Hi, using Coccinelle v1.04 from Debian:
$ spatch -version
spatch version 1.0.4 with Python support and with PCRE support
The following semantic patch produces a match with current linux-next:
@@
expression table, dev;
type T;
@@
- (T)of_match_device(table, dev)->data
+ of_device_get_match_data(dev)
$ spatch -sp_file minimal.cocci drivers/gpu/drm/rcar-du/
...
HANDLING: drivers/gpu/drm/rcar-du/rcar_du_drv.c
diff =
diff -u -p a/rcar_du_drv.c b/rcar_du_drv.c
--- a/rcar_du_drv.c
+++ b/rcar_du_drv.c
@@ -183,7 +183,7 @@ static int rcar_du_load(struct drm_devic
init_waitqueue_head(&rcdu->commit.wait);
rcdu->dev = &pdev->dev;
- rcdu->info = of_match_device(rcar_du_of_table, rcdu->dev)->data;
+ rcdu->info = of_device_get_match_data(rcdu->dev);
rcdu->ddev = dev;
dev->dev_private = rcdu;
However, the match goes away when I want to keep a potential cast (T) which I
need in other places:
@@
expression table, dev;
type T;
@@
- (T)of_match_device(table, dev)->data
+ (T)of_device_get_match_data(dev)
I wonder why adding (T) to "+" affects the matching. Is this a bug or do I miss
something?
Thanks,
Wolfram
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