linux-kernel - [PATCH v12 03/22] crypto: amlogic

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Message-Id: <20250624135214.1355051-4-romanov.alexey2000@gmail.com>
Date: Tue, 24 Jun 2025 16:51:55 +0300
From: Alexey Romanov <romanov.alexey2000@...il.com>
To: neil.armstrong@...aro.org,
	clabbe@...libre.com,
	herbert@...dor.apana.org.au,
	davem@...emloft.net,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	khilman@...libre.com,
	jbrunet@...libre.com,
	martin.blumenstingl@...glemail.com
Cc: linux-crypto@...r.kernel.org,
	linux-amlogic@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Alexey Romanov <romanov.alexey2000@...il.com>
Subject: [PATCH v12 03/22] crypto: amlogic - Remove clock input

Amlogic crypto IP, which uses DMA crypto engine,
doesn't take a clock input.

Fixes: 48fe583fe541 ("crypto: amlogic - Add crypto accelerator for amlogic GXL")
Signed-off-by: Alexey Romanov <romanov.alexey2000@...il.com>
---
 drivers/crypto/amlogic/amlogic-gxl-core.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c
index d7e455f73c04..90b539401b71 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-core.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-core.c
@@ -9,7 +9,6 @@
 
 #include <crypto/engine.h>
 #include <crypto/internal/skcipher.h>
-#include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/err.h>
 #include <linux/interrupt.h>
@@ -267,19 +266,6 @@ static int meson_crypto_probe(struct platform_device *pdev)
 	if (IS_ERR(mc->base))
 		return PTR_ERR(mc->base);
 
-	mc->busclk = devm_clk_get(&pdev->dev, "blkmv");
-	if (IS_ERR(mc->busclk)) {
-		err = PTR_ERR(mc->busclk);
-		dev_err(&pdev->dev, "Cannot get core clock err=%d\n", err);
-		return err;
-	}
-
-	err = clk_prepare_enable(mc->busclk);
-	if (err != 0) {
-		dev_err(&pdev->dev, "Cannot prepare_enable busclk\n");
-		return err;
-	}
-
 	err = meson_allocate_chanlist(mc);
 	if (err)
 		goto error_flow;
@@ -304,7 +290,6 @@ static int meson_crypto_probe(struct platform_device *pdev)
 	meson_unregister_algs(mc);
 error_flow:
 	meson_free_chanlist(mc, mc->flow_cnt - 1);
-	clk_disable_unprepare(mc->busclk);
 	return err;
 }
 
@@ -319,8 +304,6 @@ static void meson_crypto_remove(struct platform_device *pdev)
 	meson_unregister_algs(mc);
 
 	meson_free_chanlist(mc, mc->flow_cnt - 1);
-
-	clk_disable_unprepare(mc->busclk);
 }
 
 static const struct meson_pdata meson_gxl_pdata = {
-- 
2.34.1