[PATCH] mmc: sdhci: Enable high speed conditional on the correspnding bit
Faiz Abbas
faiz_abbas at ti.com
Thu Jul 23 06:12:19 CEST 2020
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 at ti.com>
---
drivers/mmc/sdhci.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 16989dcf05..48d639fe93 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -866,7 +866,10 @@ 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) {
--
2.17.1
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