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mmc: omap_hsmmc: Check if MMC slot name is passed in pdata 

The legacy user space for n900 relies on the MMC slot names.
Let's check if those are passed in pdata and use them.

As this makes the DT booting compatible with legacy booting,
we should be able to start dropping omap3 legacy booting
support in v4.8.

Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Tony Lindgren 2016-04-26 16:46:23 -07:00 committed by Ulf Hansson
parent ab22f51671
commit db863d8966
1 changed files with 5 additions and 1 deletions
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6
drivers/mmc/host/omap_hsmmc.c
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@ -1946,13 +1946,17 @@ MODULE_DEVICE_TABLE(of, omap_mmc_of_match);
static struct omap_hsmmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
{
struct omap_hsmmc_platform_data *pdata;
struct omap_hsmmc_platform_data *pdata, *legacy;
struct device_node *np = dev->of_node;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return ERR_PTR(-ENOMEM); /* out of memory */
legacy = dev_get_platdata(dev);
if (legacy && legacy->name)
pdata->name = legacy->name;
if (of_find_property(np, "ti,dual-volt", NULL))
pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;