078-bgmac-reset-enable-Ethernet-core-before-using-it.patch 1.1 KB

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  1. From b4dfd8e92956b396d3438212bc9a0be6267b8b34 Mon Sep 17 00:00:00 2001
  2. From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
  3. Date: Tue, 12 Apr 2016 13:30:45 +0200
  4. Subject: [PATCH] bgmac: reset & enable Ethernet core before using it
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  8. This fixes Ethernet on D-Link DIR-885L with BCM47094 SoC. Felix reported
  9. similar fix was needed for his BCM4709 device (Buffalo WXR-1900DHP?).
  10. I tested this for regressions on BCM4706, BCM4708A0 and BCM47081A0.
  11. Cc: Felix Fietkau <nbd@nbd.name>
  12. Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  13. Signed-off-by: David S. Miller <davem@davemloft.net>
  14. ---
  15. --- a/drivers/net/ethernet/broadcom/bgmac.c
  16. +++ b/drivers/net/ethernet/broadcom/bgmac.c
  17. @@ -1569,6 +1569,11 @@ static int bgmac_probe(struct bcma_devic
  18. */
  19. bcma_core_enable(core, 0);
  20. + /* This (reset &) enable is not preset in specs or reference driver but
  21. + * Broadcom does it in arch PCI code when enabling fake PCI device.
  22. + */
  23. + bcma_core_enable(core, 0);
  24. +
  25. /* Allocation and references */
  26. net_dev = alloc_etherdev(sizeof(*bgmac));
  27. if (!net_dev)