diff options
Diffstat (limited to 'mpm')
| -rw-r--r-- | mpm/python/usrp_mpm/sys_utils/db_flash.py | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/mpm/python/usrp_mpm/sys_utils/db_flash.py b/mpm/python/usrp_mpm/sys_utils/db_flash.py index c9c357aff..76827c069 100644 --- a/mpm/python/usrp_mpm/sys_utils/db_flash.py +++ b/mpm/python/usrp_mpm/sys_utils/db_flash.py @@ -26,6 +26,9 @@ class DBFlash(): self.log = get_logger("DBFlash") else: self.log = log.getChild("DBFlash") + self.mount = None + self.mtd_devpath = None + self.mtdblock_devpath = None self.initialized = False def init(self): @@ -38,15 +41,19 @@ class DBFlash(): time.sleep(0.2) try: self.mtd_devpath = get_device_from_symbol(self.dt_symbol, ['*', 'mtd']) - self.mtdblock_devpath = get_device_from_symbol(self.dt_symbol, ['*', 'block']) + self.mtdblock_devpath = get_device_from_symbol( + self.dt_symbol, ['*', 'block']) except FileNotFoundError: - raise ValueError("could not find MTD/-block device for device tree symbol {}".format(self.dt_symbol)) + raise ValueError( + "could not find MTD/-block device for device tree symbol {}".format( + self.dt_symbol)) try: self.mount = Mount(self.mtdblock_devpath, '/mnt/' + self.dt_symbol, ['-t', 'jffs2'], log=self.log) - ret = self.mount.mount() - if not ret: - raise RuntimeError() + if not self.mount.ismounted(): + ret = self.mount.mount() + if not ret: + raise RuntimeError() self.initialized = True except: self.log.warning("Failed to initialize daughterboard flash") @@ -71,8 +78,7 @@ class DBFlash(): dtoverlay.rm_overlay_safe(self.overlay) self.initialized = False return ret - else: - return False + return False def clear_flash(self): """ |