This aligns it with DEBUG_INITCALLS, which also traces exitcalls.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
common/Kconfig | 10 ++++++++--
drivers/base/driver.c | 4 ++++
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/common/Kconfig b/common/Kconfig
index d0055e2d2182..802bd9bfbb2e 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1503,9 +1503,15 @@ config DEBUG_INITCALLS
If enabled this will print initcall traces.
config DEBUG_PROBES
- bool "Trace driver probes"
+ bool "Trace driver probes/removes"
help
- If enabled this will print driver probe traces.
+ If enabled this will log driver probe and remove traces. If DEBUG_LL is enabled,
+ probes will be printed even before registering consoles. If it's disabled, they
+ will be collected in the log and written out once a console is active.
+
+ Removes are written to the log and will be printed as long as consoles exist.
+ Most consoles do not implement a remove callback to remain operable until
+ the very end. Consoles using DMA, however, must be removed.
config PBL_BREAK
bool "Execute software break on pbl start"
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index dd965eb165ee..bb07e96dcaf4 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -502,11 +502,15 @@ EXPORT_SYMBOL_GPL(dev_set_name);
static void devices_shutdown(void)
{
struct device_d *dev;
+ int depth = 0;
list_for_each_entry(dev, &active, active) {
if (dev->bus->remove) {
+ depth++;
+ pr_report_probe("%*sremove-> %s\n", depth * 4, "", dev_name(dev));
dev->bus->remove(dev);
dev->driver = NULL;
+ depth--;
}
}
}
--
2.30.2
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