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Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.
Simplify driver accordingly which even makes error checking more correct
because gpiod_direction_{in,out}put might fail. Furthermore this is one
caller less that stops us making the flags argument to gpiod_get*()
mandatory.
Acked-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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CONFIG_DYNAMIC_DEBUG is the right toggle to enable pr_debug().
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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When GPIO is not enabled we hit this kind of warning:
drivers/nfc/nxp-nci/i2c.c: In function 'nxp_nci_i2c_acpi_config':
drivers/nfc/nxp-nci/i2c.c:320:2: error: implicit declaration of function 'devm_gpiod_get_index' [-Werror=implicit-function-declaration]
gpiod_en = devm_gpiod_get_index(&client->dev, NULL, 2);
This is fixed by explicitely including gpio/consumer.h.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Signed-off-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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In that case, the firmware work will never be scheduled, will
never complete and thus the firmware will never be released.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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It request_firmware returns 0, the request succeeded and the
firmware pointer is valid. No need to check for it.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Add a module to the NXP-NCI driver to support NFC controllers with an
I2C control interface, such as the NPC100.
Signed-off-by: Clément Perrochaud <clement.perrochaud@effinnov.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Add support for NXP NCI NFC controllers such as the NPC100 or PN7150
families.
Signed-off-by: Clément Perrochaud <clement.perrochaud@effinnov.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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