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One patch that wasn't ported due to a lot of conflict is:
901-Revert-bcma-switch-GPIO-portions-to-use-GPIOLIB_IRQC.patch
Hopefully a correct/real fix will get developed before we switch
brcm47xx to the 4.14.
This IS NOT ready for switching/trying/using 4.19 yet due to some DMA
regression affecting bgmac:
[ 0.945472] bgmac_bcma bcma0:2: Found PHY addr: 25
[ 0.954565] libphy: bcma_mdio mii bus: probed
[ 0.959486] ------------[ cut here ]------------
[ 0.964387] WARNING: CPU: 0 PID: 1 at ./include/linux/dma-mapping.h:516 bgmac_enet_probe+0x1b4/0x5c4
[ 0.973751] Modules linked in:
[ 0.976913] CPU: 0 PID: 1 Comm: swapper Not tainted 4.19.9 #0
[ 0.982750] Stack : 804a0000 804597c4 00000000 00000000 80458fd8 8381bc2c 838282d4 80481a47
[ 0.991367] 8042e3ec 00000001 804d38f0 00000204 83980000 00000065 8381bbe0 6f55b24f
[ 0.999975] 00000000 00000000 80520000 00002018 00000000 00000075 00000007 00000000
[ 1.008583] 00000000 80480000 000ee811 00000000 00000000 00000000 80432c00 80248db8
[ 1.017196] 00000009 00000204 83980000 803ad7b0 00000000 801feeec 00000000 804d0000
[ 1.025804] ...
[ 1.028325] Call Trace:
[ 1.030875] [<8000aef8>] show_stack+0x58/0x100
[ 1.035513] [<8001f8b4>] __warn+0xe4/0x118
[ 1.039708] [<8001f9a4>] warn_slowpath_null+0x48/0x64
[ 1.044935] [<80248db8>] bgmac_enet_probe+0x1b4/0x5c4
[ 1.050101] [<802498e0>] bgmac_probe+0x558/0x590
[ 1.054906] [<80252fd0>] bcma_device_probe+0x38/0x70
[ 1.060017] [<8020e1e8>] really_probe+0x170/0x2e8
[ 1.064891] [<8020e714>] __driver_attach+0xa4/0xec
[ 1.069784] [<8020c1e0>] bus_for_each_dev+0x58/0xb0
[ 1.074833] [<8020d590>] bus_add_driver+0xf8/0x218
[ 1.079731] [<8020ef24>] driver_register+0xcc/0x11c
[ 1.084804] [<804b54cc>] bgmac_init+0x1c/0x44
[ 1.089258] [<8000121c>] do_one_initcall+0x7c/0x1a0
[ 1.094343] [<804a1d34>] kernel_init_freeable+0x150/0x218
[ 1.099886] [<803a082c>] kernel_init+0x10/0x104
[ 1.104583] [<80005878>] ret_from_kernel_thread+0x14/0x1c
[ 1.110107] ---[ end trace f441c0d873d1fb5b ]---
[ 1.114914] bgmac_bcma bcma0:2: Allocation of TX ring 0x200 failed
[ 1.121215] bgmac_bcma bcma0:2: Unable to alloc memory for DMA
[ 1.127626] bgmac_bcma: probe of bcma0:2 failed with error -12
[ 1.133838] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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