linux-kernel - [PATCH] dt-bindings: Use portable sort for version cmp

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Date:   Mon,  1 Feb 2021 18:58:28 +0200
From:   Iskren Chernev <iskren.chernev@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Iskren Chernev <iskren.chernev@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Andrei Ziureaev <andrei.ziureaev@....com>,
        Cristian Ciocaltea <cristian.ciocaltea@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: Use portable sort for version cmp

sort -C is like sort -c >/dev/null but less portable. It fails on
busybox sort (i.e alpine linux).

Signed-off-by: Iskren Chernev <iskren.chernev@...il.com>
Fixes: ea5b8b5eb004 ("dt-bindings: Add a minimum version check for dtschema")
---
 Documentation/devicetree/bindings/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index 90fcad98984d..780e5618ec0a 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -10,7 +10,7 @@ DT_SCHEMA_MIN_VERSION = 2020.8.1
 PHONY += check_dtschema_version
 check_dtschema_version:
 	@{ echo $(DT_SCHEMA_MIN_VERSION); \
-	$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \
+	$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \
 	{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
 
 quiet_cmd_extract_ex = DTEX    $@

base-commit: fd821bf0ed9a7db09d2e007df697f4d9ecfda99a
prerequisite-patch-id: c90e3d48df0672dab84da1b294374598bfc45db8
prerequisite-patch-id: f0b48cda55170cf82855daa6f7b4edfdba83d90c
prerequisite-patch-id: 48482c0c3e2797459e311f73db1828f2531bd11c
prerequisite-patch-id: 5512fd0c8367c8c8a2ace8003b533057422e1437
prerequisite-patch-id: 1635c0e78c99506fd2710f54be4e5fc5980712a6
prerequisite-patch-id: e80dacf2da55197be027f297617868832ddabfc9
prerequisite-patch-id: bd3efb4ced6ceb2c6a50dcd8527ea4d6d19baf5d
-- 
2.30.0