kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 179 deletions

diff --git a/target/linux/layerscape/patches-5.4/804-crypto-0006-crypto-caam-use-devres-to-de-initialize-the-RNG.patch b/target/linux/layerscape/patches-5.4/804-crypto-0006-crypto-caam-use-devres-to-de-initialize-the-RNG.patch
deleted file mode 100644
index 6e3cd24ac0..0000000000
--- a/target/linux/layerscape/patches-5.4/804-crypto-0006-crypto-caam-use-devres-to-de-initialize-the-RNG.patch
+++ /dev/null
@@ -1,179 +0,0 @@
-From 4719469bf1e6d5bac8bb0426be4dd6a124471b69 Mon Sep 17 00:00:00 2001
-From: Andrey Smirnov <andrew.smirnov@gmail.com>
-Date: Tue, 22 Oct 2019 08:30:10 -0700
-Subject: [PATCH] crypto: caam - use devres to de-initialize the RNG
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Use devres to de-initialize the RNG and drop explicit de-initialization
-code in caam_remove().
-
-Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
-Cc: Chris Healy <cphealy@gmail.com>
-Cc: Lucas Stach <l.stach@pengutronix.de>
-Cc: Horia Geantă <horia.geanta@nxp.com>
-Cc: Herbert Xu <herbert@gondor.apana.org.au>
-Cc: Iuliana Prodan <iuliana.prodan@nxp.com>
-Cc: linux-crypto@vger.kernel.org
-Cc: linux-kernel@vger.kernel.org
-Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
-Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-(cherry picked from commit e57acaf0dfe0c8f63411d43cf7c689e43f6810c0)
----
- drivers/crypto/caam/ctrl.c | 130 ++++++++++++++++++++++++---------------------
- 1 file changed, 70 insertions(+), 60 deletions(-)
-
---- a/drivers/crypto/caam/ctrl.c
-+++ b/drivers/crypto/caam/ctrl.c
-@@ -176,6 +176,73 @@ static inline int run_descriptor_deco0(s
- }
- 
- /*
-+ * deinstantiate_rng - builds and executes a descriptor on DECO0,
-+ *		       which deinitializes the RNG block.
-+ * @ctrldev - pointer to device
-+ * @state_handle_mask - bitmask containing the instantiation status
-+ *			for the RNG4 state handles which exist in
-+ *			the RNG4 block: 1 if it's been instantiated
-+ *
-+ * Return: - 0 if no error occurred
-+ *	   - -ENOMEM if there isn't enough memory to allocate the descriptor
-+ *	   - -ENODEV if DECO0 couldn't be acquired
-+ *	   - -EAGAIN if an error occurred when executing the descriptor
-+ */
-+static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask)
-+{
-+	u32 *desc, status;
-+	int sh_idx, ret = 0;
-+
-+	desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL);
-+	if (!desc)
-+		return -ENOMEM;
-+
-+	for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) {
-+		/*
-+		 * If the corresponding bit is set, then it means the state
-+		 * handle was initialized by us, and thus it needs to be
-+		 * deinitialized as well
-+		 */
-+		if ((1 << sh_idx) & state_handle_mask) {
-+			/*
-+			 * Create the descriptor for deinstantating this state
-+			 * handle
-+			 */
-+			build_deinstantiation_desc(desc, sh_idx);
-+
-+			/* Try to run it through DECO0 */
-+			ret = run_descriptor_deco0(ctrldev, desc, &status);
-+
-+			if (ret ||
-+			    (status && status != JRSTA_SSRC_JUMP_HALT_CC)) {
-+				dev_err(ctrldev,
-+					"Failed to deinstantiate RNG4 SH%d\n",
-+					sh_idx);
-+				break;
-+			}
-+			dev_info(ctrldev, "Deinstantiated RNG4 SH%d\n", sh_idx);
-+		}
-+	}
-+
-+	kfree(desc);
-+
-+	return ret;
-+}
-+
-+static void devm_deinstantiate_rng(void *data)
-+{
-+	struct device *ctrldev = data;
-+	struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev);
-+
-+	/*
-+	 * De-initialize RNG state handles initialized by this driver.
-+	 * In case of SoCs with Management Complex, RNG is managed by MC f/w.
-+	 */
-+	if (ctrlpriv->rng4_sh_init)
-+		deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init);
-+}
-+
-+/*
-  * instantiate_rng - builds and executes a descriptor on DECO0,
-  *		     which initializes the RNG block.
-  * @ctrldev - pointer to device
-@@ -247,59 +314,9 @@ static int instantiate_rng(struct device
- 
- 	kfree(desc);
- 
--	return ret;
--}
--
--/*
-- * deinstantiate_rng - builds and executes a descriptor on DECO0,
-- *		       which deinitializes the RNG block.
-- * @ctrldev - pointer to device
-- * @state_handle_mask - bitmask containing the instantiation status
-- *			for the RNG4 state handles which exist in
-- *			the RNG4 block: 1 if it's been instantiated
-- *
-- * Return: - 0 if no error occurred
-- *	   - -ENOMEM if there isn't enough memory to allocate the descriptor
-- *	   - -ENODEV if DECO0 couldn't be acquired
-- *	   - -EAGAIN if an error occurred when executing the descriptor
-- */
--static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask)
--{
--	u32 *desc, status;
--	int sh_idx, ret = 0;
--
--	desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL);
--	if (!desc)
--		return -ENOMEM;
--
--	for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) {
--		/*
--		 * If the corresponding bit is set, then it means the state
--		 * handle was initialized by us, and thus it needs to be
--		 * deinitialized as well
--		 */
--		if ((1 << sh_idx) & state_handle_mask) {
--			/*
--			 * Create the descriptor for deinstantating this state
--			 * handle
--			 */
--			build_deinstantiation_desc(desc, sh_idx);
--
--			/* Try to run it through DECO0 */
--			ret = run_descriptor_deco0(ctrldev, desc, &status);
--
--			if (ret ||
--			    (status && status != JRSTA_SSRC_JUMP_HALT_CC)) {
--				dev_err(ctrldev,
--					"Failed to deinstantiate RNG4 SH%d\n",
--					sh_idx);
--				break;
--			}
--			dev_info(ctrldev, "Deinstantiated RNG4 SH%d\n", sh_idx);
--		}
--	}
--
--	kfree(desc);
-+	if (!ret)
-+		ret = devm_add_action_or_reset(ctrldev, devm_deinstantiate_rng,
-+					       ctrldev);
- 
- 	return ret;
- }
-@@ -320,13 +337,6 @@ static int caam_remove(struct platform_d
- 		caam_qi_shutdown(ctrldev);
- #endif
- 
--	/*
--	 * De-initialize RNG state handles initialized by this driver.
--	 * In case of SoCs with Management Complex, RNG is managed by MC f/w.
--	 */
--	if (!ctrlpriv->mc_en && ctrlpriv->rng4_sh_init)
--		deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init);
--
- 	return 0;
- }
-