There is a flag in the command structure indicating that this command is
pending. It was checked before sending the command to not send the same
command twice but it was actually never set. This is now fixed.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
With this patch, when freeing the command queue in the module unregister
function, the callbacks of the commands still queued are called with a
ENODEV error. This gives a chance to the command issuer to free any
memory it could have allocate.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The Digital Protocol stack used to send a NACK frame whatever the error
type it receives in digital_in_recv_dep_res(). It actually should only
send a NACK frame on CRC or parity check errors or on any transmission
error if a NACK frame was previously sent. Existing drivers used to send
EIO error for this kind of issues so this patch limits sending of NACK
frames on EIO errors. All other errors will be reported to the upper
layers.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
When configured as a target listening for a SENSF_REQ poll command, a
nfcid2 array was allocated for no reason leading to a memory leak. The
nfcid2 is sent by the target in the SENSF_RES reply.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The nfcsim driver now depends on the Digital layer. This patch adds the
missing dependency on NFC_DIGITAL for NFC_SIM config.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
If a command is still being processed by the device, the switch RF off
command will be rejected. With this patch, the port100 driver calls
port100_abort_cmd() before sending the switch RF off command.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This patch makes the abort_cmd function synchronous. This allows the
caller to immediately send a new command after abort_cmd() returns.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The USB out_urb used to send commands to the device can be submitted
through the standard command processing queue coming from the Digital
Protocol layer but it can also be submitted from port100_abort_cmd().
To not submit the URB while already active, a mutex is now used to
protect it and a cmd_cancel flag is used to not send command while
canceling the previous one.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This patch ensures that a command is not still in process before sending
a new one to the device. This can happen when neard is in constant
polling mode: the configure_hw command can be sent when neard restarts
polling after a LLCP SYMM timeout but before the device has returned in
timeout from the last DEP frame sent.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Once copied into the sk_buff data area using llcp_add_tlv(), the
allocated TLVs must be freed.
With this patch nfc_llcp_send_connect() and nfc_llcp_send_cc() don't
return immediately on success and now free the allocated TLVs.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
In functions using llcp_add_tlv(), a skb pointer could be set to NULL
and then reuse afterward.
With this patch, the skb pointer returned by llcp_add_tlv() is ignored
since it can only be the passed skb pointer or NULL when the passed TLV
is NULL. There is also no need to check for the TLV pointer as this is
done by llcp_add_tlv().
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Change the BUCK2 (vdd_atlas) voltage range to '500 - 1200mv' since
CPU DVFS requires it.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
All transports has this structure. By moving it to be
shared, we can get rid of casting to the specific transport
in probe and remove.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Centralize the logging of SCD status. The motivation is
that for a000 devices we will have new SCD HW, but this
code was duplicate anyway, so it is a proper cleanup.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add support for the v4 version of the TX power command. Just add a
new version and do the same sizing tricks that were done when support
for v3 was introduced.
This patch doesn't support the new functionality introduced, but makes
the driver work with the new size of the command.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
For a000 device the FH was replaced by the TFH.
This is the first patch in a series introducing the
changes stemming from this change.
This patch initializes the TFQ queue table with the new
64 bit register and the relevant TFH configuration
registers.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Move the write_prph_64 of pcie to be transport agnostic.
Add direct write as well, as it is needed for a000 HW.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Currently the scratch buffer is set to 16 bytes and indicates
the size of the bi-directional DMA.
However, next HW generation will perform additional offloading,
and will write the result in the key location of the TX command,
so the size of the bi-directional consistent memory should grow
accordingly - increase it to 40.
Generalize the code to get rid of now irrelevant scratch references.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In MQ environment and new architecture in early stages
we may encounter DMA issues. Track RXB status and bail
out in case we receive index to an RXB that was not
mapped and handed over to HW.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Upon firmware load interrupt (FH_TX), the ISR re-enables the
firmware load interrupt only to avoid races with other
flows as described in the commit below. When the firmware
is completely loaded, the thread that is loading the
firmware will enable all the interrupts to make sure that
the driver gets the ALIVE interrupt.
