Attachment 186754 Details for Bug 222634 – ffec: Avoid AXI bus issues due to a MAC reset

[patch] ffec: Avoid AXI bus issues due to a MAC reset

0003-ffec-Avoid-AXI-bus-issues-due-to-a-MAC-reset.patch (text/plain), 979 bytes, created by sebastian.huber on 2017-09-27 08:49:06 UTC

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Creator: sebastian.huber

Created: 2017-09-27 08:49:06 UTC

Size: 979 bytes

patch

obsolete

>From 87ca8a05e051357b6e9e83677bad3bc3b1d22240 Mon Sep 17 00:00:00 2001
>From: Sebastian Huber <sebastian.huber@embedded-brains.de>
>Date: Wed, 27 Sep 2017 09:42:10 +0200
>Subject: [PATCH 3/4] ffec: Avoid AXI bus issues due to a MAC reset
>
>---
> sys/dev/ffec/if_ffec.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
>diff --git a/sys/dev/ffec/if_ffec.c b/sys/dev/ffec/if_ffec.c
>index da008566627..0bc88357a02 100644
>--- a/sys/dev/ffec/if_ffec.c
>+++ b/sys/dev/ffec/if_ffec.c
>@@ -1640,7 +1640,14 @@ ffec_attach(device_t dev)
> 	ffec_get_hwaddr(sc, eaddr);
> 
> 	/* Reset the hardware.  Disables all interrupts. */
>-	WR4(sc, FEC_ECR_REG, FEC_ECR_RESET);
>+	if (sc->fectype & FECFLAG_AVB)
>+		/*
>+		 * Avoid AXI bus issues due to a MAC reset, see Linux for more
>+		 * details.
>+		 */
>+		WR4(sc, FEC_ECR_REG, 0);
>+	else
>+		WR4(sc, FEC_ECR_REG, FEC_ECR_RESET);
> 
> 	/* Setup interrupt handler. */
> 	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
>-- 
>2.12.3
>

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Attachments on bug 222634: 186752 | 186753 | 186754 | 186755 | 186905 | 186906