Hi Loic,
Commit 765ea3abd116 ("Bluetooth: hci_intel: Retrieve host-wake IRQ")
seems to create a little regression:
[ 2.734749] hci_intel INT33E1:00: No corresponding irq for gpio
[ 2.736426] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 2.738631] IP: [<ffffffff8132bee1>] desc_to_gpio+0x1/0x20
[ 2.740175] PGD 0
[ 2.740742] Oops: 0000 [#1] SMP
[ 2.741652] Modules linked in:
[ 2.742512] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G I 4.6.0-rc5+ #152
[ 2.744663] task: ffff88017ab28000 ti: ffff88017ab14000 task.ti: ffff88017ab14000
[ 2.746764] RIP: 0010:[<ffffffff8132bee1>] [<ffffffff8132bee1>] desc_to_gpio+0x1/0x20
[ 2.748990] RSP: 0000:ffff88017ab17d20 EFLAGS: 00010202
[ 2.750482] RAX: ffffffff81cb9710 RBX: ffff88007ad85c28 RCX: ffff88017a5032c0
[ 2.752486] RDX: 0000000000000000 RSI: ffff88017ab28000 RDI: 0000000000000000
[ 2.754490] RBP: ffff88017ab17d48 R08: ffff88017ab14000 R09: 0000000000000000
[ 2.756494] R10: 0000000000001c00 R11: 0000000000000000 R12: ffff88017a17a010
[ 2.758498] R13: 00000000ffffffea R14: 0000000000000000 R15: ffffffff81c4e220
[ 2.760502] FS: 0000000000000000(0000) GS:ffff88017fd80000(0000) knlGS:0000000000000000
[ 2.762772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.764386] CR2: 0000000000000000 CR3: 0000000001c06000 CR4: 00000000003406e0
[ 2.766390] Stack:
[ 2.766954] ffff88017ab17d48 ffffffff8152efdb ffff88017a17a010 ffffffff81cb9648
[ 2.769037] ffffffff81cb9648 ffff88017ab17d70 ffffffff813e8606 ffff88017a17a010
[ 2.771122] ffff88017a17a010 0000000000000000 ffff88017ab17da0 ffffffff813e69dd
[ 2.773206] Call Trace:
[ 2.773893] [<ffffffff8152efdb>] ? intel_probe+0xdb/0x180
[ 2.775434] [<ffffffff813e8606>] platform_drv_probe+0x36/0x90
[ 2.777073] [<ffffffff813e69dd>] driver_probe_device+0x1fd/0x2c0
[ 2.778784] [<ffffffff813e6b36>] __driver_attach+0x96/0xa0
[ 2.780349] [<ffffffff813e6aa0>] ? driver_probe_device+0x2c0/0x2c0
[ 2.782109] [<ffffffff813e4a1f>] bus_for_each_dev+0x5f/0x90
[ 2.783698] [<ffffffff813e61c9>] driver_attach+0x19/0x20
[ 2.785214] [<ffffffff813e5dec>] bus_add_driver+0x1ac/0x220
[ 2.786804] [<ffffffff81d4a4f3>] ? dm_zero_init+0x2a/0x2a
[ 2.788344] [<ffffffff813e734b>] driver_register+0x5b/0xd0
[ 2.789909] [<ffffffff813e8581>] __platform_driver_register+0x31/0x40
[ 2.791741] [<ffffffff81d4a641>] intel_init+0x12/0x20
[ 2.793185] [<ffffffff81d4a5cb>] hci_uart_init+0xd8/0xe2
[ 2.794701] [<ffffffff810003b1>] do_one_initcall+0x81/0x1a0
[ 2.796291] [<ffffffff81d05030>] kernel_init_freeable+0x14a/0x1d0
[ 2.798027] [<ffffffff816873a9>] kernel_init+0x9/0x100
[ 2.799495] [<ffffffff8168ced2>] ret_from_fork+0x22/0x40
[ 2.801011] [<ffffffff816873a0>] ? rest_init+0x80/0x80
I think it's usually ill-advised to convert the gpio descriptors to
numbers unless there is a real need for it. Maybe you can just fix the
dev_info() back to way it was.
thanks,
--
heikki
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