The problem with that is that the thread that is loading
the firmware is actually racing against the ISR and we can
get to the following situation:
CPU0 CPU1
iwl_pcie_load_given_ucode
...
iwl_pcie_load_firmware_chunk
wait_for_interrupt
<interrupt>
ISR handles CSR_INT_BIT_FH_TX
ISR wakes up the thread on CPU0
/* enable all the interrupts
* to get the ALIVE interrupt
*/
iwl_enable_interrupts
ISR re-enables CSR_INT_BIT_FH_TX only
/* start the firmware */
iwl_write32(trans, CSR_RESET, 0);
BUG! ALIVE interrupt will never arrive since it has been
masked by CPU1.
In order to fix that, change the ISR to first check if
STATUS_INT_ENABLED is set. If so, re-enable all the
interrupts. If STATUS_INT_ENABLED is clear, then we can
check what specific interrupt happened and re-enable only
that specific interrupt (RFKILL or FH_TX).
All the credit for the analysis goes to Kirtika who did the
actual debugging work.
Cc: <stable@vger.kernel.org> [4.5+]
Fixes: a6bd005fe9 ("iwlwifi: pcie: fix RF-Kill vs. firmware load race")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The PCIe transport needs to store two pointers in each TX SKB, and
currently assumes mac80211's ieee80211_tx_info is present in the CB
to do that.
In order to remove that assumption, have the opmodes pass in the
offset to where the pointers can be stored in the CB and use the
offset in the PCIe code.
To make the disentanglement complete, remove mac80211.h includes
from everywhere in the generic iwlwifi code. This required adding
an include of cfg80211.h in one place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In order to be able to properly record SKBs that didn't come through
mac80211, don't rely on the IEEE80211_TX_CTRL_PORT_CTRL_PROTO flag
but instead check for ETH_P_PAE directly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In order to reduce reliance on mac80211 structs in the core
iwlwifi code, store the cipher schemes in the format given
by the firmware and convert it later, rather than storing it
in the mac80211 format.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Restart flow zeroes the rx_ba_sessions counter. Mac80211 asks
driver to tear down of the session only afterwards, and as a
result driver didn't free the data. Fix it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Fixes: 10b2b2019d ("iwlwifi: mvm: add infrastructure for tracking BA session in driver")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Make sure that in DQA mode, the SCD's configuration of a
queue is redirected to the lower AC of the streams of the
queue.
Make sure that this queue is redirected to the lowest AC
when adding a new RA/TID to an existing queue. If it isn't -
redirect the queue.
Also, as redirection revealed a bug in the marking of a
shared queue, this patch contains a small fix to make
sure a shared queue maintains the appropriate "shared queue
marking".
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Support TDLS when working in DQA mode.
This is done mainly by NOT doing any special things
for TDLS, as the queues are dynamically created anyway,
so no need to allocate them ahead of time.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In cases of hardware or DMA error, the vid read from
a zeroed location will be 0, and we will access the rxb
at index 0 in the global table, while it may be NULL or
owned by hardware.
Invalidate vid 0 in order to detect the situation and
bail out.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This led to a DMA splat.
Fixes: a6c4fb4441 ("iwlwifi: mvm: Add FW paging mechanism for the UMAC on PCI")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This struct member is never set, so remove it.
Since this is the last thing that needs mac80211.h, also change
the includes to no longer use mac80211.h
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The value for Channel 14 was wrong. Fix it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The TX fifos are arranged consecutively in the SMEM, beginning
with the regular fifos, and tailed by the internal fifos.
In the current code, while trying to read the internal fifos,
we read the fifos beginning with the index zero.
By doing this we actually re-read the regular fifos.
In order to read the internal fifos, start the reading index
from the number of regular fifos configured by the fw.
Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Fixes: 39654cb3a6 ("iwlwifi: don't access a nonexistent register upon assert")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This adds support for 2GB hugetlbfs pages on s390.
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This fixes a pretty ancient bug that hasn't manifested itself
until now.
The scratchbuf for command queue is allocated only for 32 slots
but is accessed with the queue write pointer - which can be
up to 256.
Since the scratch buf size was 16 and there are up to 256 TFDs
we never passed a page boundary when accessing the scratch buffer,
but when attempting to increase the size of the scratch buffer a
panic was quick to follow when trying to access the address resulted
in a page boundary.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Fixes: 38c0f334b3 ("iwlwifi: use coherent DMA memory for command header")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
On some of the chipsets MSI & INTA interrupts are disabled by default in
the HW registers, and need to be explicitly enabled to be used.
