diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 16 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 2 |
2 files changed, 13 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 30f64b1f235..e4429394a19 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1604,17 +1604,23 @@ int sdhci_add_host(struct sdhci_host *host) mmc_dev(host->mmc)->dma_mask = &host->dma_mask; } - host->max_clk = - (caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT; + if (host->ops->get_max_clock) + host->max_clk = host->ops->get_max_clock(host); + else { + 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; } - host->max_clk *= 1000000; - host->timeout_clk = - (caps & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT; + if (host->ops->get_timeout_clock) + host->timeout_clk = host->ops->get_timeout_clock(host); + else + 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)); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 31f4b1528e7..fb3931c88a3 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -267,6 +267,8 @@ struct sdhci_host { struct sdhci_ops { int (*enable_dma)(struct sdhci_host *host); + unsigned int (*get_max_clock)(struct sdhci_host *host); + unsigned int (*get_timeout_clock)(struct sdhci_host *host); }; |