diff options
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.patch | 51 |
1 files changed, 0 insertions, 51 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 deleted file mode 100644 index d87256757f..0000000000 --- a/target/linux/layerscape/patches-5.4/809-jailhouse-0005-ivshmem-net-Enable-INTx.patch +++ /dev/null @@ -1,51 +0,0 @@ -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); - } - |