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, 143 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/809-jailhouse-0011-ivshmem-net-Switch-to-pci_alloc_irq_vectors.patch b/target/linux/layerscape/patches-5.4/809-jailhouse-0011-ivshmem-net-Switch-to-pci_alloc_irq_vectors.patch
new file mode 100644
index 0000000000..ce37c289e7
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/809-jailhouse-0011-ivshmem-net-Switch-to-pci_alloc_irq_vectors.patch
@@ -0,0 +1,143 @@
+From 8b5d421b2bfa6800d182f74a60afa48cf305fb86 Mon Sep 17 00:00:00 2001
+From: Jan Kiszka <jan.kiszka@siemens.com>
+Date: Tue, 23 May 2017 17:41:00 +0200
+Subject: [PATCH] ivshmem-net: Switch to pci_alloc_irq_vectors
+
+Required by 4.12, and it also simplifies our code. Needs to be folded
+into the initial patch eventually.
+
+Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
+(cherry picked from commit ea6e78c89582711f15a2711f0a35ac3a61d9d074)
+---
+ drivers/net/ivshmem-net.c | 66 ++++++++++++++++++++---------------------------
+ 1 file changed, 28 insertions(+), 38 deletions(-)
+
+--- a/drivers/net/ivshmem-net.c
++++ b/drivers/net/ivshmem-net.c
+@@ -114,8 +114,6 @@ struct ivshm_net {
+ 	u32 peer_id;
+ 
+ 	struct pci_dev *pdev;
+-	struct msix_entry msix;
+-	bool using_msix;
+ };
+ 
+ static void *ivshm_net_desc_data(struct ivshm_net *in,
+@@ -793,22 +791,21 @@ static int ivshm_net_probe(struct pci_de
+ 	struct ivshmem_regs __iomem *regs;
+ 	resource_size_t shmaddr;
+ 	resource_size_t shmlen;
+-	int interrupt;
+ 	char *device_name;
+ 	void *shm;
+ 	u32 ivpos;
+-	int err;
++	int ret;
+ 
+-	err = pcim_enable_device(pdev);
+-	if (err) {
+-		dev_err(&pdev->dev, "pci_enable_device: %d\n", err);
+-		return err;
++	ret = pcim_enable_device(pdev);
++	if (ret) {
++		dev_err(&pdev->dev, "pci_enable_device: %d\n", ret);
++		return ret;
+ 	}
+ 
+-	err = pcim_iomap_regions(pdev, BIT(0), DRV_NAME);
+-	if (err) {
+-		dev_err(&pdev->dev, "pcim_iomap_regions: %d\n", err);
+-		return err;
++	ret = pcim_iomap_regions(pdev, BIT(0), DRV_NAME);
++	if (ret) {
++		dev_err(&pdev->dev, "pcim_iomap_regions: %d\n", ret);
++		return ret;
+ 	}
+ 
+ 	regs = pcim_iomap_table(pdev)[0];
+@@ -869,8 +866,8 @@ static int ivshm_net_probe(struct pci_de
+ 	spin_lock_init(&in->tx_free_lock);
+ 	spin_lock_init(&in->tx_clean_lock);
+ 
+-	err = ivshm_net_calc_qsize(ndev);
+-	if (err)
++	ret = ivshm_net_calc_qsize(ndev);
++	if (ret)
+ 		goto err_free;
+ 
+ 	in->state_wq = alloc_ordered_workqueue(device_name, 0);
+@@ -889,25 +886,21 @@ static int ivshm_net_probe(struct pci_de
+ 	netif_carrier_off(ndev);
+ 	netif_napi_add(ndev, &in->napi, ivshm_net_poll, NAPI_POLL_WEIGHT);
+ 
+-	err = register_netdev(ndev);
+-	if (err)
++	ret = register_netdev(ndev);
++	if (ret)
+ 		goto err_wq;
+ 
+-	err = pci_enable_msix(pdev, &in->msix, 1);
+-	if (!err) {
+-		interrupt = in->msix.vector;
+-		in->using_msix = true;
+-	} else {
+-		interrupt = pdev->irq;
+-		in->using_msix = false;
+-	}
+-
+-	err = request_irq(interrupt, ivshm_net_int, 0, device_name, ndev);
+-	if (err)
+-		goto err_int;
++	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY | PCI_IRQ_MSIX);
++	if (ret < 0)
++		goto err_alloc_irq;
++
++	ret = request_irq(pci_irq_vector(pdev, 0), ivshm_net_int, 0,
++			  device_name, ndev);
++	if (ret)
++		goto err_request_irq;
+ 
+ 	pci_set_master(pdev);
+-	if (!in->using_msix)
++	if (!pdev->msix_enabled)
+ 		writel(IVSHMEM_INTX_ENABLE, &in->ivshm_regs->intxctrl);
+ 
+ 	writel(IVSHM_NET_STATE_RESET, &in->ivshm_regs->lstate);
+@@ -915,16 +908,16 @@ static int ivshm_net_probe(struct pci_de
+ 
+ 	return 0;
+ 
+-err_int:
+-	if (in->using_msix)
+-		pci_disable_msix(pdev);
++err_request_irq:
++	pci_free_irq_vectors(pdev);
++err_alloc_irq:
+ 	unregister_netdev(ndev);
+ err_wq:
+ 	destroy_workqueue(in->state_wq);
+ err_free:
+ 	free_netdev(ndev);
+ 
+-	return err;
++	return ret;
+ }
+ 
+ static void ivshm_net_remove(struct pci_dev *pdev)
+@@ -934,13 +927,10 @@ static void ivshm_net_remove(struct pci_
+ 
+ 	writel(IVSHM_NET_STATE_RESET, &in->ivshm_regs->lstate);
+ 
+-	if (in->using_msix)  {
+-		free_irq(in->msix.vector, ndev);
+-		pci_disable_msix(pdev);
+-	} else {
++	if (!pdev->msix_enabled)
+ 		writel(0, &in->ivshm_regs->intxctrl);
+-		free_irq(pdev->irq, ndev);
+-	}
++	free_irq(pci_irq_vector(pdev, 0), ndev);
++	pci_free_irq_vectors(pdev);
+ 
+ 	unregister_netdev(ndev);
+ 	cancel_work_sync(&in->state_work);