*/
if (canpower && ios->power_mode == MMC_POWER_OFF) {
int mres;
+ u8 nullbyte = 0;
host->spi->mode &= ~(SPI_CPOL|SPI_CPHA);
mres = spi_setup(host->spi);
dev_dbg(&host->spi->dev,
"switch to SPI mode 0 failed\n");
- if (spi_w8r8(host->spi, 0x00) < 0)
+ if (spi_write(host->spi, &nullbyte, 1) < 0)
dev_dbg(&host->spi->dev,
"put spi signals to low failed\n");
struct mmc_spi_host *host = mmc_priv(mmc);
if (host->pdata && host->pdata->get_ro)
- return host->pdata->get_ro(mmc->parent);
- /* board doesn't support read only detection; assume writeable */
- return 0;
+ return !!host->pdata->get_ro(mmc->parent);
+ /*
+ * Board doesn't support read only detection; let the mmc core
+ * decide what to do.
+ */
+ return -ENOSYS;
}
static int mmc_spi_get_cd(struct mmc_host *mmc)
mmc->ops = &mmc_spi_ops;
mmc->max_blk_size = MMC_SPI_BLOCKSIZE;
- /* As long as we keep track of the number of successfully
- * transmitted blocks, we're good for multiwrite.
- */
- mmc->caps = MMC_CAP_SPI | MMC_CAP_MULTIWRITE;
+ mmc->caps = MMC_CAP_SPI;
/* SPI doesn't need the lowspeed device identification thing for
* MMC or SD cards, since it never comes up in open drain mode.