diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c814220d214..34ab77bd12a 100644 --- 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; |