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Michael Kelley ebbc6fce6d clockevents/drivers/i8253: Add support for PIT shutdown quirk 
commit 35b69a420b upstream.

Add support for platforms where pit_shutdown() doesn't work because of a
quirk in the PIT emulation. On these platforms setting the counter register
to zero causes the PIT to start running again, negating the shutdown.

Provide a global variable that controls whether the counter register is
zero'ed, which platform specific code can override.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
Cc: "devel@linuxdriverproject.org" <devel@linuxdriverproject.org>
Cc: "daniel.lezcano@linaro.org" <daniel.lezcano@linaro.org>
Cc: "virtualization@lists.linux-foundation.org" <virtualization@lists.linux-foundation.org>
Cc: "jgross@suse.com" <jgross@suse.com>
Cc: "akataria@vmware.com" <akataria@vmware.com>
Cc: "olaf@aepfle.de" <olaf@aepfle.de>
Cc: "apw@canonical.com" <apw@canonical.com>
Cc: vkuznets <vkuznets@redhat.com>
Cc: "jasowang@redhat.com" <jasowang@redhat.com>
Cc: "marcelo.cerri@canonical.com" <marcelo.cerri@canonical.com>
Cc: KY Srinivasan <kys@microsoft.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/1541303219-11142-2-git-send-email-mikelley@microsoft.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-21 09:19:20 +01:00
..
acpi
asm-generic vmlinux.lds.h: Fix linker warnings about orphan .LPBX sections 2018-10-12 08:55:29 +11:00
clocksource
crypto crypto: speck - remove Speck 2018-11-13 11:08:46 -08:00
drm drm: Get ref on CRTC commit object when waiting for flip_done 2018-10-18 14:23:13 -04:00
dt-bindings ARM: SoC: late updates 2018-08-25 14:12:36 -07:00
keys
kvm
linux clockevents/drivers/i8253: Add support for PIT shutdown quirk 2018-11-21 09:19:20 +01:00
math-emu
media media: cec: fix the Signal Free Time calculation 2018-11-13 11:08:53 -08:00
memory
misc
net Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
pcmcia pcmcia: remove long deprecated pcmcia_request_exclusive_irq() function 2018-08-18 12:30:42 -07:00
ras
rdma IB/rxe: Revise the ib_wr_opcode enum 2018-11-13 11:08:43 -08:00
scsi SCSI misc on 20180815 2018-08-15 22:06:26 -07:00
soc soc: fsl: qbman: add APIs to retrieve the probing status 2018-09-27 15:43:35 -05:00
sound ASoC: Fixes for v4.19 2018-09-17 18:59:21 +02:00
target
trace RxRPC fixes 2018-10-10 22:27:38 -07:00
uapi media: replace ADOBERGB by OPRGB 2018-11-13 11:08:54 -08:00
video fbdev changes for v4.19: 2018-08-23 15:44:58 -07:00
xen xen/balloon: add runtime control for scrubbing ballooned out pages 2018-09-14 08:51:10 -04:00