6d2136c3f2
Without this patch we treated only phy addr 30 as an external phy, but there is a register to check that. Now we do not have to try to reset the switch to check for an external switch. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 38502
28 lines
1 KiB
Diff
28 lines
1 KiB
Diff
From f6a8d917c3efcfb974097ef4b345e8cda5283bab Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sun, 6 Oct 2013 17:58:24 +0200
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Subject: [PATCH 7/9] b44: activate PHY when MAC is off
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Without this patch we can not access the PHY when the MAC is switched
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off. This PHY access is needed to configure the switch, which is done
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through PHY registers.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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drivers/net/ethernet/broadcom/b44.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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--- a/drivers/net/ethernet/broadcom/b44.c
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+++ b/drivers/net/ethernet/broadcom/b44.c
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@@ -1358,7 +1358,10 @@ static void b44_halt(struct b44 *bp)
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bw32(bp, B44_MAC_CTRL, MAC_CTRL_PHY_PDOWN);
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/* now reset the chip, but without enabling the MAC&PHY
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* part of it. This has to be done _after_ we shut down the PHY */
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- b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
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+ if (bp->flags & B44_FLAG_EXTERNAL_PHY)
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+ b44_chip_reset(bp, B44_CHIP_RESET_FULL);
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+ else
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+ b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
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}
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/* bp->lock is held. */
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