[PATCH v3 8/8] linux/iopoll: enable polled timeouts for PBL_CLOCKSOURCE

Stefan Kerkmann s.kerkmann at pengutronix.de
Mon Aug 17 07:01:19 PDT 2026


This enables the usage of the polled timeout functions in the barebox
pbl with real timeouts for supported architectures. Currently only
AARCH64 and MACH_AM33XX is enabled.

Signed-off-by: Stefan Kerkmann <s.kerkmann at pengutronix.de>
---
 include/linux/iopoll.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index a6fade2a11..21014b73da 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -12,7 +12,7 @@
 #include <clock.h>
 #include <pbl.h>
 
-#if IN_PROPER
+#if IN_PROPER || IS_ENABLED(CONFIG_PBL_CLOCKSOURCE)
 # define read_poll_get_time_ns()	get_time_ns()
 # define read_poll_is_timeout(s, t)	is_timeout(s, t)
 #else
@@ -38,8 +38,8 @@
  * When available, you'll probably want to use one of the specialized
  * macros defined below rather than this macro directly.
  *
- * We do not have timing functions in the PBL, so ignore the timeout value and
- * loop infinitely here.
+ * We might not have timing functions in the PBL, so ignore the timeout value
+ * and loop infinitely here.
  */
 #define read_poll_timeout(op, val, cond, timeout_us, args...)	\
 ({ \

-- 
2.47.3




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