diff options
| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2022-01-13 17:04:14 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-01-14 08:52:44 +0100 |
| commit | 90244aef72993fb8771213f1a63b862ca8d8c695 (patch) | |
| tree | 930f193ff7d65cf3419dbfe16d8f47572a393385 /drivers/base | |
| parent | 3f256724b98fb3784a6caf3cff77f957d46bead9 (diff) | |
| download | barebox-90244aef72993fb8771213f1a63b862ca8d8c695.tar.gz | |
commands: add new devunbind debugging command
Memory corruption around device removal may go unnoticed, because
barebox is shutting down anyway and doing no new allocations.
Add a new devunbind command that should help with debugging such issues
by allowing selective unbinding and removal of devices.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220113160414.3943151-3-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/driver.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c index bb07e96dca..f54f4d0b37 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -41,7 +41,8 @@ EXPORT_SYMBOL(device_list); LIST_HEAD(driver_list); EXPORT_SYMBOL(driver_list); -static LIST_HEAD(active); +LIST_HEAD(active_device_list); +EXPORT_SYMBOL(active_device_list); static LIST_HEAD(deferred); struct device_d *get_device_by_name(const char *name) @@ -91,7 +92,7 @@ int device_probe(struct device_d *dev) pinctrl_select_state_default(dev); of_clk_set_defaults(dev->device_node, false); - list_add(&dev->active, &active); + list_add(&dev->active, &active_device_list); ret = dev->bus->probe(dev); if (ret == 0) @@ -504,7 +505,7 @@ static void devices_shutdown(void) struct device_d *dev; int depth = 0; - list_for_each_entry(dev, &active, active) { + list_for_each_entry(dev, &active_device_list, active) { if (dev->bus->remove) { depth++; pr_report_probe("%*sremove-> %s\n", depth * 4, "", dev_name(dev)); |