On 10/30/2014 12:36 AM, Scott Branden wrote: > Add a verify option to driver to print out an error message if a > potential back to back write could cause a clock domain issue. > index f8c450a..11af27f 100644 > +#ifdef CONFIG_MMC_SDHCI_BCM2835_VERIFY_WORKAROUND > + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > + struct bcm2835_sdhci_host *bcm2835_host = pltfm_host->priv; > + > + if (bcm2835_host->previous_reg == reg) { > + if ((reg != SDHCI_HOST_CONTROL) > + && (reg != SDHCI_CLOCK_CONTROL)) { The comment in patch 3 says the problem doesn't apply to the data register. Why does this check for these two registers rather than data? > + dev_err(mmc_dev(host->mmc), > + "back-to-back write to 0x%x\n", reg); The continuation line should be indented at least one more level here. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html