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2015-06-26Merge tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds4-36/+301
Pull char/misc driver updates from Greg KH: "Here's the big char/misc driver pull request for 4.2-rc1. Lots of mei, extcon, coresight, uio, mic, and other driver updates in here. Full details in the shortlog. All of these have been in linux-next for some time with no reported problems" * tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits) mei: me: wait for power gating exit confirmation mei: reset flow control on the last client disconnection MAINTAINERS: mei: add mei_cl_bus.h to maintained file list misc: sram: sort and clean up included headers misc: sram: move reserved block logic out of probe function misc: sram: add private struct device and virt_base members misc: sram: report correct SRAM pool size misc: sram: bump error message level on unclean driver unbinding misc: sram: fix device node reference leak on error misc: sram: fix enabled clock leak on error path misc: mic: Fix reported static checker warning misc: mic: Fix randconfig build error by including errno.h uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config uio: pruss: Add CONFIG_HAS_IOMEM dependence uio: pruss: Include <linux/sizes.h> extcon: Redefine the unique id of supported external connectors without 'enum extcon' type char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration(). Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion parport: check exclusive access before register w1: use correct lock on error in w1_seq_show() ...
2015-06-13NFC: nfcmrvl: set PB_BAIL_OUT at setupVincent Cuissard2-0/+9
PB_BAIL_OUT parameter as to be set to one. This is needed because digital protocol 1.0 is used in combination with ISO15693 protocol. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-13NFC: nfcmrvl: Allow ISO15693 protocolVincent Cuissard1-0/+1
Reference Marvell NFC controller as ISO15693 capable. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-13NFC: nfcmrvl: small fix in USB driverVincent Cuissard1-0/+1
Marvell NFC USB driver has to be updated to follow new multi PHY driver interface. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-11NFC: nfcmrvl: add UART driverVincent Cuissard4-0/+246
Add support of Marvell NFC chip controlled over UART Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-11NFC: nfcmrvl: add platform_data and DT configurationVincent Cuissard3-26/+82
Declare nfcmrvl platform_data structure and few DT parameters for nfcmrvl driver. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-11NFC: nfcmrvl: add chip reset managementVincent Cuissard2-0/+38
Low level driver can specify a GPIO that will be used to reset the chip. Thanks to this the driver can ensure the state of the device at init. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-11NFC: nfcmrvl: update USB device idVincent Cuissard1-1/+2
Device ID was not restrictive enough. This patch select the USB device with the full device and interface characteristics. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-11NFC: nfcmrvl: update nci recv frame APIVincent Cuissard3-16/+23
Update internal nci recv frame API to use skbuff phy management to generic part of the driver. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-11NFC: nfcmrvl: add support of HCI-based transportVincent Cuissard3-4/+52
In some configuration NCI packet can be encapsulated in HCI packets. This patch had the support of this. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-11NFC: nfcmrvl: remove integration related settingsVincent Cuissard1-9/+0
These settings are related to a specific integration that requires the firmware to drive some GPIOs for external RF coexistency. Since this is really linked to specific hardware integration let's remove them. Signed-off-by: Vincent Cuissard <cuissard@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-10nfc: st-nci: Rename st21nfcb to st-nciChristophe Ricard15-544/+547
STMicroelectronics NFC NCI chips family is extending with the new ST21NFCC using the AMS AS39230 RF booster. The st21nfcb driver is relevant for this solution and might be with future products. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Configure CLF with NCI proprietary commandChristophe Ricard3-1/+29
In order to prevent any NFC feature when NFC is disable and to save power, (down to 4uA) put the CLF in hibernate mode with RF deactivated. Add the equivalent to enable the NFC feature when initiating the st21nfcb driver. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: disable irq when st21nfcb is disabledChristophe Ricard1-4/+4
When st21nfcb is disabled, the irq line may remain active while no data are available, flooding the system with irrelevant i2c transaction. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Move powered flag from phy to ndlc layerChristophe Ricard3-5/+5
