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Add support for DRA7xx to the HDMI driver.
The HDMI block on DRA7xx is the same as on OMAP5, except we need to
enable and disable the HDMI PLL via the CONTROL module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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On DRA7xx, DISPC needs to write output signal polarities not only to a
DISPC register, like for all earlier DSS versions, but to control
module's CTRL_CORE_SMA_SW_1 register.
This patch adds support to write the polarities to control module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add DRA7xx support to DISPC driver. The DISPC block is the same as on
OMAP5, except the PLL's used for clocking are "videoX", not "dsiX".
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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DRA7xx SoCs have one (DRA72x) or two (DRA74x) video PLLs. They are
basically the same as DSI PLLs on OMAPs, but without the rest of the DSI
hardware. The video PLLs also require some configuration via the CONTROL
module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add functions which configure the control module register
CTRL_CORE_DSS_PLL_CONTROL found in DRA7xx SoCs. This register configures
whether the PLL registers are accessed internally by DSS, or externally
using OCP2SCP interface. They also configure muxes which route the PLL
output to a particular LCD overlay manager within DSS.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add base support for DRA7xx to DSS core.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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A race issue has been observed with the encoder-tpd12s015 driver, which
leads to errors when trying to read EDID. This has only now been
observed, as OMAP4 and OMAP5 boards used SoC's GPIOs for LS_OE GPIO. On
dra7-evm boards, the LS_OE is behind a i2c controlled GPIO expander,
which increases the time to set the LS_OE.
This patch simplifies the handling of the LS_OE gpio in the driver by
removing the interrupt handling totally. The only time we actually need
to enable LS_OE is when we are reading the EDID, and thus we can just
set and clear the LS_OE gpio inside the read_edid() function.
This also has the additional benefit of very slightly decreasing the
power consumption.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The OMAP5 HW supports directing DIGIT channel to DPI output, but the
driver doesn't support that. However, we have marked that configuration
as possible in the dss features, so in certain cases the driver tries to
use that configuration, leading to broken display.
Fix the problem by allowing DIGIT channel to go only to HDMI output.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The port arrays are constant data, so set them as 'const'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add a helper function to wait until the PLL's reset is done.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In some cases we need global identifiers for the DSS PLLs, for example
when configuring clock muxing on DRA7. For this purpose let's add a
'enum dss_pll_id'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The PPC_OF is a ppc specific option which is used to mean that the
firmware device tree access functions are available. Since all the
ppc platforms have a device tree, it is aways set to 'y' for ppc.
So it makes no sense to keep a such option in the current kernel.
Replace it with PPC.
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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So this has been merged originally in
commit 83052d4d5cd518332440bb4ee63d68bb5f744e0f
Author: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Thu Dec 15 15:40:55 2011 +0900
drm: Add multi buffer plane pixel formats
which hasn't seen a lot of review really. The problem is that it's not
a real pixel format, but just a different way to lay out NV12 pixels
in macroblocks, i.e. a tiling format.
The new way of doing this is with the soon-to-be-merged fb modifiers.
This was brough up in some long irc discussion around the entire
topic, as an example of where things have gone wrong. Luckily we can
correct the mistake:
- The kms side support for NV12MT is all dead code because
format_check in drm_crtc.c never accepted NV12MT.
- The gem side for the gsc support doesn't look better: The code
forgets to set the pixel format and makes a big mess with the tiling
mode bits, inadvertedly setting them all.
Conclusion: This never really worked (at least not in upstream) and
hence we can safely correct our mistake here.
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Rob Clark <robclark@freedesktop.org>
Cc: Daniel Stone <daniel@fooishbar.org>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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If the pin is in HiZ mode when it is requested as GPIO its value cannot be
read (it always returns 0). In order to cope with the Linux GPIO subsystem
where we do not have such state at all, turn the pin to be input instead.
