linux-toradex.git/drivers/nfc/pn544, branch v4.1.21 Linux kernel for Apalis and Colibri modules NFC: logging neatening 2015-04-07T10:05:12+00:00 Joe Perches joe@perches.com 2015-04-07T07:17:00+00:00 3590ebc040c9ee5d06754ce926f0e7c3a595e46d Add missing terminating newlines to nfc_info and nfc_err to avoid possible interleaving from other messages. Miscellanea: o typo fix of "unknonwn" in message o remove unnecessary OOM messages as there's a generic dump_stack() o realign arguments Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
Add missing terminating newlines to nfc_info and nfc_err
to avoid possible interleaving from other messages.

Miscellanea:

o typo fix of "unknonwn" in message
o remove unnecessary OOM messages as there's a generic dump_stack()
o realign arguments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: Add ACPI support for NXP PN544 2015-01-28T00:09:08+00:00 Robert Dolca robert.dolca@intel.com 2015-01-26T11:13:37+00:00 0a5942c8e1480db4b8ee7a8d643e4945ef2f8fed Currently there is no support for ACPI. This patch uses the following configuration: - Device id: NXP5440 - Pin mapping: - 0 IRQ pin - 1 enable pin - 2 firmware pin Signed-off-by: Robert Dolca <robert.dolca@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
Currently there is no support for ACPI.
This patch uses the following configuration:
	- Device id: NXP5440
	- Pin mapping:
		- 0 IRQ pin
		- 1 enable pin
		- 2 firmware pin

Signed-off-by: Robert Dolca <robert.dolca@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: PN544: GPIO access that may sleep 2015-01-27T23:16:23+00:00 Robert Dolca robert.dolca@intel.com 2015-01-26T11:13:36+00:00 75dda421a31dc614b8b6502cafd3825e2c72ccf0 gpio_set_value was replaced with gpio_set_value_cansleep in order to allow GPIO access that may sleep. This is particularelly useful when GPIO is accessed using busses like I2C, SPI, USB Signed-off-by: Robert Dolca <robert.dolca@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
gpio_set_value was replaced with gpio_set_value_cansleep in order
to allow GPIO access that may sleep. This is particularelly useful
when GPIO is accessed using busses like I2C, SPI, USB

Signed-off-by: Robert Dolca <robert.dolca@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: pn544: Change event_received gate parameter to pipe 2015-01-27T23:03:35+00:00 Christophe Ricard christophe.ricard@gmail.com 2015-01-27T00:18:16+00:00 8abe3c6a9ec5e55daa6aec82215f3c27012e27fe The below event_received hci handler has change the gate parameter to pipe. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> 
The below event_received hci handler has change the gate parameter to pipe.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
NFC: Don't include linux/unaligned/access_ok.h 2014-11-28T11:55:29+00:00 Johannes Berg johannes.berg@intel.com 2014-11-19T20:17:22+00:00 db083bcbca77c0ebc1b13d5707fcaffe6711493d This is a specific implementation, <asm/unaligned.h> is the multiplexer that has the arch-specific knowledge of which of the implementations needs to be used, so include that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
This is a specific implementation, <asm/unaligned.h> is the
multiplexer that has the arch-specific knowledge of which
of the implementations needs to be used, so include that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: pn544_i2c: Fix null pointer exception when not using platform data 2014-04-21T22:37:29+00:00 Clement Perrochaud clement.perrochaud@nxp.com 2014-04-08T11:13:49+00:00 12b25dbf119337ce51dc93e5ecd7cbe891877328 Fixes a null pointer exception occurring when the IRQ request in pn544_hci_i2c_probe fails and no platform data is available. Signed-off-by: Clément Perrochaud <clement.perrochaud@nxp.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
Fixes a null pointer exception occurring when the IRQ request in
pn544_hci_i2c_probe fails and no platform data is available.

Signed-off-by: Clément Perrochaud <clement.perrochaud@nxp.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: pn544: i2c: Add device-tree (Open Firmware) support to PN544 2014-04-21T22:37:26+00:00 Clement Perrochaud clement.perrochaud@nxp.com 2014-04-02T09:02:39+00:00 eda8565af33648aa77cc2ea6c453b7cbaf53b1f1 Add functions to recover hardware resources from the device-tree when not provided by the platform data. Signed-off-by: Clément Perrochaud <clement.perrochaud@nxp.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
Add functions to recover hardware resources from the device-tree when not
provided by the platform data.

Signed-off-by: Clément Perrochaud <clement.perrochaud@nxp.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: pn544: i2c: Support PN544 C3 secure firmware download 2014-02-16T22:49:54+00:00 Arron Wang arron.wang@intel.com 2013-12-11T09:25:24+00:00 f1dd56fdc4b7474bfbda1753b42526dc144b55dd PN544 C3 firmwares already contain the command frames to be sent, but as they may exceed the i2c maximum payload, we need to fragment them into secure chunks and send them through the secure write command. Signed-off-by: Arron Wang <arron.wang@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
PN544 C3 firmwares already contain the command frames to be sent, but as
they may exceed the i2c maximum payload, we need to fragment them into
secure chunks and send them through the secure write command.

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: pn544: Pass hardware variant information when downloading firmware 2014-02-16T22:49:54+00:00 Arron Wang arron.wang@intel.com 2013-12-11T09:25:23+00:00 971d63cff6d70ab09237b7718f39615e40ad0828 Different pn544 hardware variant may use different commands to download new firmwares. The C2 does a regular firmware download while the C3 uses a more secure protocol. As a consequence we need to pass the hardware variant from the HCI SW version command reply down to the pn544 i2c layer, in order to use the right protocol at run time. Signed-off-by: Arron Wang <arron.wang@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
Different pn544 hardware variant may use different commands to download
new firmwares. The C2 does a regular firmware download while the C3 uses
a more secure protocol.
As a consequence we need to pass the hardware variant from the HCI SW
version command reply down to the pn544 i2c layer, in order to use the
right protocol at run time.

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
NFC: pn544: Refactor hw_config values 2014-01-04T02:32:27+00:00 Arman Uguray armansito@chromium.org 2013-11-15T01:07:32+00:00 34f7e57b231ec4fd943d0d172fb7c1bb143f1da8 Some of the EEPROM configurations that are assigned by the PN544 driver are set by the firmware and should not be modified by the driver. Others are certain user mode configurations that are currently getting set to values that shouldn't necessarily be dictated by the driver. This patch changes most user and system mode configurations to the firmware defaults. Signed-off-by: Arman Uguray <armansito@chromium.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> 
Some of the EEPROM configurations that are assigned by the PN544 driver
are set by the firmware and should not be modified by the driver. Others
are certain user mode configurations that are currently getting set to values
that shouldn't necessarily be dictated by the driver. This patch changes
most user and system mode configurations to the firmware defaults.

Signed-off-by: Arman Uguray <armansito@chromium.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>