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coccinelle: api: add devm_platform_ioremap_resource script
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>
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scripts/coccinelle/api/devm_platform_ioremap_resource.cocci
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scripts/coccinelle/api/devm_platform_ioremap_resource.cocci
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// SPDX-License-Identifier: GPL-2.0
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/// Use devm_platform_ioremap_resource helper which wraps
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/// platform_get_resource() and devm_ioremap_resource() together.
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///
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// Confidence: High
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// Copyright: (C) 2019 Himanshu Jha GPLv2.
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// Copyright: (C) 2019 Julia Lawall, Inria/LIP6. GPLv2.
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// Keywords: platform_get_resource, devm_ioremap_resource,
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// Keywords: devm_platform_ioremap_resource
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virtual patch
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virtual report
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@r depends on patch && !report@
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expression e1, e2, arg1, arg2, arg3;
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identifier id;
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@@
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(
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- id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
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- struct resource *id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
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)
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... when != id
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- e1 = devm_ioremap_resource(arg3, id);
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+ e1 = devm_platform_ioremap_resource(arg1, arg2);
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... when != id
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? id = e2
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@r1 depends on patch && !report@
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identifier r.id;
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type T;
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@@
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- T *id;
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...when != id
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@r2 depends on report && !patch@
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identifier id;
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expression e1, e2, arg1, arg2, arg3;
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position j0;
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@@
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(
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id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
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struct resource *id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
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)
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... when != id
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e1@j0 = devm_ioremap_resource(arg3, id);
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... when != id
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? id = e2
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@script:python depends on report && !patch@
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e1 << r2.e1;
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j0 << r2.j0;
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@@
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msg = "WARNING: Use devm_platform_ioremap_resource for %s" % (e1)
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coccilib.report.print_report(j0[0], msg)
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