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27 lines
956 B
Diff
27 lines
956 B
Diff
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From 74de99b0e1df634949c45df1c370d458e6a3c98a Mon Sep 17 00:00:00 2001
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From: Jan Kiszka <jan.kiszka@siemens.com>
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Date: Sun, 1 Jan 2017 15:54:55 +0100
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Subject: [PATCH] ivshmem-net: Fix stuck state machine during setup
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If the remote side is already in INIT state (or even higher) and has a
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cached rstate of RESET, we won't make progress when signaling RESET
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again because the remote side won't send a state update. Fix this by
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enforcing a local check after probe completion.
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Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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(cherry picked from commit fceed9d0ab2486589c57c0793fbfbca4832442b9)
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---
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drivers/net/ivshmem-net.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/net/ivshmem-net.c
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+++ b/drivers/net/ivshmem-net.c
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@@ -911,6 +911,7 @@ static int ivshm_net_probe(struct pci_de
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writel(IVSHMEM_INTX_ENABLE, &in->ivshm_regs->intxctrl);
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writel(IVSHM_NET_STATE_RESET, &in->ivshm_regs->lstate);
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+ ivshm_net_check_state(ndev);
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return 0;
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