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-rw-r--r--scripts/coccinelle/api/devm_platform_ioremap_resource.cocci60
1 files changed, 60 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/devm_platform_ioremap_resource.cocci b/scripts/coccinelle/api/devm_platform_ioremap_resource.cocci
new file mode 100644
index 000000000000..56a2e261d61d
--- /dev/null
+++ b/scripts/coccinelle/api/devm_platform_ioremap_resource.cocci
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/// Use devm_platform_ioremap_resource helper which wraps
+/// platform_get_resource() and devm_ioremap_resource() together.
+///
+// Confidence: High
+// Copyright: (C) 2019 Himanshu Jha GPLv2.
+// Copyright: (C) 2019 Julia Lawall, Inria/LIP6. GPLv2.
+// Keywords: platform_get_resource, devm_ioremap_resource,
+// Keywords: devm_platform_ioremap_resource
+
+virtual patch
+virtual report
+
+@r depends on patch && !report@
+expression e1, e2, arg1, arg2, arg3;
+identifier id;
+@@
+
+(
+- id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
+|
+- struct resource *id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
+)
+ ... when != id
+- e1 = devm_ioremap_resource(arg3, id);
++ e1 = devm_platform_ioremap_resource(arg1, arg2);
+ ... when != id
+? id = e2
+
+@r1 depends on patch && !report@
+identifier r.id;
+type T;
+@@
+
+- T *id;
+ ...when != id
+
+@r2 depends on report && !patch@
+identifier id;
+expression e1, e2, arg1, arg2, arg3;
+position j0;
+@@
+
+(
+ id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
+|
+ struct resource *id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
+)
+ ... when != id
+ e1@j0 = devm_ioremap_resource(arg3, id);
+ ... when != id
+? id = e2
+
+@script:python depends on report && !patch@
+e1 << r2.e1;
+j0 << r2.j0;
+@@
+
+msg = "WARNING: Use devm_platform_ioremap_resource for %s" % (e1)
+coccilib.report.print_report(j0[0], msg)