Reported-by: Jerome Blin <jerome.blin@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch provides a simple mmc-pwrseq-emmc driver, which controls
single gpio line. It perform standard eMMC hw reset procedure, as
descibed by Jedec 4.4 specification. This procedure is performed just
after MMC core enabled power to the given mmc host (to fix possible
issues if bootloader has left eMMC card in initialized or unknown
state), and before performing complete system reboot (also in case of
emergency reboot call). The latter is needed on boards, which doesn't
have hardware reset logic connected to emmc card and (limited or broken)
ROM bootloaders are unable to read second stage from the emmc card if
the card is left in unknown or already initialized state.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Jonas Jensen wanted to submit a patch for these, but apparently
forgot about it. I stumbled over this symptom first:
drivers/built-in.o: In function `moxart_probe':
:(.text+0x2af128): undefined reference to `of_dma_request_slave_channel'
This is because of_dma_request_slave_channel is an internal helper
and not exported to loadable module. I'm changing the driver to
use dma_request_slave_channel_reason() instead.
Further problems from inspection:
* The remove function must not call kfree on the host pointer,
because it is allocated together with the mmc_host.
* The clock is never released
* The dma_cap_mask_t is completely unused and can be removed
* deferred probing does not work if the dma driver is loaded
after the mmc driver.
This patch should fix all of the above.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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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>
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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>
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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>
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Older machines with more then 16 domains need a special check before
PQAP instructions can be processed. With commit 5bc334bff9a6e189 this
check was reverted by accident. This patch re-establishes the additional
code needed for checking the extended domains for older machines.
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The 3.2 revision has a different target BMI
version so it wasn't recognized by ath10k (despite
the chip_id rev being on the supported list
already).
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Introduce an optional log level configuration for the existing debugfs fw_dbglog file. It
allows users to configure the desired log level for firmware dbglog messages.
To configure log level as WARN:
echo 0xffffffff 2 > /sys/kernel/debug/ieee80211/phy0/ath10k/fw_dbglog
The values are:
VERBOSE 0
INFO 1
WARN 2
ERR 3
Signed-off-by: SenthilKumar Jegadeesan <sjegadee@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Otherwise ath10k will just checksum everything even if it did not
go through the TCP/IP stack (for example bridged frames). In the worst
case this could mean recreating the checksum for incorrect data.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This should fix a very rare occurrence of the following deadlock:
[<ffffffffa018265e>] ath10k_wmi_tx_beacons_nowait+0x1e/0x50 [ath10k_core]
[<ffffffffa01829b6>] ath10k_wmi_op_ep_tx_credits+0x16/0x40 [ath10k_core]
[<ffffffffa017d685>] ath10k_htc_send+0x285/0x3d0 [ath10k_core]
[<ffffffffa0184b81>] ath10k_wmi_cmd_send_nowait+0x81/0x110 [ath10k_core]
[<ffffffffa0184c61>] ath10k_wmi_tx_beacon_nowait.part.33+0x51/0x90 [ath10k_core]
[<ffffffffa0184cd0>] ath10k_wmi_tx_beacons_iter+0x30/0x40 [ath10k_core]
[<ffffffff81882246>] __iterate_active_interfaces+0xa6/0x100
[<ffffffffa0184ca0>] ? ath10k_wmi_tx_beacon_nowait.part.33+0x90/0x90 [ath10k_core]
[<ffffffff818822ae>] ieee80211_iterate_active_interfaces_atomic+0xe/0x10
[<ffffffffa0182676>] ath10k_wmi_tx_beacons_nowait+0x36/0x50 [ath10k_core]
[<ffffffffa01829b6>] ath10k_wmi_op_ep_tx_credits+0x16/0x40 [ath10k_core]
[<ffffffffa017d140>] ath10k_htc_rx+0x280/0x410 [ath10k_core]
[<ffffffffa01bcbf0>] ? ath10k_ce_completed_recv_next+0x60/0x80 [ath10k_pci]
[<ffffffffa01bc6ab>] ath10k_pci_ce_recv_data+0x11b/0x1d0 [ath10k_pci]
[<ffffffffa01bcf44>] ath10k_ce_per_engine_service+0x64/0xc0 [ath10k_pci]
[<ffffffffa01bcfc2>] ath10k_ce_per_engine_service_any+0x22/0x50 [ath10k_pci]
[<ffffffffa01bc4d0>] ath10k_pci_tasklet+0x30/0x90 [ath10k_pci]
[<ffffffff81055a55>] tasklet_action+0xc5/0x100
To prevent this make sure to release ar->data_lock
while calling to ath10k_wmi_beacon_send_ref_nowait().