The powered flag can be set from the ndlc_open and ndlc_close layer. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Move st21nfcb_nci_remove in ndlc_removeChristophe Ricard1-2/+2
Removing st21nfcb may need to execute some specific commands before stopping the ndlc state machine. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Add support for nci proprietary commandsChristophe Ricard2-0/+27
On st21nfcb, nci proprietary commands are available to run specific chip operations (for example: power management) Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Fix st21nfcb_nci_closeChristophe Ricard1-1/+3
When closing st21nfcb driver, flag ST21NFCB_NCI_RUNNING can be cleared only once the ndlc and the transport (i2c or spi) layers are released. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Add ndlc_close in st21nfcb_nci_removeChristophe Ricard1-0/+4
In order to release the st21nfcb properly close the ndlc layer first. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: remove st21nfcb_nci_i2c_disableChristophe Ricard1-3/+0
ndlc_remove already calls st21nfcb_nci_i2c_disable and phy->powered is already set to 0. Cc: stable@vger.kernel.org Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Do not remove header once the payload is sentChristophe Ricard1-7/+0
Once the data is sent, we need to preserve the full frame for the ndlc state machine. If the NDLC ACK is not received in time, the ndlc layer will resend the same frame. Having the header byte pulled will corrupt the frame. Cc: stable@vger.kernel.org Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: st21nfcb: Remove inappropriate kfree on a devm_kzalloc pointerFiro Yang1-3/+0
Since ndev->driver_data is allocated by devm_kzalloc(), we do not need the inappropriate kfree to free it in driver's remove function. Freeing will trigger when driver unloads. Cc: stable@vger.kernel.org Acked-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Firo Yang <firogm@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: pn544: use flags argument of devm_gpiod_get to set directionUwe Kleine-König1-32/+11
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. Use this to simplify the driver. Furthermore this is one caller less that stops us making the flags argument to gpiod_get*() mandatory. While touching this also do some minor coding style fixes. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: microread: drop unused variableTomas Winkler1-3/+0
In microread_i2c_irq_thread_fn 'client' set but not used Cc: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Cc: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-09NFC: Remove obsolete setting of DEBUGValentin Rothberg2-4/+0
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>
2015-06-08NFC: trf7970a: Handle extra byte in response to Type 5 RMB commandsMark A. Greer1-4/+19
The current versions of the trf7970a has an erratum where it returns an extra byte in the response to 'Read Multiple Block' (RMB) commands. This command is issued to Type 5 tags (i.e., ISO/IEC 15693 tags) by the neard daemon. To handle this, define a new Device Tree property, 't5t-rmb-extra-byte-quirk', which indicates that the associated trf7970a device has this erratum. The trf7970a device driver will then ensure that the response length to RMB commands is reduced by one byte (for devices with the erratum). Signed-off-by: Mark A. Greer <mgreer@animalcreek.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-06-08NFC: nxp-nci: Fix build warningSamuel Ortiz1-0/+1
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>
2015-06-08NFC: nxp-nci_i2c: Add support for enumerating through ACPIOleg Zhurakivskyy1-0/+51
Signed-off-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-05-31mei: fix up uuid matchingGreg Kroah-Hartman1-1/+1
A previous commit, c93b76b34b4d ("mei: bus: report also uuid in module alias") caused a build error as I missed applying a needed patch to add some macros to uapi/linux/uuid.h. Instead of those additional macros, change the mei code to use the existing uuid structure directly. Fixes: c93b76b34b4d Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-24NFC: mei_phy: adjust mei nfc header according the specTomas Winkler1-27/+31
1. mei_nfc_hci_hdr and mei_nfc_hdr are just the same thing so drop one 2. use mei_nfc_hdr structure as the member of the command and the reply instead of replicating all header fields. 3. dump the header for easier debugging Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-24NFC: mei_phy: move all nfc logic from mei driver to nfcTomas Winkler2-35/+293
move nfc logic to mei_phy module, we prefer as much as possible not to deal with a particualr client protocol in the mei generic infrasutcutre Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-24mei: bus: report also uuid in module aliasTomas Winkler3-2/+5
