From: Johan Hovold <johan@kernel.org>
To: alexander.levin@verizon.com
Cc: Johan Hovold <johan@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
Marcel Holtmann <marcel@holtmann.org>
Subject: Re: [PATCH AUTOSEL for 4.14 19/60] Bluetooth: avoid silent hci_bcm ACPI PM regression
Date: Wed, 13 Dec 2017 15:05:59 +0100 [thread overview]
Message-ID: <20171213140559.GE5185@localhost> (raw)
In-Reply-To: <20171213133716.hfdujad4so652ll2@sasha-lappy>
On Wed, Dec 13, 2017 at 01:37:26PM +0000, alexander.levin@verizon.com wrote:
> On Wed, Dec 13, 2017 at 09:14:29AM +0100, Johan Hovold wrote:
> >On Wed, Dec 13, 2017 at 01:55:14AM +0000, alexander.levin@verizon.com wrote:
> >> From: Johan Hovold <johan@kernel.org>
> >>
> >> [ Upstream commit 4294625e029028854596865be401b9c5c1f906ef ]
> >>
> >> The hci_bcm platform-device hack which was used to implement
> >> power management for ACPI devices is being replaced by a
> >> serial-device-bus implementation.
> >>
> >> Unfortunately, when the corresponding change to the ACPI code lands (a
> >> change that will stop enumerating and registering the serial-device-node
> >> child as a platform device) PM will break silently unless serdev
> >> TTY-port controller support has been enabled. Specifically, hciattach
> >> (btattach) would still succeed, but power management would no longer
> >> work.
> >
> >This one is not needed in stable, which does not have the above
> >mentioned ACPI change [ e361d1f85855 ("ACPI / scan: Fix enumeration for
> >special UART devices") ].
> >
> >The Fixes and stable-CC tags were left out on purpose.
>
> Thanks Johan, I'll remove it.
>
> The Fixes tag should probably be there, as on it's own it does not
> indicate a patch should go into stable, and we have tools to prevent
> us from applying commits that "Fixes:" something which is not in the
> tree.
But that's the point; this patch was applied before the patch which
might otherwise have ended up causing a regression. There was no commit
id to use for a Fixes tag, and it did not fix anything when it was
applied; its purpose was to avoid future breakage.
Johan
next prev parent reply other threads:[~2017-12-13 14:06 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-13 1:55 [PATCH AUTOSEL for 4.14 01/60] backlight: pwm_bl: Fix overflow condition alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 02/60] drm: Add retries for lspcon mode detection alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 03/60] clk: sunxi-ng: nm: Check if requested rate is supported by fractional clock alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 05/60] crypto: talitos - fix ctr-aes-talitos alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 07/60] crypto: talitos - fix memory corruption on SEC2 alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 04/60] clk: sunxi-ng: sun5i: Fix bit offset of audio PLL post-divider alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 06/60] crypto: talitos - fix AEAD test failures alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 09/60] crypto: lrw - Fix an error handling path in 'create()' alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 08/60] crypto: crypto4xx - increase context and scatter ring buffer elements alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 11/60] kvm, mm: account kvm related kmem slabs to kmemcg alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 10/60] rtc: pl031: make interrupt optional alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 14/60] scsi: cxgb4i: fix Tx skb leak alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 12/60] net: phy: at803x: Change error to EINVAL for invalid MAC alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 13/60] PCI: Avoid bus reset if bridge itself is broken alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 15/60] scsi: mpt3sas: Fix IO error occurs on pulling out a drive from RAID1 volume created on two SATA drive alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 16/60] PCI: Create SR-IOV virtfn/physfn links before attaching driver alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 19/60] Bluetooth: avoid silent hci_bcm ACPI PM regression alexander.levin
2017-12-13 8:14 ` Johan Hovold
2017-12-13 13:37 ` alexander.levin
2017-12-13 14:05 ` Johan Hovold [this message]
2017-12-13 14:18 ` alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 18/60] igb: check memory allocation failure alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 17/60] PM / OPP: Move error message to debug level alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 22/60] iio: st_sensors: add register mask for status register alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 21/60] i40e: use the safe hash table iterator when deleting mac filters alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 20/60] kbuild: re-order the code to not parse unnecessary variables alexander.levin
2017-12-20 17:13 ` Greg KH
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 23/60] ixgbe: fix use of uninitialized padding alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 25/60] block,bfq: Disable writeback throttling alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 26/60] md: always set THREAD_WAKEUP and wake up wqueue if thread existed alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 24/60] IB/rxe: check for allocation failure on elem alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 27/60] ip_gre: check packet length and mtu correctly in erspan tx alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 29/60] leds: pca955x: Don't invert requested value in pca955x_gpio_set_value() alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 30/60] Bluetooth: hci_uart_set_flow_control: Fix NULL deref when using serdev alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 28/60] ipv6: grab rt->rt6i_ref before allocating pcpu rt alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 33/60] PCI/AER: Report non-fatal errors only to the affected endpoint alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 31/60] Bluetooth: hci_bcm: Fix setting of irq trigger type alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 34/60] tracing: Exclude 'generic fields' from histograms alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 32/60] i40e/i40evf: spread CPU affinity hints across online CPUs only alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 35/60] percpu: don't forget to free the temporary struct pcpu_alloc_info alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 37/60] ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 38/60] powerpc/xmon: Avoid tripping SMP hardlockup watchdog alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 36/60] ASoC: codecs: msm8916-wcd-analog: fix micbias level alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 42/60] fm10k: fix mis-ordered parameters in declaration for .ndo_set_vf_bw alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 39/60] powerpc/watchdog: Do not trigger SMP crash from touch_nmi_watchdog alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 40/60] sctp: silence warns on sctp_stream_init allocations alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 41/60] ASoC: codecs: msm8916-wcd-analog: fix module autoload alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 43/60] scsi: lpfc: Fix secure firmware updates alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 44/60] scsi: lpfc: PLOGI failures during NPIV testing alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 45/60] scsi: lpfc: Fix warning messages when NVME_TARGET_FC not defined alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 46/60] i40e: fix client notify of VF reset alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 50/60] ibmvnic: Set state UP alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 48/60] ARM: exynos_defconfig: Enable UAS support for Odroid HC1 board alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 47/60] vfio/pci: Virtualize Maximum Payload Size alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 49/60] fm10k: ensure we process SM mbx when processing VF mbx alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 54/60] clk: sunxi-ng: sun6i: Rename HDMI DDC clock to avoid name collision alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 51/60] net: ipv6: send NS for DAD when link operationally up alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 52/60] RDMA/hns: Avoid NULL pointer exception alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 53/60] staging: greybus: light: Release memory obtained by kasprintf alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 56/60] rtc: set the alarm to the next expiring timer alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 58/60] drm/vc4: Avoid using vrefresh==0 mode in DSI htotal math alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 57/60] cpuidle: fix broadcast control when broadcast can not be entered alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 55/60] tcp: fix under-evaluated ssthresh in TCP Vegas alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 60/60] IB/opa_vnic: Properly return the total MACs in UC MAC list alexander.levin
2017-12-13 1:55 ` [PATCH AUTOSEL for 4.14 59/60] IB/opa_vnic: Properly clear Mac Table Digest alexander.levin
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