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Tony Lindgren 1510d8ab7b bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit
[ Upstream commit d46f9fbec71997420e4fb83c04d9affdf423f879 ]

Some modules reset automatically when idled, and when re-enabled, we must
wait for the automatic OCP softreset to complete. And if optional clocks
are configured, we need to keep the clocks on while waiting for the reset
to complete.

Let's fix the issue by moving the OCP softreset code to a separate
function sysc_wait_softreset(), and call it also from sysc_enable_module()
with the optional clocks enabled.

This is based on what we're already doing for legacy platform data booting
in _enable_sysc().

Fixes: 7324a7a0d5e2 ("bus: ti-sysc: Implement display subsystem reset quirk")
Reported-by: Faiz Abbas <faiz_abbas@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-22 09:33:00 +02:00
arch arm64: dts: g12-common: add parkmode_disable_ss_quirk on DWC3 controller 2020-07-22 09:32:58 +02:00
block blk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags 2020-07-22 09:32:52 +02:00
certs
crypto
Documentation doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode 2020-07-22 09:32:59 +02:00
drivers bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit 2020-07-22 09:33:00 +02:00
fs gfs2: read-only mounts should grab the sd_freeze_gl glock 2020-07-22 09:32:53 +02:00
include bus: ti-sysc: Handle module unlock quirk needed for some RTC 2020-07-22 09:32:58 +02:00
init
ipc
kernel
lib
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net ip: Fix SO_MARK in RST, ACK and ICMP packets 2020-07-22 09:32:50 +02:00
samples
scripts
security
sound ALSA: usb-audio: Add quirk for Focusrite Scarlett 2i2 2020-07-22 09:32:59 +02:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
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There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
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the problems which may result by upgrading your kernel.