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coccinelle: api: add devm_platform_ioremap_resource script

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Use recently introduced devm_platform_ioremap_resource
helper which wraps platform_get_resource() and
devm_ioremap_resource() together. This helps produce much
cleaner code and remove local `struct resource` declaration.

Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Himanshu Jha 2019-07-16 11:22:22 +05:30 committed by Masahiro Yamada
parent 4bd01de8f2
commit d09778d16e
1 changed files with 60 additions and 0 deletions
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60
scripts/coccinelle/api/devm_platform_ioremap_resource.cocci Normal file
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@ -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)