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GPIO library does copy the of_node from the parent device of
the GPIO chip, there is no need to repeat this in the individual
drivers. Remove these assignment all at once.
For the details one may look into the of_gpio_dev_init() implementation.
While at it, remove duplicate parent device assignment where it is the case.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-By: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
A good attempt has been made to properly document 'struct
sprd_pmic_eic', but 'map' has been incorrectly described as
'regmap' since the driver's inception in 2018.
Fixes the following W=1 kernel build warning:
drivers/gpio/gpio-pmic-eic-sprd.c:65: warning: Function parameter or member 'map' not described in 'sprd_pmic_eic'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Cc: Orson Zhai <orsonzhai@gmail.com>
Cc: Baolin Wang <baolin.wang7@gmail.com>
Cc: Chunyan Zhang <zhang.lyra@gmail.com>
Link: https://lore.kernel.org/r/20200630133345.2232932-5-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.
// <smpl>
@@
expression ret;
struct platform_device *E;
@@
ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);
if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>
While we're here, remove braces on if statements that only have one
statement (manually).
Cc: linux-gpio@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20190730181557.90391-16-swboyd@chromium.org
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Change to use SoC compatible string instead of wildcard string.
The Spreadtrum SC9860 platform device trees and drivers' development
are still in progress, and now we will always recompile and ship
device trees at the same time as we will compile and ship the kernel,
so we do not need care about the backwards compatibility.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Spreadtrum PMIC interrupt controller has no registers to set irq
trigger type, since it is always high level trigger. That means the
PMIC EIC controller as a child device of PMIC INTC does not need to
set the trigger type, so remove it.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch will toggle the EIC level to emulate the edge trigger to
support PMIC EIC egdge trigger function, which is required by gpio-keys
driver.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Spreadtrum PMIC EIC controller contains only one bank of debounce EIC,
and this bank contains 16 EICs. Each EIC can only be used as input mode,
as well as supporting the debounce and the capability to trigger interrupts
when detecting input signals.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
