_speed_hz = 48000000, // 48MHz
.bus_num = 1,
.chip_select = 0,
.mode = SPI_MODE_1,
//.irq = gpio_to_irq(ADS2_RDY_PIN),
.platform_data = NULL,
.controller_data = NULL,
},
};
The chip_select is 0 above, and it's always failed when I call insmod to
install the driver. It seems that Chip select 0 is occupied by other
drivers.
I guess that chip select 0 is occupied by /dev/spidev1.0, right?
If /dev/spidev1.0 occupy SPI1 and CS0, is there any way that I unload
"/dev/spidev1.0" in user space? I just want to install my driver without
re-compiling the kernel.
Any suggestions are appreciated.
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