In order to automate modules matching add device uuid which is reported in client enumeration, keep also the name that is needed in for nfc distinguishing radio vendor Report mei:name:uuid Cc: linux-api@vger.kernel.org Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-07NFC: logging neateningJoe Perches8-43/+36
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>
2015-04-06NFC: pn533: fix error return codeJulia Lawall1-1/+3
Return a negative error code on failure. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-04-06NFC: nxp-nci: Release firmware when switching to FW mode failsSamuel Ortiz1-1/+3
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>
2015-04-06NFC: nxp-nxi: Remove useless fw pointer checkSamuel Ortiz1-2/+1
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>
2015-04-06nfc: st21nfca: Add additional comments about EVT_TRANSACTIONChristophe Ricard1-1/+10
Add comments about HCI EVT_TRANSACTION in order to make the code understandable by other readers. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-04-06nfc: st21nfcb: Add additional comments about EVT_TRANSACTIONChristophe Ricard1-1/+8
Add comments about HCI EVT_TRANSACTION in order to make the code understandable by other readers. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-04-06nfc: st21nfcb: Add missing break statement in switch sectionChristophe Ricard1-0/+1
Add missing break statement when ST21NFCB_EVT_TRANSACTION switch section ends. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-04-06NFC: st21nfca: Change st21nfca_get_iso14443_3_uid parameter nameChristophe Ricard1-2/+2
st21nfca_get_iso14443_3_uid gate parameter name is incorrect and should be uid. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-04-06NFC: st21nfca: fix st21nfca_get_iso14443_3_uid data copyChristophe Ricard1-1/+1
st21nfca_get_iso14443_3_uid() does not correctly copy the uid from uid_skb->data to its gate parameter. "gate = uid_skb->data;" only puts a pointer to uid_skb->data to the local variable gate. This means that in st21nfca_hci_target_from_gate() the content of "u8 uid[NFC_NFCID1_MAXSIZE]" local variable is never initialized before being used in memcpy(target->nfcid1, uid, len). Fix this by replacing the local variable assignment with a memcpy. This was found by compiling Linux with "gcc -Wunused-but-set-parameter". Acked-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-04-06NFC: st21nfcb: Retry i2c_master_send if it returns a negative valueChristophe Ricard1-2/+2
i2c_master_send may return many negative values different than -EREMOTEIO. In case an i2c transaction is NACK'ed, on raspberry pi B+ kernel 3.18, -EIO is generated instead. Cc: stable@vger.kernel.org Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-04-05NFC: st21nfcb: Fix memory leak in secure element probing stageChristophe Ricard1-4/+2
In case the hci session is successfully initialized we never release the nci_core_conn_create dest_params. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-03-26NFC: nxp-nci_i2c: Add I2C support to NXP NCI driverClément Perrochaud3-0/+429
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>
2015-03-26NFC: nxp-nci: Add support for NXP NCI chipsClément Perrochaud7-0/+623
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>
2015-02-04NFC: nci: Move NFCEE discovery logicChristophe Ricard1-4/+0
NFCEE_DISCOVER_CMD is a specified NCI command used to discover NFCEE IDs. Move nci_nfcee_discover() call to nci_discover_se() in order to guarantee: - NFCEE_DISCOVER_CMD run when the NCI state machine is initialized - NFCEE_DISCOVER_CMD is not run in case there is not discover_se hook defined by a NFC device driver. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-02-04NFC: nci: Move logical connection structure allocationChristophe Ricard1-1/+1
conn_info is currently allocated only after nfcee_discovery_ntf which is not generic enough for logical connection other than NFCEE. The corresponding conn_info is now created in nci_core_conn_create_rsp(). Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-02-04NFC: nci: Support all destinations type when creating a connectionChristophe Ricard1-10/+28
The current implementation limits nci_core_conn_create_req() to only manage NCI_DESTINATION_NFCEE. Add new parameters to nci_core_conn_create() to support all destination types described in the NCI specification. Because there are some parameters with variable size dynamic buffer allocation is needed. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-02-02NFC: st21nfca: Add HCI transaction event supportChristophe Ricard1-0/+21
The transaction notifies the host (DH) that an action is required to manage a specific Secure Element application. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-02-02NFC: st21nfcb: Add HCI transaction event supportChristophe Ricard1-1/+22
The transaction notifies the host (DH) that an action is required to manage a specific Secure Element application. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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