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Message-ID: <BY5PR02MB691657682B94F4D3DBDA007EA9769@BY5PR02MB6916.namprd02.prod.outlook.com>
Date: Wed, 15 Dec 2021 12:11:21 +0000
From: Anand Ashok Dumbre <ANANDASH@...inx.com>
To: Anand Ashok Dumbre <ANANDASH@...inx.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"jic23@...nel.org" <jic23@...nel.org>,
"lars@...afoo.de" <lars@...afoo.de>,
"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
git <git@...inx.com>, Michal Simek <michals@...inx.com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"rafael@...nel.org" <rafael@...nel.org>,
"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
"heikki.krogerus@...ux.intel.com" <heikki.krogerus@...ux.intel.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
'Anand Dumbre' <ananddumbre8@...il.com>
Subject: RE: [PATCH v12 0/5] Add Xilinx AMS Driver
Ping!
> -----Original Message-----
> From: Anand Ashok Dumbre <anand.ashok.dumbre@...inx.com>
> Sent: Friday 3 December 2021 9:24 PM
> To: linux-kernel@...r.kernel.org; jic23@...nel.org; lars@...afoo.de; linux-
> iio@...r.kernel.org; git <git@...inx.com>; Michal Simek
> <michals@...inx.com>; gregkh@...uxfoundation.org; rafael@...nel.org;
> linux-acpi@...r.kernel.org; heikki.krogerus@...ux.intel.com
> Cc: Anand Ashok Dumbre <ANANDASH@...inx.com>
> Subject: [PATCH v12 0/5] Add Xilinx AMS Driver
>
> Add Xilinx AMS driver which is used for Xilinx's ZynqMP AMS controller.
> This AMS driver is used to report various interface voltages and
> temperatures across the system.
> This driver will be used by iio-hwmon to repport voltages and temperatures
> across the system by using various channel interfaces.
> This driver handles AMS module including PS-Sysmon & PL-Sysmon. The
> binding documentation is added for understanding of AMS, PS, PL Sysmon
> Channels.
>
> Changes in v2:
> - Added documentation for sysfs (Patch-2)
> - Addressed code style review comments
> - Patch-2 (Now it is Patch-3)
> - Arranged the includes in alphabetical order
> - Removed the wrapper 'ams_pl_write_reg()' and used writel
> instead
> - Removed the unnecessary delay of 1ms and used polling of
> EOC
> instead
> - Removed spin_lock and used mutex only.
> - Used request_irq() instead of devm_request_irq() and
> handled
> respective error conditions
> - Moved contents of xilinx-ams.h to inline with xilinx-ams.c
> - Patch-1
> - Addressed Documentation style comments
>
> Changes in v3:
> - Updated bindings document with the suggested modification in v2
> review
> - Removed documentation for sysfs
> - Removed extended names for channels in the Xilinx AMS driver
> - Modified dts to use ranges for child nodes
> - Reduced address and size cells to 32-bit instead of 64-bit
>
> Changes in v4:
> - Updated bindings document with the suggested modification in v3
> review
> - Changed the Device Tree property 'ranges' for child nodes
> - Used Channel Numbers as 'reg' value in DT to avoid confusion
> - Removed unused NULL arguments as suggested in v3 patch review
> - Addressed comments on Device Tree property naming
>
> Changes in v5:
> - Updated bindings document to the YAML format
> - Updated bindings document with the suggested modification in v4
> review
> - Renamed iio_pl_info struct to iio_ams_info in Xilinx AMS driver
> - Updated the Xilinx AMS driver to not use iio_priv_to_dev function
> - Updated Xilinx AMS node to reflect the changes in bindings
> document
> - Update MAINTAINERS file
>
> Changes in v6:
> - Removed all tabs from bindings document.
> - Removed the xlnx,ext-channels node from the device tree since
> it is not neeeded.
> - Fixed unit addresses for ps-ams and pl-ams.
> - Removed the names property from bindings.