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The command logic shouldn't really care about
arvif structure.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Ath10k driver sets wrong default key idx that results in
sending unicast frames with multicast key.
The reason for this behavior is that cached broadcast key
is installed for station MAC address on association. After
dot1x completes, unicast key is installed for station
MAC address. Default key idx is set to broadcast key id when
driver tries to send broadcast frame. This causes firmware
to use broadcast key id to transmit unicast frames to stations.
Used TX_USAGE flag to set default key for stations.
Added callback for setting unicast default idx which will be
invoked on every default key idx configuration.
Signed-off-by: SenthilKumar Jegadeesan <sjegadee@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This reverts commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4.
Now that GSO functionality can correctly track if the fragment
id has been selected and select a fragment id if necessary,
we can re-enable UFO on tap/macvap and virtio devices.
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 5188cd44c55db3e92cd9e77a40b5baa7ed4340f7.
Now that GSO layer can track if fragment id has been selected
and can allocate one if necessary, we don't need to do this in
tap and macvtap. This reverts most of the code and only keeps
the new ipv6 fragment id generation function that is still needed.
Fixes: 3d0ad09412ff (drivers/net: Disable UFO through virtio)
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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it has just verified that it asks no more than the length of the
first segment of iovec.
And with that the last user of stuff in lib/iovec.c is gone.
RIP.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Nicholas A. Bellinger <nab@linux-iscsi.org>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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just advance the msg.msg_iter and be done with that.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Switch from passing msg->iov_iter.iov to passing msg itself
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband reverts from Roland Dreier:
"Last minute InfiniBand/RDMA changes for 3.19:
- Revert IPoIB driver back to 3.18 state. We had a number of fixes
go into 3.19, but they introduced regressions. We tried to get
everything fixed up but ran out of time, so we'll try again for
3.20.
- Similarly, turn off the new "extended query port" verb. Late in
the cycle we realized the ABI is not quite right, and rather than
freeze something in a rush and make a mistake, we'll take a bit
more time and get it right in 3.20"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/core: Temporarily disable ex_query_device uverb
Revert "IPoIB: Consolidate rtnl_lock tasks in workqueue"
Revert "IPoIB: Make the carrier_on_task race aware"
Revert "IPoIB: fix MCAST_FLAG_BUSY usage"
Revert "IPoIB: fix mcast_dev_flush/mcast_restart_task race"
Revert "IPoIB: change init sequence ordering"
Revert "IPoIB: Use dedicated workqueues per interface"
Revert "IPoIB: Make ipoib_mcast_stop_thread flush the workqueue"
Revert "IPoIB: No longer use flush as a parameter"
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Pull two fixes for md from Neil Brown:
- Another live lock, needs backporting
- work-around false positive with new warnings.
* tag 'md/3.19-fixes' of git://neil.brown.name/md:
md/bitmap: fix a might_sleep() warning.
md/raid5: fix another livelock caused by non-aligned writes.
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Make of_property_read_u64_array() available for modules as well. This was
missing from the patch which originally added the function.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Rob Herring <robh@kernel.org>
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Some AMD CS553x devices have read-only BARs because of a firmware or
hardware defect. There's a workaround in quirk_cs5536_vsa(), but it no
longer works after 36e8164882ca ("PCI: Restore detection of read-only
BARs"). Prior to 36e8164882ca, we filled in res->start; afterwards we
leave it zeroed out. The quirk only updated the size, so the driver tried
to use a region starting at zero, which didn't work.
Expand quirk_cs5536_vsa() to read the base addresses from the BARs and
hard-code the sizes.
On Nix's system BAR 2's read-only value is 0x6200. Prior to 36e8164882ca,
we interpret that as a 512-byte BAR based on the lowest-order bit set. Per
datasheet sec 5.6.1, that BAR (MFGPT) requires only 64 bytes; use that to
avoid clearing any address bits if a platform uses only 64-byte alignment.
