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drivers: mci: Add mci_get_device_by_name function 

Get a 'struct mci' by search after the device name.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Daniel Schultz 2015-09-02 08:28:52 +02:00 committed by Sascha Hauer
parent 1f76dfce39
commit 572e8cdfa3
2 changed files with 22 additions and 0 deletions
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18
drivers/mci/mci-core.c
View File

@ -53,6 +53,8 @@
__res & __mask; \
})
LIST_HEAD(mci_list);
/**
* @file
* @brief Memory Card framework
@ -1787,6 +1789,8 @@ int mci_register(struct mci_host *host)
if (IS_ENABLED(CONFIG_MCI_STARTUP))
mci_card_probe(mci);
list_add_tail(&mci->list, &mci_list);
return 0;
err_unregister:
@ -1844,3 +1848,17 @@ void mci_of_parse(struct mci_host *host)
host->non_removable = of_property_read_bool(np, "non-removable");
}
struct mci *mci_get_device_by_name(const char *name)
{
struct mci *mci;
list_for_each_entry(mci, &mci_list, list) {
if (!mci->cdevname)
continue;
if (!strcmp(mci->cdevname, name))
return mci;
}
return NULL;
}

4
include/mci.h
View File

@ -466,6 +466,8 @@ struct mci {
struct mci_part *part_curr;
u8 ext_csd_part_config;
struct list_head list; /* The list of all mci devices */
};
int mci_register(struct mci_host*);
@ -483,4 +485,6 @@ static inline int mmc_host_is_spi(struct mci_host *host)
return 0;
}
struct mci *mci_get_device_by_name(const char *name);
#endif /* _MCI_H_ */