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authorYangbo Lu <yangbo.lu@nxp.com>2020-04-10 10:47:05 +0800
committerPetr Štetiar <ynezz@true.cz>2020-05-07 12:53:06 +0200
commitcddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch)
tree392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/809-jailhouse-0005-ivshmem-net-Enable-INTx.patch
parentd1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff)
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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>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/809-jailhouse-0005-ivshmem-net-Enable-INTx.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/809-jailhouse-0005-ivshmem-net-Enable-INTx.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/809-jailhouse-0005-ivshmem-net-Enable-INTx.patch b/target/linux/layerscape/patches-5.4/809-jailhouse-0005-ivshmem-net-Enable-INTx.patch
new file mode 100644
index 0000000000..d87256757f
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/809-jailhouse-0005-ivshmem-net-Enable-INTx.patch
@@ -0,0 +1,51 @@
+From 3734c2c9ac0fd763deceb686efc93b293acca4c6 Mon Sep 17 00:00:00 2001
+From: Jan Kiszka <jan.kiszka@siemens.com>
+Date: Sun, 27 Nov 2016 15:15:51 +0100
+Subject: [PATCH] ivshmem-net: Enable INTx
+
+Activate INTx notification when it has to be used instead of MSI-X,
+disable it after use.
+
+Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
+(cherry picked from commit 8790717bdca6ea58f18baac1749ac347b23b7263)
+---
+ drivers/net/ivshmem-net.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ivshmem-net.c
++++ b/drivers/net/ivshmem-net.c
+@@ -31,6 +31,8 @@
+ #define JAILHOUSE_CFG_SHMEM_PTR 0x40
+ #define JAILHOUSE_CFG_SHMEM_SZ 0x48
+
++#define IVSHMEM_INTX_ENABLE 0x1
++
+ #define IVSHM_NET_STATE_RESET 0
+ #define IVSHM_NET_STATE_INIT 1
+ #define IVSHM_NET_STATE_READY 2
+@@ -47,7 +49,7 @@
+ #define IVSHM_NET_VQ_ALIGN 64
+
+ struct ivshmem_regs {
+- u32 imask;
++ u32 intxctrl;
+ u32 istat;
+ u32 ivpos;
+ u32 doorbell;
+@@ -869,6 +871,8 @@ static int ivshm_net_probe(struct pci_de
+ goto err_int;
+
+ pci_set_master(pdev);
++ if (!in->using_msix)
++ writel(IVSHMEM_INTX_ENABLE, &in->ivshm_regs->intxctrl);
+
+ writel(IVSHM_NET_STATE_RESET, &in->ivshm_regs->lstate);
+
+@@ -895,6 +899,7 @@ static void ivshm_net_remove(struct pci_
+ free_irq(in->msix.vector, ndev);
+ pci_disable_msix(pdev);
+ } else {
++ writel(0, &in->ivshm_regs->intxctrl);
+ free_irq(pdev->irq, ndev);
+ }
+