From: Daniel Mack <[email protected]>

Maximum bus frequency can be limited by external circuitry like level
shifters etc. Allow passing this value from DT.

Signed-off-by: Daniel Mack <[email protected]>
Cc: Venkatraman S <[email protected]>
Cc: Chris Ball <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: [email protected]
Signed-off-by: Venkatraman S <[email protected]>
---
 drivers/mmc/host/omap_hsmmc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 01eeeae..a33ab74 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1674,7 +1674,7 @@ static struct omap_mmc_platform_data 
*of_get_hsmmc_pdata(struct device *dev)
 {
        struct omap_mmc_platform_data *pdata;
        struct device_node *np = dev->of_node;
-       u32 bus_width;
+       u32 bus_width, max_freq;
 
        pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
        if (!pdata)
@@ -1701,6 +1701,9 @@ static struct omap_mmc_platform_data 
*of_get_hsmmc_pdata(struct device *dev)
        if (of_find_property(np, "ti,needs-special-reset", NULL))
                pdata->slots[0].features |= HSMMC_HAS_UPDATED_RESET;
 
+       if (!of_property_read_u32(np, "max-frequency", &max_freq))
+               pdata->max_freq = max_freq;
+
        return pdata;
 }
 #else
-- 
1.7.11.1.25.g0e18bef

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