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| author | Marco Felsch <m.felsch@pengutronix.de> | 2021-05-10 12:25:21 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-05-12 07:25:13 +0200 |
| commit | 232b0ba85e8d19815c0535c7566ece663b3636f6 (patch) | |
| tree | fcb812dd329f3bb7a1a4d0e4caf5fd388a60607c | |
| parent | feeb9fbe964af1e00658335e06e72e739a814070 (diff) | |
| download | barebox-232b0ba85e8d19815c0535c7566ece663b3636f6.tar.gz barebox-232b0ba85e8d19815c0535c7566ece663b3636f6.tar.xz | |
driver: add flag to check if cdev is an mci device
We need this during mount() to check if the cdev is an mmc/mci main|user
hardware partition device. Later on we add the feature to pass
"root=/dev/mmcblkXpN" as kernel command line.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.barebox.org/20210510102523.7147-1-m.felsch@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | include/driver.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/driver.h b/include/driver.h index 0d43b36148..d84fe35d50 100644 --- a/include/driver.h +++ b/include/driver.h @@ -496,6 +496,7 @@ int cdev_erase(struct cdev *cdev, loff_t count, loff_t offset); #define DEVFS_PARTITION_READONLY (1U << 1) #define DEVFS_IS_CHARACTER_DEV (1U << 3) #define DEVFS_PARTITION_FROM_TABLE (1U << 4) +#define DEVFS_IS_MCI_MAIN_PART_DEV (1U << 5) struct cdev *devfs_add_partition(const char *devname, loff_t offset, loff_t size, unsigned int flags, const char *name); @@ -509,6 +510,11 @@ static inline void cdev_create_default_automount(struct cdev *cdev) } #endif +static inline bool cdev_is_mci_main_part_dev(struct cdev *cdev) +{ + return cdev->flags & DEVFS_IS_MCI_MAIN_PART_DEV; +} + #define DEVFS_PARTITION_APPEND 0 /** |