From: Vivek Gautam <vivek.gautam@codeaurora.org>
To: p.zabel@pengutronix.de, linux-kernel@vger.kernel.org
Cc: linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org,
jonathanh@nvidia.com, balbi@kernel.org,
gregkh@linuxfoundation.org, linux-arm-msm@vger.kernel.org,
Vivek Gautam <vivek.gautam@codeaurora.org>
Subject: [PATCH v4 0/4] reset: APIs to manage a list of resets
Date: Mon, 22 May 2017 16:53:23 +0530 [thread overview]
Message-ID: <1495452207-6129-1-git-send-email-vivek.gautam@codeaurora.org> (raw)
Set of patches to support getting and de/asserting a list (array)
of reset controllers available with the device.
This series also contains reset controls patches for dwc3-of-simple
and tegra pmc drivers.
A small patch is added in this series to correctly re-order the
resource handling in dwc3_of_simple_remove().
The series is tested on torvald's master branch the device tree
patches to enable usb on db820c.
Changes since v3:
- Squashed of_reset_control_get_count() patch in the second patch that
adds the reset control array APIs.
- The error path after getting count through of_reset_control_get_count()
now returns NULL pointer in case when 'optional' flag is true.
- Added code in reset_control_array_assert() to deassert the
already asserted resets in the error case.
- Using of_reset_control_array_get_optional_exclusive() in dwc3 patch
to request the reset control array.
- Added a patch to fix the order in which resources are handled in
dwc3_of_simple_remove() path.
- Added tegra_powergate->reset to take care of single reset control
passed from the client drivers.
Changes since v2:
- Addressed comments to make APIs inline with gpiod API.
- Moved number of reset controls in 'struct reset_control_array'
so that the footprint is reduced.
- of_reset_control_array_get() and devm_reset_control_array_get()
now return pointer to the newly created reset control array.
- Added comments to mention that the reset control array APIs don't
guarantee any particular order when handling the reset controls.
- Dropped 'name' from reset_control_array' since the interface is meant
for a bunch of anonymous resets that can all be asserted or deasserted
in arbitrary order.
- Fixed returns for APIs reported by kbuild.
- Fixed 'for' clause guards reported by kbuild.
Changes since v1:
- Addressed comment for error handling in of_reset_control_get_count()
- Added patch to manage reset controller array.
- Rebased dwc3-of-simple changes based on the new set of APIs
for reset control array.
- Added a patch for soc/tegra/pmc driver to use the new set of
reset control array APIs.
Vivek Gautam (4):
usb: dwc3: of-simple: Re-order resource handling in remove
reset: Add APIs to manage array of resets
usb: dwc3: of-simple: Add support to get resets for the device
soc/tegra: pmc: Use the new reset APIs to manage reset controllers
drivers/reset/core.c | 204 ++++++++++++++++++++++++++++++++++++++
drivers/soc/tegra/pmc.c | 91 ++++++-----------
drivers/usb/dwc3/dwc3-of-simple.c | 29 +++++-
include/linux/reset.h | 93 +++++++++++++++++
4 files changed, 354 insertions(+), 63 deletions(-)
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next reply other threads:[~2017-05-22 11:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 11:23 Vivek Gautam [this message]
[not found] ` <1495452207-6129-1-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-05-22 11:23 ` [PATCH v4 1/4] usb: dwc3: of-simple: Re-order resource handling in remove Vivek Gautam
2017-05-22 11:23 ` Vivek Gautam
2017-05-22 11:23 ` [PATCH v4 2/4] reset: Add APIs to manage array of resets Vivek Gautam
2017-05-22 11:23 ` Vivek Gautam
2017-05-22 11:23 ` [PATCH v4 3/4] usb: dwc3: of-simple: Add support to get resets for the device Vivek Gautam
2017-05-22 11:23 ` [PATCH v4 4/4] soc/tegra: pmc: Use the new reset APIs to manage reset controllers Vivek Gautam
[not found] ` <1495452207-6129-5-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-05-31 14:23 ` Jon Hunter
2017-05-31 14:23 ` Jon Hunter
[not found] ` <53360973-098e-14fa-88e9-b0864822359a-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2017-06-01 6:35 ` Vivek Gautam
2017-06-01 6:35 ` Vivek Gautam
2017-06-01 16:44 ` Philipp Zabel
2017-06-01 16:44 ` Philipp Zabel
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