driver core: Remove driver_deferred_probe_check_state_continue()

Now that driver_deferred_probe_check_state() works better, and
we've converted the only user of
driver_deferred_probe_check_state_continue() we can simply
remove it and simplify some of the logic.

Cc: linux-pm@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Todd Kjos <tkjos@google.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Kevin Hilman <khilman@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Link: https://lore.kernel.org/r/20200225050828.56458-5-john.stultz@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index fe26f2574a6da1651a39759e02636da170ea7f9e..c09e4e7277d463be11f20cb156493b136648ee10 100644 (file)
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -244,19 +244,6 @@ static int __init deferred_probe_timeout_setup(char *str)
 }
 __setup("deferred_probe_timeout=", deferred_probe_timeout_setup);
 
-static int __driver_deferred_probe_check_state(struct device *dev)
-{
-       if (!IS_ENABLED(CONFIG_MODULES) && initcalls_done)
-               return -ENODEV;
-
-       if (!deferred_probe_timeout) {
-               dev_WARN(dev, "deferred probe timeout, ignoring dependency");
-               return -ETIMEDOUT;
-       }
-
-       return -EPROBE_DEFER;
-}
-
 /**
  * driver_deferred_probe_check_state() - Check deferred probe state
  * @dev: device to check
@@ -272,39 +259,15 @@ static int __driver_deferred_probe_check_state(struct device *dev)
  */
 int driver_deferred_probe_check_state(struct device *dev)
 {
-       int ret;
-
-       ret = __driver_deferred_probe_check_state(dev);
-       if (ret != -ENODEV)
-               return ret;
-
-       dev_warn(dev, "ignoring dependency for device, assuming no driver");
-
-       return -ENODEV;
-}
-
-/**
- * driver_deferred_probe_check_state_continue() - check deferred probe state
- * @dev: device to check
- *
- * Returns -ETIMEDOUT if deferred probe debug timeout has expired, or
- * -EPROBE_DEFER otherwise.
- *
- * Drivers or subsystems can opt-in to calling this function instead of
- * directly returning -EPROBE_DEFER.
- *
- * This is similar to driver_deferred_probe_check_state(), but it allows the
- * subsystem to keep deferring probe after built-in drivers have had a chance
- * to probe. One scenario where that is useful is if built-in drivers rely on
- * resources that are provided by modular drivers.
- */
-int driver_deferred_probe_check_state_continue(struct device *dev)
-{
-       int ret;
+       if (!IS_ENABLED(CONFIG_MODULES) && initcalls_done) {
+               dev_warn(dev, "ignoring dependency for device, assuming no driver");
+               return -ENODEV;
+       }
 
-       ret = __driver_deferred_probe_check_state(dev);
-       if (ret != -ENODEV)
-               return ret;
+       if (!deferred_probe_timeout) {
+               dev_WARN(dev, "deferred probe timeout, ignoring dependency");
+               return -ETIMEDOUT;
+       }
 
        return -EPROBE_DEFER;
 }

diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index 1188260f9a025a117a444b23c615e11f7024e2f8..5242afabfabab5d573f8c3f3b9cb994f4c0b5088 100644 (file)
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -238,7 +238,6 @@ driver_find_device_by_acpi_dev(struct device_driver *drv, const void *adev)
 
 void driver_deferred_probe_add(struct device *dev);
 int driver_deferred_probe_check_state(struct device *dev);
-int driver_deferred_probe_check_state_continue(struct device *dev);
 void driver_init(void);
 
 /**