[bhelgaas: changelog, reduce BAR 2 size to 64]
Fixes: 36e8164882ca ("PCI: Restore detection of read-only BARs")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=85991#c4
Link: http://support.amd.com/TechDocs/31506_cs5535_databook.pdf
Link: http://support.amd.com/TechDocs/33238G_cs5536_db.pdf
Reported-and-tested-by: Nix <nix@esperi.org.uk>
Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v.2.6.27+
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Adding PCI device IDs and hooks in workarounds for Broadwell DE ioatdma.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next
Freescale updates from Scott:
"Highlights include 8xx optimizations, some more work on datapath device
tree content, e300 machine check support, t1040 corenet error reporting,
and various cleanups and fixes."
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We have a drivers/input layer for Synaptics products and nothing should now
be using the staging driver.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The I2O layer deals with a technology that to say the least didn't catch on
in the market.
The only relevant products are some of the AMI MegaRAID - which supported I2O
and its native mode (The native mode is faster and runs on Linux), an
obscure crypto ethernet card that's now so many years out of date nobody
would use it, the old DPT controllers, which speak their own dialect and
have their own driver - and ermm.. thats about it.
We also know the code isn't in good shape as recently a patch was proposed
and queried as buggy, which in turn showed the existing code was broken
already by prior "clean up" and nobody had noticed that either.
It's coding style robot code nothing more. Like some forgotten corridor
cleaned relentlessly by a lost Roomba but where no user has trodden in years.
Move it to staging and then to /dev/null.
The headers remain as they are shared with dpt_i2o.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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sprop is unused in find_console_handle() since commit a752ee56ad84
("tty: Update hypervisor tty drivers to use core stdout parsing code.")
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The general agreed way to specify a fixed line number
for a serial console is to provide a "serial" alias
in the devicetree. Start parsing this property in
of_serial.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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According to the classification, the type of replicator
is link, so the subtype should also be link_subtype.
Signed-off-by: Kaixu Xia <xiakaixu@huawei.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If a MCB PCI Carrier device is IO mapped insted of memory-mapped (which is
currently unsupported by the upstream driver) the probe function bails out
with -ENOTSUPP.
In this case the memory of the PCI device was not unmapped.
Also rename error label to reflect what will happen at the destination (suggested
by Julia Lawall <julia.lawall@lip6.fr>.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some devices might not implement config space access
(e.g. remoteproc used not to - before 3.9).
virtio/console needs config space access so make it
fail gracefully if not there.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The big issue here is:
of_property_read_u32(np, "flow_cntrl", (u32 *)&dt_pdata->flow_cntrl);
"->flow_cntrl" is a char so when we write a 32 bit number to it then it
corrupts past the end of the char. It's probably hard to notice because
the struct has padding so the code works on little endian systems. But
on a big endian system the code would fail and on a 64 bit, big endian
systems then "nshutdown_gpio" and "baud_rate" would be buggy as well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We might enter the interrupt handler with hw_ready already set,
but prior we actually started the reset flow.
To soleve this we move the reset release from the interrupt handler
to the HW start wait function which is part of the reset sequence.
Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We should mask interrupt set bit when writing back
hcsr value in reset bit clean-up.
This is refinement for
mei: clean reset bit before reset
commit b13a65ef190e488e2761d65bdd2e1fe8a3a125f5
Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When tapping a clickpad with two fingers, there is a chance that the sensor
sees first only one finger, and at the next scan only the second one. In
this case, the sensors says that there has been only one finger on the
clickpad, which moved really fast between two scans.
We can try to counter this by adding a limit to what an actual finger can
move between 2 scans. A distance of 1cm between two scans for one finger
seems reasonable. However, this is not really accurate because the
resolution in X and in Y differs. But heh, that's how the in-kernel
tracking works right now, and its job is quite good, even with this
approximation.
This parameter solves most of the jumps observed, not all of them however.
But this is a hardware defect, and we might not be able to get something
better without much heavier computations.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=76722
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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