Messages in this thread | | | Date | Thu, 6 Jun 2019 01:50:59 +0300 | From | Aaro Koskinen <> | Subject | [BISECTED REGRESSION] b43legacy broken on G4 PowerBook |
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Hi,
When upgrading from v5.0 -> v5.1 on G4 PowerBook, I noticed WLAN does not work anymore:
[ 42.004303] b43legacy-phy0: Loading firmware version 0x127, patch level 14 (2005-04-18 02:36:27) [ 42.184837] b43legacy-phy0 debug: Chip initialized [ 42.184873] b43legacy-phy0 ERROR: The machine/kernel does not support the required 30-bit DMA mask
The same happens with the current mainline.
Bisected to:
commit 65a21b71f948406201e4f62e41f06513350ca390 Author: Christoph Hellwig <hch@lst.de> Date: Wed Feb 13 08:01:26 2019 +0100
powerpc/dma: remove dma_nommu_dma_supported
This function is largely identical to the generic version used everywhere else. Replace it with the generic version.
Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
A.
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