common: move workqueue handling from poller_call() to sched()

Workqueues are run out of poller_call, not because of a dependency, but
because when they were added, poller_call was directly called from
is_timeout.

With the addition of bthreads, there is now a general resched() function
that runs pollers and switches between bthreads. It makes sense to move
workqueue handling there as well to keep scheduling matter contained in
a single function. Do so.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210622082617.18011-4-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 26 insertions, 0 deletions

diff --git a/common/sched.c b/common/sched.c
new file mode 100644
index 0000000000..dcf6522ac0
--- /dev/null
+++ b/common/sched.c
@@ -0,0 +1,26 @@
+/* SPDX License Identifier: GPL-2.0 */
+
+#include <bthread.h>
+#include <poller.h>
+#include <work.h>
+#include <slice.h>
+#include <sched.h>
+
+void resched(void)
+{
+	bool run_workqueues = !slice_acquired(&command_slice);
+
+	if (poller_active())
+		return;
+
+	command_slice_acquire();
+
+	if (run_workqueues)
+		wq_do_all_works();
+
+	poller_call();
+
+	command_slice_release();
+
+	bthread_reschedule();
+}