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History log of /src/sys/arch/arm/nvidia/tegra_gpio.c
RevisionDateAuthorComments
 1.14  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.13  24-Apr-2021  thorpej branches: 1.13.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).
 1.12  27-Jan-2021  thorpej branches: 1.12.2;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.
 1.11  13-Oct-2019  skrll branches: 1.11.8;
Restore %# for PRIxBUSADDR
 1.10  13-Oct-2019  skrll Use PRIxBUSADDR
 1.9  16-Jul-2018  christos Add missing pointer <-> integer casts
Use PRI?64 to print uint64_t instead 'll?'
 1.8  25-May-2017  jmcneill branches: 1.8.8; 1.8.10; 1.8.12;
Match nvidia,tegra210-gpio and nvidia,tegra30-gpio compat strings.
 1.7  13-Mar-2016  christos PR/50963: David Binderman: Use kmem_zalloc() so all members are initialized.
 1.6  22-Dec-2015  jmcneill Add fdtbus_gpio_{read,write}_raw, which tells the controller not to take
polarity into account. Tegra GPIO pin data includes pin polarity, but so
does a regulator-fixed node, so the end result was that the enable value
was being swapped twice. Change fregulator to use the raw APIs, and adapt
Tegra and Exynos GPIO drivers to support this flag.
 1.5  14-Dec-2015  jmcneill handle GPIO_ACTIVE_LOW flag
 1.4  13-Dec-2015  jmcneill Use fdt for device enumeration.
 1.3  09-May-2015  jmcneill branches: 1.3.2;
tegra_gpio_acquire: if a pin is required and not in GPIO mode, switch configuration instead of bailing out
 1.2  02-May-2015  jmcneill simplify gpio kpi
 1.1  02-May-2015  jmcneill add GPIO support
 1.3.2.5  28-Aug-2017  skrll Sync with HEAD
 1.3.2.4  19-Mar-2016  skrll Sync with HEAD
 1.3.2.3  27-Dec-2015  skrll Sync with HEAD (as of 26th Dec)
 1.3.2.2  06-Jun-2015  skrll Sync with HEAD
 1.3.2.1  09-May-2015  skrll file tegra_gpio.c was added on branch nick-nhusb on 2015-06-06 14:39:56 +0000
 1.8.12.2  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.8.12.1  10-Jun-2019  christos Sync with HEAD
 1.8.10.1  28-Jul-2018  pgoyette Sync with HEAD
 1.8.8.2  03-Dec-2017  jdolecek update from HEAD
 1.8.8.1  25-May-2017  jdolecek file tegra_gpio.c was added on branch tls-maxphys on 2017-12-03 11:35:54 +0000
 1.11.8.1  03-Apr-2021  thorpej Sync with HEAD.
 1.12.2.1  23-Mar-2021  thorpej Convert config_found_ia() call sites where the device only carries
a single interface attribute to bare config_found() calls.
 1.13.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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