From: Tiezhu Yang <yangtiezhu@loongson.cn> To: Huacai Chen <chenhuacai@gmail.com>, Takashi Iwai <tiwai@suse.de> Cc: alsa-devel@alsa-project.org, LKML <linux-kernel@vger.kernel.org>, stable <stable@vger.kernel.org>, Takashi Iwai <tiwai@suse.com>, Xuefeng Li <lixuefeng@loongson.cn> Subject: Re: [PATCH v2] Revert "ALSA: hda: Add support for Loongson 7A1000 controller" Date: Tue, 8 Sep 2020 11:09:31 +0800 [thread overview] Message-ID: <bf50515b-a018-a66d-188a-4901428e66a6@loongson.cn> (raw) In-Reply-To: <CAAhV-H5V5adhY2OjJLxW7x3zDaHGgBxxy45hjf22+qMSEBQuww@mail.gmail.com> On 09/08/2020 08:37 AM, Huacai Chen wrote: > Hi, all > > This patch should be backported to 5.4. Hi, Commit 61eee4a7fc40 ("ALSA: hda: Add support for Loongson 7A1000 controller") has been not yet merged into 5.4, so no need to backport. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/pci/hda/hda_intel.c?h=v5.4 Thanks, Tiezhu > > Huacai > > On Tue, Aug 25, 2020 at 6:03 PM Takashi Iwai <tiwai@suse.de> wrote: >> On Tue, 25 Aug 2020 11:39:48 +0200, >> Tiezhu Yang wrote: >>> This reverts commit 61eee4a7fc40 ("ALSA: hda: Add support for Loongson >>> 7A1000 controller") to fix the following error on the Loongson LS7A >>> platform: >>> >>> rcu: INFO: rcu_preempt self-detected stall on CPU >>> <SNIP> >>> NMI backtrace for cpu 0 >>> CPU: 0 PID: 68 Comm: kworker/0:2 Not tainted 5.8.0+ #3 >>> Hardware name: , BIOS >>> Workqueue: events azx_probe_work [snd_hda_intel] >>> <SNIP> >>> Call Trace: >>> [<ffffffff80211a64>] show_stack+0x9c/0x130 >>> [<ffffffff8065a740>] dump_stack+0xb0/0xf0 >>> [<ffffffff80665774>] nmi_cpu_backtrace+0x134/0x140 >>> [<ffffffff80665910>] nmi_trigger_cpumask_backtrace+0x190/0x200 >>> [<ffffffff802b1abc>] rcu_dump_cpu_stacks+0x12c/0x190 >>> [<ffffffff802b08cc>] rcu_sched_clock_irq+0xa2c/0xfc8 >>> [<ffffffff802b91d4>] update_process_times+0x2c/0xb8 >>> [<ffffffff802cad80>] tick_sched_timer+0x40/0xb8 >>> [<ffffffff802ba5f0>] __hrtimer_run_queues+0x118/0x1d0 >>> [<ffffffff802bab74>] hrtimer_interrupt+0x12c/0x2d8 >>> [<ffffffff8021547c>] c0_compare_interrupt+0x74/0xa0 >>> [<ffffffff80296bd0>] __handle_irq_event_percpu+0xa8/0x198 >>> [<ffffffff80296cf0>] handle_irq_event_percpu+0x30/0x90 >>> [<ffffffff8029d958>] handle_percpu_irq+0x88/0xb8 >>> [<ffffffff80296124>] generic_handle_irq+0x44/0x60 >>> [<ffffffff80b3cfd0>] do_IRQ+0x18/0x28 >>> [<ffffffff8067ace4>] plat_irq_dispatch+0x64/0x100 >>> [<ffffffff80209a20>] handle_int+0x140/0x14c >>> [<ffffffff802402e8>] irq_exit+0xf8/0x100 >>> >>> Because AZX_DRIVER_GENERIC can not work well for Loongson LS7A HDA >>> controller, it needs some workarounds which are not merged into the >>> upstream kernel at this time, so it should revert this patch now. >>> >>> Fixes: 61eee4a7fc40 ("ALSA: hda: Add support for Loongson 7A1000 controller") >>> Cc: <stable@vger.kernel.org> # 5.9-rc1+ >>> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> >>> --- >>> >>> v2: update commit message >> Applied now. Thanks. >> >> >> Takashi
WARNING: multiple messages have this Message-ID (diff)