> - Fixed warnings from checkpatch.pl in the driver.
> - devm_add_action_or_reset() used for exit/error path.
> - devm_request_irq() for managed irq request instead of
> request_irq()
>
> Changes in v7:
> - Added use of FIELD_PREP and FIELD_GET.
> - Added the spinlocks back the v1 which were removed in v2 for
> no justifiable reason and replaced with the same mutex. This
> caused deadlocks.
> - Removed the buffered mode information from channel config.
> - Usage of wrapper functions for devm_add_action_or_reset
> callbacks to avoid typecasting functions.
> - Usage of devm_platform_iremap_resource().
> - Handled platform_get_irq() return values.
> - Removed the remove() callback.
> - Fixed the dt-bindings.
>
> Changes in v8:
> - Replaced *_of_() APIs with fwnode.
> - Added missing headers.
> - Fixed documentation.
> - Added devm_add_action_or_reset() for iounmap.
> - Restructured read_raw function.
> - Added helper functions.
> - Usage of GENMASK for all masks.
> - Added defaults for most switch cases. Some can't be added
> since the default will never occur.
>
> Changes in v9:
> - Added a fwnode_iomap().
> - Fixed Kconfig indentation.
> - Added the overflow checks before memory allocation.
> - Usage of fwnode_iomap() instead of iomap().
> - Rename ams_parse_dt() to ams_parse_firmware().
>
> Changes in v10:
> - Fixed licence in zynqmp.dtsi.
> - Changed the macros to use BIT().
> - Realign some code to fit within 100 chars.
> - Modified readl_poll_timeout usage.
> - Usage of array_size() instead of check_mul_overflow().
> - Usage of dev_err_probe() instead of dev_err().
> - Usage of kcalloc instead of kzalloc()
>
> Changes in v11:
> - Added missing bitfield.h.
> - Fixed AMS_ALARM_THR_MIN macro.
> - Added terminators to enums where necessary.
> - Added explicit values as suggested to enums.
> - Removed redundant macros.
> - Added delay value for readl_poll_timeout.
> - Corrected shadowed error return.
> - Corrected formatting errors.
> - Added default cases where missing.
> - Made ams_parse_firmware() a single parameter functions.
> - Usage of devm_kcalloc() and devm_krealloc().
> - Directly returning from dev_err_probe().
> - Renamed masked_alarm to current_masked_alarm.
>
> Changes in v12:
> - GENMASK_ULL usage for 64bit values.
> - Added ams_iounmap_ps and amsiomap_pl instead of generic
> function.
> - Hex values to use all capital letters.
> - Fixed a case of wrong kernel doc.
> - Modified macro voltage names to reflect the scale.
> - Maximize single line usage wherever possible.
> - Handling of fwnode_iomap when CONFIG_OF_ADDRESS is not
> enabled.
> - ams_read_raw() - Reduce the size of switch statements by
> using helper functions for IIO_CHAN_INFO_SCALE.
> - ams_read_raw() - Mutex unlocking in a single place using goto.
>
> Anand Ashok Dumbre (5):
> device property: Add fwnode_iomap()
> arm64: zynqmp: DT: Add Xilinx AMS node
> iio: adc: Add Xilinx AMS driver
> dt-bindings: iio: adc: Add Xilinx AMS binding documentation
> MAINTAINERS: Add maintainer for xilinx-ams
>
> .../bindings/iio/adc/xlnx,zynqmp-ams.yaml | 227 +++
> MAINTAINERS | 7 +
> arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 24 +
> drivers/base/property.c | 16 +
> drivers/iio/adc/Kconfig | 15 +
> drivers/iio/adc/Makefile | 1 +
> drivers/iio/adc/xilinx-ams.c | 1450 +++++++++++++++++
> include/linux/property.h | 2 +
> 8 files changed, 1742 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml
> create mode 100644 drivers/iio/adc/xilinx-ams.c
>
> --
> 2.17.1
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