Hi Alexander,

> +static int i915_spi_init_mtd(struct i915_spi *spi, struct device *device,
> +                          unsigned int nparts)
> +{
> +     unsigned int i;
> +     unsigned int n;
> +     struct mtd_partition *parts = NULL;
> +     int ret;
> +
> +     dev_dbg(device, "registering with mtd\n");
> +
> +     spi->mtd.owner = THIS_MODULE;
> +     spi->mtd.dev.parent = device;
> +     spi->mtd.flags = MTD_CAP_NORFLASH | MTD_WRITEABLE;
> +     spi->mtd.type = MTD_DATAFLASH;
> +     spi->mtd.priv = spi;
> +     spi->mtd._write = i915_spi_write;
> +     spi->mtd._read = i915_spi_read;
> +     spi->mtd._erase = i915_spi_erase;
> +     spi->mtd._get_device = i915_spi_get_device;
> +     spi->mtd._put_device = i915_spi_put_device;
> +     spi->mtd.writesize = SZ_1; /* 1 byte granularity */

You say writesize should be aligned with 4 in your next patch?

> +     spi->mtd.erasesize = SZ_4K; /* 4K bytes granularity */
> +     spi->mtd.size = spi->size;
> +
> +     parts = kcalloc(spi->nregions, sizeof(*parts), GFP_KERNEL);
> +     if (!parts)
> +             return -ENOMEM;
> +
> +     for (i = 0, n = 0; i < spi->nregions && n < nparts; i++) {
> +             if (!spi->regions[i].is_readable)
> +                     continue;
> +             parts[n].name = spi->regions[i].name;
> +             parts[n].offset  = spi->regions[i].offset;
> +             parts[n].size = spi->regions[i].size;
> +             if (!spi->regions[i].is_writable)
> +                     parts[n].mask_flags = MTD_WRITEABLE;
> +             n++;
> +     }
> +
> +     ret = mtd_device_register(&spi->mtd, parts, n);
> +
> +     kfree(parts);
> +
> +     return ret;
> +}
> +

Thanks,
Miquèl

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