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zynq: sdhci: Calculate minimum frequency based on max frequency

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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>
This commit is contained in:
Siva Durga Prasad Paladugu 2015-11-25 11:51:37 +05:30 committed by Michal Simek
parent 769afa54c6
commit b8a9bebeec
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/zynq_sdhci.c
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@ -29,7 +29,7 @@ int zynq_sdhci_init(phys_addr_t regbase)
SDHCI_QUIRK_BROKEN_R1B; SDHCI_QUIRK_BROKEN_R1B;
host->version = sdhci_readw(host, SDHCI_HOST_VERSION); 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; return 0;
} }