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Commit Graph

6 Commits

Author SHA1 Message Date
Thomas Gleixner
75a6faf617 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms and conditions of the gnu general public license
  version 2 as published by the free software foundation

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 101 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190113.822954939@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:15 +02:00
Nathan Chancellor
1f60652dd5 pinctrl: max77620: Use define directive for max77620_pinconf_param values
Clang warns when one enumerated type is implicitly converted to another:

drivers/pinctrl/pinctrl-max77620.c:56:12: warning: implicit conversion
from enumeration type 'enum max77620_pinconf_param' to different
enumeration type 'enum pin_config_param' [-Wenum-conversion]
                .param = MAX77620_ACTIVE_FPS_SOURCE,
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~

It is expected that pinctrl drivers can extend pin_config_param because
of the gap between PIN_CONFIG_END and PIN_CONFIG_MAX so this conversion
isn't an issue. Most drivers that take advantage of this define the
PIN_CONFIG variables as constants, rather than enumerated values. Do the
same thing here so that Clang no longer warns.

Link: https://github.com/ClangBuiltLinux/linux/issues/139
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-11-09 10:02:22 +01:00
Markus Elfring
752caf9aca pinctrl: max77620: Use common error handling code in max77620_pinconf_set()
* Add a jump target so that a specific error message is stored only once
  at the end of this function implementation.

* Replace two calls of the function "dev_err" by goto statements.

* Adjust two condition checks.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-11-08 13:49:57 +01:00
Mika Westerberg
58957d2edf pinctrl: Widen the generic pinconf argument from 16 to 24 bits
The current pinconf packed format allows only 16-bit argument limiting
the maximum value 65535. For most types this is enough. However,
debounce time can be in range of hundreths of milliseconds in case of
mechanical switches so we cannot represent the worst case using the
current format.

In order to support larger values change the packed format so that the
lower 8 bits are used as type which leaves 24 bits for the argument.
This allows representing values up to 16777215 and debounce times up to
16 seconds.

We also convert the existing users to use 32-bit integer when extracting
argument from the packed configuration value.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-01-26 15:22:32 +01:00
Jon Hunter
648eb7a1bc pinctrl: max77620: Remove unused structure definition
The strucuture 'max77620_cfg_param' is defined but never used by the
max77620 driver. Remove this structure definition.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-06-15 08:37:40 +02:00
Laxman Dewangan
2df723d49c pinctrl: max77620: add pincontrol driver for MAX77620/MAX20024
MAXIM Semiconductor's PMIC, MAX77620/MAX20024 has 8 GPIO pins
which also act as the special function in alternate mode. Also
there is configuration like push-pull, open drain, FPS timing
etc for these pins.

Add pin control driver to configure these parameters through
pin control APIs.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-30 09:41:47 +02:00