In case MSI-X isn't used, make sure MSI mode is enabled by setting
the relevant HW register.
Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This patch fixes wrong count of array for SROM registers from probe
function.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
The S3C RTC controller on Exynos7 platform uses RTC source clock
from S2MPS11 PMIC. This patch enables the required drivers to make
RTC work on Exynos7 Espresso board.
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
1. Enable Virtual Video Test Driver on nulti_v7 and exynos defconfigs.
Useful for testing.
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Merge tag 'samsung-defconfig-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/defconfig
Samsung defconfig update for v4.8, part 2:
1. Enable Virtual Video Test Driver on nulti_v7 and exynos defconfigs.
Useful for testing.
* tag 'samsung-defconfig-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: multi_v7_defconfig: Enable vivid driver as a module
ARM: exynos_defconfig: Enable vivid driver as a module
Signed-off-by: Olof Johansson <olof@lixom.net>
Replace hardcoded reserved memory ranges with auto-allocated ones
and enable MFC for all boards.
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Merge tag 'samsung-drivers-exynos-mfc-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt
Topic branch for Exynos MFC changes for v4.8, part 2:
Replace hardcoded reserved memory ranges with auto-allocated ones
and enable MFC for all boards.
* tag 'samsung-drivers-exynos-mfc-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: dts: exynos: enable MFC device for all boards
ARM: dts: exynos: move MFC reserved memory regions from boards to .dtsi
ARM: dts: exynos: replace hardcoded reserved memory ranges with auto-allocated ones
ARM: dts: exynos: Enable MFC device on Exynos4412 Odroid boards
ARM: dts: exynos: Convert MFC device to generic reserved memory bindings
ARM: EXYNOS: Remove code for MFC custom reserved memory handling
media: s5p-mfc: add iommu support
media: s5p-mfc: replace custom reserved memory handling code with generic one
media: s5p-mfc: use generic reserved memory bindings
of: reserved_mem: add support for using more than one region for given device
media: set proper max seg size for devices on Exynos SoCs
media: vb2-dma-contig: add helper for setting dma max seg size
s5p-mfc: Fix race between s5p_mfc_probe() and s5p_mfc_open()
s5p-mfc: Add release callback for memory region devs
s5p-mfc: Set device name for reserved memory region devs
Signed-off-by: Olof Johansson <olof@lixom.net>
This is a series of dtc warning fixes when compiled with make W=2
from Javier Martinez Canillas <javier@osg.samsung.com>.
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Merge tag 'omap-for-v4.8/dt-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Second set of device tree updates for omaps for v4.8 merge window.
This is a series of dtc warning fixes when compiled with make W=2
from Javier Martinez Canillas <javier@osg.samsung.com>.
* tag 'omap-for-v4.8/dt-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (27 commits)
ARM: dts: am57xx: sbc-am57x: remove unneded unit name
ARM: dts: omap5-board-common: remove unneded unit names
ARM: dts: omap5-cm-t54: remove unneded unit names and add reg properties
ARM: dts: am437x: cm-t43: remove unneded unit names
ARM: dts: am437x-gp-evm: remove unneded unit name
ARM: dts: am43xx-epos-evm: remove unneded unit name
ARM: dts: omap4-var-om44customboard: remove unneded unit name
ARM: dts: omap4-sdp: remove unneded unit names
ARM: dts: omap4-panda-common: remove unneded unit names
ARM: dts: omap4-duovero-parlor: remove unneded unit name
ARM: dts: omap3-thunder: remove unneded unit name
ARM: dts: sbc-t3x30: remove unneded unit names
ARM: dts: omap3-pandora-common: remove unneded unit name
ARM: dts: omap3-overo-common-dvi: remove unneded unit names
ARM: dts: omap3-igep0020-common: remove unneded unit names
ARM: dts: omap3: overo: remove unneded unit names in display nodes
ARM: dts: omap3-ha-lcd: remove unneeded unit name
ARM: dts: omap3-gta04: remove unneeded unit names
ARM: dts: omap3-devkit8000-lcd-common: remove unneeded unit names
ARM: dts: omap3-devkit8000: remove unneeded unit names
...
