Messages in this thread Patch in this message | | | From | Wenchao Chen <> | Subject | [PATCH V2] mmc: sdhci-sprd: Fix minimum clock limit | Date | Tue, 11 Oct 2022 18:49:35 +0800 |
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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(-)
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, -- 2.17.1
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