[Buildroot] [PATCH 09/15] package/linuxptp adapt to preset-all

["Jérémy Rosen" <jeremy.rosen@smile.fr>]

linuxptp has two services
* linuxptp.service : the actual daemon
* linuxptp-system-clock.service : sync the linux clock to the phc clock

The first was enabled, the second was not
The second has an incorrect (though harmless) WantedBy : there is an
explicit Wants= in linuxptp.service

This keeps the compatibility, but I don't see the poit of not enabling the
second service.

Signed-off-by: J?r?my Rosen <jeremy.rosen@smile.fr>
---
 package/linuxptp/50-linuxptp.preset            | 1 +
 package/linuxptp/linuxptp-system-clock.service | 1 -
 package/linuxptp/linuxptp.mk                   | 5 ++---
 3 files changed, 3 insertions(+), 4 deletions(-)
 create mode 100644 package/linuxptp/50-linuxptp.preset

diff --git a/package/linuxptp/50-linuxptp.preset b/package/linuxptp/50-linuxptp.preset
new file mode 100644
index 0000000000..dd8dbb12d5
--- /dev/null
+++ b/package/linuxptp/50-linuxptp.preset
@@ -0,0 +1 @@
+disable linuxptp-system-clock.service
diff --git a/package/linuxptp/linuxptp-system-clock.service b/package/linuxptp/linuxptp-system-clock.service
index a4436a34a7..57beec4579 100644
--- a/package/linuxptp/linuxptp-system-clock.service
+++ b/package/linuxptp/linuxptp-system-clock.service
@@ -8,4 +8,3 @@ Restart=always
 
 [Install]
 WantedBy=multi-user.target
-WantedBy=linuxptp.service
diff --git a/package/linuxptp/linuxptp.mk b/package/linuxptp/linuxptp.mk
index c304ff6d6e..5b55322b0b 100644
--- a/package/linuxptp/linuxptp.mk
+++ b/package/linuxptp/linuxptp.mk
@@ -42,9 +42,8 @@ define LINUXPTP_INSTALL_INIT_SYSTEMD
 		$(TARGET_DIR)/usr/lib/systemd/system/linuxptp.service
 	$(INSTALL) -D -m 644 $(LINUXPTP_PKGDIR)/linuxptp-system-clock.service \
 		$(TARGET_DIR)/usr/lib/systemd/system/linuxptp-system-clock.service
-	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
-	ln -sf ../../../../usr/lib/systemd/system/linuxptp.service \
-		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/linuxptp.service
+	$(INSTALL) -D -m 644 package/linuxptp/50-linuxptp.preset \
+		$(TARGET_DIR)/usr/lib/systemd/system-preset/50-linuxptp.preset
 endef
 
 $(eval $(generic-package))
-- 
2.24.0.rc1