From: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Date: Fri, 15 May 2026 13:50:28 +0000 (+0000)
Subject: pps: bump PPS device count
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9bf93cb2e180a58d5984ba13daee95903ff4fc14;p=thirdparty%2Fkernel%2Flinux.git

pps: bump PPS device count

Modern systems may have more than 16 PPS sources and current hard-coded
limit breaks registration of some devices. Let's bump the limit to 256
in hope it will be enough in foreseen future.

Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Link: https://patch.msgid.link/20260515135028.2021318-1-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/include/uapi/linux/pps.h b/include/uapi/linux/pps.h
index 009ebcd8ced5e..1088dea65e12f 100644
--- a/include/uapi/linux/pps.h
+++ b/include/uapi/linux/pps.h
@@ -26,7 +26,7 @@
 #include <linux/types.h>
 
 #define PPS_VERSION		"5.3.6"
-#define PPS_MAX_SOURCES		16		/* should be enough... */
+#define PPS_MAX_SOURCES		256		/* should be enough... */
 
 /* Implementation note: the logical states ``assert'' and ``clear''
  * are implemented in terms of the chip register, i.e. ``assert''