layerscape: add patches-5.4

Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/804-crypto-0005-crypto-caam-use-devres-to-remove-debugfs.patch b/target/linux/layerscape/patches-5.4/804-crypto-0005-crypto-caam-use-devres-to-remove-debugfs.patch
new file mode 100644
index 0000000000..ff15d95d08
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/804-crypto-0005-crypto-caam-use-devres-to-remove-debugfs.patch
@@ -0,0 +1,88 @@
+From 93fbe7c21a64d22ac057fc9e8eed5967f5d0bd88 Mon Sep 17 00:00:00 2001
+From: Andrey Smirnov <andrew.smirnov@gmail.com>
+Date: Tue, 22 Oct 2019 08:30:09 -0700
+Subject: [PATCH] crypto: caam - use devres to remove debugfs
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Use devres to remove debugfs and drop corresponding
+debugfs_remove_recursive() call.
+
+Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
+Reviewed-by: Horia Geantă <horia.geanta@nxp.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
+Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
+(cherry picked from commit eceb5daf9ebaa564a65eb2d9d5a4682a33747300)
+---
+ drivers/crypto/caam/ctrl.c   | 21 ++++++++++++++-------
+ drivers/crypto/caam/intern.h |  1 -
+ 2 files changed, 14 insertions(+), 8 deletions(-)
+
+--- a/drivers/crypto/caam/ctrl.c
++++ b/drivers/crypto/caam/ctrl.c
+@@ -327,11 +327,6 @@ static int caam_remove(struct platform_d
+ 	if (!ctrlpriv->mc_en && ctrlpriv->rng4_sh_init)
+ 		deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init);
+ 
+-	/* Shut down debug views */
+-#ifdef CONFIG_DEBUG_FS
+-	debugfs_remove_recursive(ctrlpriv->dfs_root);
+-#endif
+-
+ 	return 0;
+ }
+ 
+@@ -563,6 +558,13 @@ static int init_clocks(struct device *de
+ 	return devm_add_action_or_reset(dev, disable_clocks, ctrlpriv);
+ }
+ 
++#ifdef CONFIG_DEBUG_FS
++static void caam_remove_debugfs(void *root)
++{
++	debugfs_remove_recursive(root);
++}
++#endif
++
+ /* Probe routine for CAAM top (controller) level */
+ static int caam_probe(struct platform_device *pdev)
+ {
+@@ -575,6 +577,7 @@ static int caam_probe(struct platform_de
+ 	struct caam_drv_private *ctrlpriv;
+ #ifdef CONFIG_DEBUG_FS
+ 	struct caam_perfmon *perfmon;
++	struct dentry *dfs_root;
+ #endif
+ 	u32 scfgr, comp_params;
+ 	u8 rng_vid;
+@@ -726,8 +729,12 @@ static int caam_probe(struct platform_de
+ 	 */
+ 	perfmon = (struct caam_perfmon __force *)&ctrl->perfmon;
+ 
+-	ctrlpriv->dfs_root = debugfs_create_dir(dev_name(dev), NULL);
+-	ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root);
++	dfs_root = debugfs_create_dir(dev_name(dev), NULL);
++	ret = devm_add_action_or_reset(dev, caam_remove_debugfs, dfs_root);
++	if (ret)
++		return ret;
++
++	ctrlpriv->ctl = debugfs_create_dir("ctl", dfs_root);
+ #endif
+ 
+ 	/* Check to see if (DPAA 1.x) QI present. If so, enable */
+--- a/drivers/crypto/caam/intern.h
++++ b/drivers/crypto/caam/intern.h
+@@ -102,7 +102,6 @@ struct caam_drv_private {
+ 	 * variables at runtime.
+ 	 */
+ #ifdef CONFIG_DEBUG_FS
+-	struct dentry *dfs_root;
+ 	struct dentry *ctl; /* controller dir */
+ 	struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap;
+ #endif