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authorEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>2020-03-05 23:02:49 +0300
committerVineet Gupta <vgupta@synopsys.com>2020-03-16 10:23:25 -0700
commit240c84b1c22c9912ed1c8a96251b44e85d2ca2ed (patch)
treea38766aa21128a811ff6d2e88014c1156934a304 /arch/arc/include
parentf61f530c5a144ac548c5648c91441663b12437b8 (diff)
downloadlinux-240c84b1c22c9912ed1c8a96251b44e85d2ca2ed.tar.gz
ARC: add helpers to sanitize config options
We'll use this macro in coming patches extensively. Reviewed-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include')
-rw-r--r--arch/arc/include/asm/asserts.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arc/include/asm/asserts.h b/arch/arc/include/asm/asserts.h
new file mode 100644
index 000000000000..3314efbeb528
--- /dev/null
+++ b/arch/arc/include/asm/asserts.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Synopsys, Inc. (www.synopsys.com)
+ *
+ * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
+ */
+#ifndef __ASM_ARC_ASSERTS_H
+#define __ASM_ARC_ASSERTS_H
+
+/* Helpers to sanitize config options. */
+
+void chk_opt_strict(char *opt_name, bool hw_exists, bool opt_ena);
+
+/*
+ * Check required config option:
+ * - panic in case of OPT enabled but corresponding HW absent.
+ * - warn in case of OPT disabled but corresponding HW exists.
+*/
+#define CHK_OPT_STRICT(opt_name, hw_exists) \
+({ \
+ chk_opt_strict(#opt_name, hw_exists, IS_ENABLED(opt_name)); \
+})
+
+#endif /* __ASM_ARC_ASSERTS_H */