[PATCH v3 2/6] arm: mach-imx: Add command to expose QB functionality

[Marek Vasut]

On 4/2/26 11:40 AM, Simona Toaca (OSS) wrote:

[...]

> +static void parse_qb_args(int argc, char * const argv[],
> +			  int *qb_dev, int qb_bootdev)
> +{
> +	long dev = -1;
> +	char *interface = "";
> +
> +	if (argc < 2) {
> +		/* qb save -> use boot device */
> +		*qb_dev = qb_bootdev;
> +	} else {
> +		interface = argv[1];
> +	}
> +
> +	if (argc == 3)
> +		dev = simple_strtol(argv[2], NULL, 10);
> +
> +	if (!strcmp(interface, "mmc") && dev >= 0 &&
> +	    dev <= (BOOT_DEVICE_MMC2_2 - BOOT_DEVICE_MMC1))
> +		*qb_dev = BOOT_DEVICE_MMC1 + dev;
> +	else if (!strcmp(interface, "spi"))
> +		*qb_dev = BOOT_DEVICE_SPI;

if (!strcmp(interface, "spi")) {
   *qb_dev = BOOT_DEVICE_SPI;
} else {
   blk_get_device_by_str(interface, argv[2], ...);
   -> This will handle all block devices and all block device
      names and format strings of those, no need to write yet
      another ad-hoc decoder for those by hand. Then use
      blk_dread()/blk_dwrite() to access block storage.
}

[...]