linux-kernel - [PATCH 5/6] crypto: ccp - Simplify with of_device_get_match

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20251106-crypto-of-match-v1-5-36b26cd35cff@linaro.org>
Date: Thu, 06 Nov 2025 17:31:57 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Olivia Mackall <olivia@...enic.com>, 
 Herbert Xu <herbert@...dor.apana.org.au>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, 
 Jesper Nilsson <jesper.nilsson@...s.com>, 
 Lars Persson <lars.persson@...s.com>, 
 "David S. Miller" <davem@...emloft.net>, 
 Tom Lendacky <thomas.lendacky@....com>, John Allen <john.allen@....com>, 
 Srujana Challa <schalla@...vell.com>, 
 Bharat Bhushan <bbhushan2@...vell.com>
Cc: linux-crypto@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...s.com, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 5/6] crypto: ccp - Simplify with of_device_get_match_data()

Driver's probe function matches against driver's of_device_id table,
where each entry has non-NULL match data, so of_match_node() can be
simplified with of_device_get_match_data().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/crypto/ccp/sp-platform.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/crypto/ccp/sp-platform.c b/drivers/crypto/ccp/sp-platform.c
index de8a8183efdb..3f9843fa7782 100644
--- a/drivers/crypto/ccp/sp-platform.c
+++ b/drivers/crypto/ccp/sp-platform.c
@@ -52,17 +52,6 @@ static const struct of_device_id sp_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, sp_of_match);

-static struct sp_dev_vdata *sp_get_of_version(struct platform_device *pdev)
-{
-	const struct of_device_id *match;
-
-	match = of_match_node(sp_of_match, pdev->dev.of_node);
-	if (match && match->data)
-		return (struct sp_dev_vdata *)match->data;
-
-	return NULL;
-}
-
 static const struct sp_dev_vdata *sp_get_acpi_version(struct platform_device *pdev)
 {
 	const struct acpi_device_id *match;
@@ -123,7 +112,7 @@ static int sp_platform_probe(struct platform_device *pdev)
 		goto e_err;

 	sp->dev_specific = sp_platform;
-	sp->dev_vdata = pdev->dev.of_node ? sp_get_of_version(pdev)
+	sp->dev_vdata = pdev->dev.of_node ? of_device_get_match_data(&pdev->dev)
 					 : sp_get_acpi_version(pdev);
 	if (!sp->dev_vdata) {
 		ret = -ENODEV;

-- 
2.48.1