From: Tiezhu Yang <yangtiezhu@loongson.cn> To: Huacai Chen <chenhuacai@gmail.com>, Takashi Iwai <tiwai@suse.de> Cc: alsa-devel@alsa-project.org, Xuefeng Li <lixuefeng@loongson.cn>, LKML <linux-kernel@vger.kernel.org>, stable <stable@vger.kernel.org>, Takashi Iwai <tiwai@suse.com> Subject: Re: [PATCH v2] Revert "ALSA: hda: Add support for Loongson 7A1000 controller" Date: Tue, 8 Sep 2020 11:09:31 +0800 [thread overview] Message-ID: <bf50515b-a018-a66d-188a-4901428e66a6@loongson.cn> (raw) In-Reply-To: <CAAhV-H5V5adhY2OjJLxW7x3zDaHGgBxxy45hjf22+qMSEBQuww@mail.gmail.com> On 09/08/2020 08:37 AM, Huacai Chen wrote: > Hi, all > > This patch should be backported to 5.4. Hi, Commit 61eee4a7fc40 ("ALSA: hda: Add support for Loongson 7A1000 controller") has been not yet merged into 5.4, so no need to backport. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/pci/hda/hda_intel.c?h=v5.4 Thanks, Tiezhu > > Huacai > > On Tue, Aug 25, 2020 at 6:03 PM Takashi Iwai <tiwai@suse.de> wrote: >> On Tue, 25 Aug 2020 11:39:48 +0200, >> Tiezhu Yang wrote: >>> This reverts commit 61eee4a7fc40 ("ALSA: hda: Add support for Loongson >>> 7A1000 controller") to fix the following error on the Loongson LS7A >>> platform: >>> >>> rcu: INFO: rcu_preempt self-detected stall on CPU >>> <SNIP> >>> NMI backtrace for cpu 0 >>> CPU: 0 PID: 68 Comm: kworker/0:2 Not tainted 5.8.0+ #3 >>> Hardware name: , BIOS >>> Workqueue: events azx_probe_work [snd_hda_intel] >>> <SNIP> >>> Call Trace: >>> [<ffffffff80211a64>] show_stack+0x9c/0x130 >>> [<ffffffff8065a740>] dump_stack+0xb0/0xf0 >>> [<ffffffff80665774>] nmi_cpu_backtrace+0x134/0x140 >>> [<ffffffff80665910>] nmi_trigger_cpumask_backtrace+0x190/0x200 >>> [<ffffffff802b1abc>] rcu_dump_cpu_stacks+0x12c/0x190 >>> [<ffffffff802b08cc>] rcu_sched_clock_irq+0xa2c/0xfc8 >>> [<ffffffff802b91d4>] update_process_times+0x2c/0xb8 >>> [<ffffffff802cad80>] tick_sched_timer+0x40/0xb8 >>> [<ffffffff802ba5f0>] __hrtimer_run_queues+0x118/0x1d0 >>> [<ffffffff802bab74>] hrtimer_interrupt+0x12c/0x2d8 >>> [<ffffffff8021547c>] c0_compare_interrupt+0x74/0xa0 >>> [<ffffffff80296bd0>] __handle_irq_event_percpu+0xa8/0x198 >>> [<ffffffff80296cf0>] handle_irq_event_percpu+0x30/0x90 >>> [<ffffffff8029d958>] handle_percpu_irq+0x88/0xb8 >>> [<ffffffff80296124>] generic_handle_irq+0x44/0x60 >>> [<ffffffff80b3cfd0>] do_IRQ+0x18/0x28 >>> [<ffffffff8067ace4>] plat_irq_dispatch+0x64/0x100 >>> [<ffffffff80209a20>] handle_int+0x140/0x14c >>> [<ffffffff802402e8>] irq_exit+0xf8/0x100 >>> >>> Because AZX_DRIVER_GENERIC can not work well for Loongson LS7A HDA >>> controller, it needs some workarounds which are not merged into the >>> upstream kernel at this time, so it should revert this patch now. >>> >>> Fixes: 61eee4a7fc40 ("ALSA: hda: Add support for Loongson 7A1000 controller") >>> Cc: <stable@vger.kernel.org> # 5.9-rc1+ >>> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> >>> --- >>> >>> v2: update commit message >> Applied now. Thanks. >> >> >> Takashi
next prev parent reply other threads:[~2020-09-08 3:09 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-25 9:39 [PATCH v2] Revert "ALSA: hda: Add support for Loongson 7A1000 controller" Tiezhu Yang 2020-08-25 9:39 ` Tiezhu Yang 2020-08-25 10:02 ` Takashi Iwai 2020-08-25 10:02 ` Takashi Iwai 2020-09-08 0:37 ` Huacai Chen 2020-09-08 0:37 ` Huacai Chen 2020-09-08 3:09 ` Tiezhu Yang [this message] 2020-09-08 3:09 ` Tiezhu Yang 2020-09-08 11:55 ` Greg KH 2020-09-08 11:55 ` Greg KH
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