sdhci: Add get_{max,timeout}_clock callbacks

[linux-2.6-omap-h63xx.git] / drivers / mmc / host / sdhci.c

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index c814220d214e7842c9534fc2a5abcffc2e076259..34ab77bd12ae15afa76be8fe7a41c7a39cc929ed 100644 (file)
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1674,19 +1674,27 @@ int sdhci_add_host(struct sdhci_host *host)
 
        host->max_clk =
                (caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT;
+       host->max_clk *= 1000000;
        if (host->max_clk == 0) {
-               printk(KERN_ERR "%s: Hardware doesn't specify base clock "
-                       "frequency.\n", mmc_hostname(mmc));
-               return -ENODEV;
+               if (!host->ops->get_max_clock) {
+                       printk(KERN_ERR
+                              "%s: Hardware doesn't specify base clock "
+                              "frequency.\n", mmc_hostname(mmc));
+                       return -ENODEV;
+               }
+               host->max_clk = host->ops->get_max_clock(host);
        }
-       host->max_clk *= 1000000;
 
        host->timeout_clk =
                (caps & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT;
        if (host->timeout_clk == 0) {
-               printk(KERN_ERR "%s: Hardware doesn't specify timeout clock "
-                       "frequency.\n", mmc_hostname(mmc));
-               return -ENODEV;
+               if (!host->ops->get_timeout_clock) {
+                       printk(KERN_ERR
+                              "%s: Hardware doesn't specify timeout clock "
+                              "frequency.\n", mmc_hostname(mmc));
+                       return -ENODEV;
+               }
+               host->timeout_clk = host->ops->get_timeout_clock(host);
        }
        if (caps & SDHCI_TIMEOUT_CLK_UNIT)
                host->timeout_clk *= 1000;