diff options
| author | Pavan Kunapuli <pkunapuli@nvidia.com> | 2011-03-09 14:42:25 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-04-26 15:53:23 -0700 |
| commit | 892ad326688fbb29612358dd7dffc5835b969f4c (patch) | |
| tree | bd1dedafc717b60d1a9fd47b9870bf6e9966cfb1 /drivers/mmc | |
| parent | b244795f227344fb586ff4917335320b7468f056 (diff) | |
sdhci:tegra:Enable 8bit support if platform supports it.
Set SDHCI_QUIRK_8_BIT_DATA if the platform supports 8-bit
data. If not, use 4-bit data width.
Bug 794550
Bug 796574
Bug 796220
Original-Change-Id: Icd8536e0e0b2db77d1443fbbf0ba6b90b51b62ca
Reviewed-on: http://git-master/r/20746
Reviewed-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Tested-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Reviewed-by: Venkata Nageswara Penumarty <vpenumarty@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Change-Id: I85a1f68f2faf0751ada631132b19116e3b574bc5
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-tegra.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index bc0bac4309e9..bfb878839483 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -349,13 +349,15 @@ static int __devinit tegra_sdhci_probe(struct platform_device *pdev) SDHCI_QUIRK_BROKEN_WRITE_PROTECT | SDHCI_QUIRK_BROKEN_CTRL_HISPD | SDHCI_QUIRK_NO_HISPD_BIT | - SDHCI_QUIRK_8_BIT_DATA | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | SDHCI_QUIRK_RUNTIME_DISABLE; #ifdef CONFIG_ARCH_TEGRA_3x_SOC sdhci->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION; #endif + if (plat->is_8bit_supported) + sdhci->quirks |= SDHCI_QUIRK_8_BIT_DATA; + if (plat->force_hs != 0) sdhci->quirks |= SDHCI_QUIRK_FORCE_HIGH_SPEED_MODE; #ifdef CONFIG_MMC_EMBEDDED_SDIO |