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[V2] mmc: sdhci-sprd: Fix minimum clock limit

Message ID 20221011104935.10980-1-wenchao.chen666@gmail.com
State New
Headers show
Series [V2] mmc: sdhci-sprd: Fix minimum clock limit | expand

Commit Message

Wenchao Chen Oct. 11, 2022, 10:49 a.m. UTC 
From: Wenchao Chen <wenchao.chen@unisoc.com>

v1 -> v2:
 - Address Adrian's suggestions

Our controller supports 100K. During the test, it was found that mmc_rescan
failed to scan the card at 400K, and did not try 300K, 200K, and 100K. After
modifying the minimum clock limit to 100K, the card scan was successful

Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: fb8bd90f83c4 ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller")
---
 drivers/mmc/host/sdhci-sprd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index 46c55ab4884c..b92a408f138d 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -309,7 +309,7 @@  static unsigned int sdhci_sprd_get_max_clock(struct sdhci_host *host)
 
 static unsigned int sdhci_sprd_get_min_clock(struct sdhci_host *host)
 {
-	return 400000;
+	return 100000;
 }
 
 static void sdhci_sprd_set_uhs_signaling(struct sdhci_host *host,