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Subject[PATCH] [RFC] drm: rcar-du: keep temporary dtb files around during build
Date
The *.dtb and *.dtb.S files get removed by 'make' during the build process,
and later seem to be missed during the 'modpost' stage:

rm drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dtb drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dtb drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dtb.S drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dtb.S drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dtb.S drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dtb drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dtb drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dtb drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dtb.S drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dtb.S
WARNING: could not open drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dtb.S: No such file or directory

As a workaround, this adds all those files to the 'extra-y' target list,
but that's really ugly. Any ideas for a better fix?

Fixes: 81c0e3dd8292 ("drm: rcar-du: Fix legacy DT to create LVDS encoder nodes")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/gpu/drm/rcar-du/Makefile | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile
index 3e58ed93d5b1..e5fc6ec0b8cc 100644
--- a/drivers/gpu/drm/rcar-du/Makefile
+++ b/drivers/gpu/drm/rcar-du/Makefile
@@ -12,6 +12,21 @@ rcar-du-drm-$(CONFIG_DRM_RCAR_LVDS) += rcar_du_of.o \
rcar_du_of_lvds_r8a7793.dtb.o \
rcar_du_of_lvds_r8a7795.dtb.o \
rcar_du_of_lvds_r8a7796.dtb.o
+
+extra-y += rcar_du_of_lvds_r8a7790.dtb \
+ rcar_du_of_lvds_r8a7790.dtb \
+ rcar_du_of_lvds_r8a7791.dtb \
+ rcar_du_of_lvds_r8a7793.dtb \
+ rcar_du_of_lvds_r8a7795.dtb \
+ rcar_du_of_lvds_r8a7796.dtb
+
+extra-y += rcar_du_of_lvds_r8a7790.dtb.S \
+ rcar_du_of_lvds_r8a7790.dtb.S \
+ rcar_du_of_lvds_r8a7791.dtb.S \
+ rcar_du_of_lvds_r8a7793.dtb.S \
+ rcar_du_of_lvds_r8a7795.dtb.S \
+ rcar_du_of_lvds_r8a7796.dtb.S
+
rcar-du-drm-$(CONFIG_DRM_RCAR_VSP) += rcar_du_vsp.o

obj-$(CONFIG_DRM_RCAR_DU) += rcar-du-drm.o
--
2.9.0
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