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mmc: sdhci: Enable high speed conditional on the corresponding bit

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The capabilities register has a field to indicate whether the host
supports high speed mode or not. Add high speed host_caps based on
this bit instead of enabling it by default.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Reviewed-by: Michal Simek <michal.simek@xilnx.com>
Tested-by: Michal Simek <michal.simek@xilnx.com>
(zcu104 with sdhci-caps-mask = <0 0x200000>;)
This commit is contained in:
Faiz Abbas 2020-07-23 09:42:19 +05:30 committed by Michal Simek
parent 2570cc6430
commit 620bb46ead
1 changed files with 4 additions and 1 deletions
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5
drivers/mmc/sdhci.c
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@ -843,7 +843,10 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE)
cfg->voltages |= host->voltages;
cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT;
if (caps & SDHCI_CAN_DO_HISPD)
cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz;
cfg->host_caps |= MMC_MODE_4BIT;
/* Since Host Controller Version3.0 */
if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {