On Thu, Mar 19, 2015 at 5:55 AM, Georgi Djakov <georgi.djakov@xxxxxxxxxx> wrote: [..] > @@ -516,6 +527,22 @@ static int sdhci_msm_probe(struct platform_device *pdev) > host_version, ((host_version & SDHCI_VENDOR_VER_MASK) >> > SDHCI_VENDOR_VER_SHIFT)); > > + core_version = readl_relaxed(msm_host->core_mem + CORE_MCI_VERSION); > + core_major = (core_version & CORE_VERSION_MAJOR_MASK) >> > + CORE_VERSION_MAJOR_SHIFT; > + core_minor = core_version & CORE_VERSION_MINOR_MASK; > + dev_dbg(&pdev->dev, "MCI Version: 0x%08x, major: 0x%04x, minor: 0x%02x\n", > + core_version, core_major, core_minor); > + > + /* > + * Support for 3v and 8bit bus-width is not advertised by some > + * controller versions and must be explicitly enabled. > + */ > + if (core_major >= 1 && core_minor != 0x11 && core_minor != 0x12) > + writel_relaxed(readl_relaxed(host->ioaddr + SDHCI_CAPABILITIES) > + | CORE_3_0V_SUPPORT | CORE_8_BIT_SUPPORT, > + host->ioaddr + CORE_VENDOR_SPEC_CAPABILITIES0); Please split this into read, modify, write statements and put braces around it. > + Does the 8916 board you have work without bumping the regulator_set_load() (previously regulator_set_optimum_mode())? None of my 8974 boards work reliably without it. Regards, Bjorn -- 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
