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[U-Boot] zynq: sdhci: Calculate minimum frequency based on max frequency

Message ID 2f2d97214c408f3222b9e3b8de9095b7b9a7eb52.1448531315.git.michal.simek@xilinx.com
State Accepted
Delegated to: Michal Simek
Headers show

Commit Message

Michal Simek Nov. 26, 2015, 9:48 a.m. UTC 
From: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>

Calculate the minimum sd clock based on max clock. This will
be done by add_sdhci() if we pass minimum clock as zero.
It also does based on SD host contoller version.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

 drivers/mmc/zynq_sdhci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index e169b774932a..2d6cb31e12ee 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -29,7 +29,7 @@  int zynq_sdhci_init(phys_addr_t regbase)
 		       SDHCI_QUIRK_BROKEN_R1B;
 	host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
 
-	add_sdhci(host, CONFIG_ZYNQ_SDHCI_MAX_FREQ, 52000000 >> 9);
+	add_sdhci(host, CONFIG_ZYNQ_SDHCI_MAX_FREQ, 0);
 	return 0;
 }