Signed-off-by: Olof Johansson <olof@lixom.net>
- A series of DSS platform_data fixes to prepare for DSS driver changes
- Add tblck clck aliases for PWM
- A series of trivial spelling corrections
- Remove bogus eQEP, ePWM and eCAP hwmod entries
- A series of McBSP sidetone fixes
- Remove QSPI and DSS addresses from hwmod, these come from dts
- Fix RSTST register offset for pruss
- Make ti81xx_rtc_hwmod static
- Remove wrongly defined RSTST offset for PER Domain, note
that the subject for this one wrongly has "dts" in the
subject
- Add support for omap5 and dra7 workaround for 801819
- A series of patches to make kexec work for SMP omaps
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Merge tag 'omap-for-v4.8/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
SoC related changes for omaps for v4.8 merge window:
- A series of DSS platform_data fixes to prepare for DSS driver changes
- Add tblck clck aliases for PWM
- A series of trivial spelling corrections
- Remove bogus eQEP, ePWM and eCAP hwmod entries
- A series of McBSP sidetone fixes
- Remove QSPI and DSS addresses from hwmod, these come from dts
- Fix RSTST register offset for pruss
- Make ti81xx_rtc_hwmod static
- Remove wrongly defined RSTST offset for PER Domain, note
that the subject for this one wrongly has "dts" in the
subject
- Add support for omap5 and dra7 workaround for 801819
- A series of patches to make kexec work for SMP omaps
* tag 'omap-for-v4.8/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (30 commits)
ARM: OMAP2+: Fix build if CONFIG_SMP is not set
ARM: OMAP4+: Allow kexec on SMP variants
ARM: OMAP4+: Reset CPU1 properly for kexec
ARM: OMAP4+: Prevent CPU1 related hang with kexec
ARM: OMAP4+: Initialize SAR RAM base early for proper CPU1 reset for kexec
ARM: dts: am43xx: Remove wrongly defined RSTST offset for PER Domain
ARM: OMAP: make ti81xx_rtc_hwmod static
ARM: AM43XX: hwmod: Fix RSTST register offset for pruss
ARM: DRA7: hwmod: remove DSS addresses from hwmod
ARM: DRA7: hwmod: Remove QSPI address space entry from hwmod
ARM: OMAP2+: McBSP: Remove the old iclk allow/deny idle code
ASoC: omap-mcbsp: sidetone: Use the new callback for iclk handling
ASoC: omap-mcbsp: Rename omap_mcbsp_sysfs_remove() to omap_mcbsp_cleanup()
ARM: OMAP3: pdata-quirks: Add support for McBSP2/3 sidetone handling
ARM: OMAP3: McBSP: New callback for McBSP2/3 ICLK idle configuration
ARM: OMAP3: hwmod data: Fix McBSP2/3 sidetone data
ARM: AM335x/AM437x: hwmod: Remove eQEP, ePWM and eCAP hwmod entries
ARM: OMAP2+: Fix typo in sdrc.h
ARM: OMAP2+: Fix typo in omap_device.c
ARM: OMAP2+: Fix typo in omap4-common.c
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Since the SP804 timer changes will not been merged upstream, switch the
default OX810SE config to the OXNAS RPS Timer driver configuration.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
- name the GPIO lines
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Merge tag 'hi6220-dt-for-4.8' of git://github.com/hisilicon/linux-hisi into next/dt64
ARM64: DT: Hisilicon Hi6220 hikey board updates for 4.8
- name the GPIO lines
* tag 'hi6220-dt-for-4.8' of git://github.com/hisilicon/linux-hisi:
arm64: dts: hikey: name the GPIO lines
Signed-off-by: Olof Johansson <olof@lixom.net>
- Enable TOUCHSCREEN_ADS7846, USB_FUNCTIONFS and USB_USBNET support
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Merge tag 'imx-defconfig-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/defconfig
The i.MX defconfig update for 4.8:
- Enable TOUCHSCREEN_ADS7846, USB_FUNCTIONFS and USB_USBNET support
* tag 'imx-defconfig-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx_v6_v7_defconfig: Select ADS7846 support
ARM: imx_v6_v7_defconfig: enable USB FFS gadget
ARM: imx_v6_v7_defconfig: build in usbnet to support NFS for non-ethernet board
Signed-off-by: Olof Johansson <olof@lixom.net>
of_node_put needs to be called when the device node which is got
from of_parse_phandle has finished using.
[Commit updated to fix an error by MyungJoo]
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
