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Olof Johansson
0914acd87f ARM: DT: Hisilicon ARM32 SoCs updates for v5.3
- Updated CoreSight funnel and replicator using new bindings to fix warning
   for the hip04.
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Merge tag 'hisi-arm32-dt-for-5.3' of git://github.com/hisilicon/linux-hisi into arm/dt

ARM: DT: Hisilicon ARM32 SoCs updates for v5.3

- Updated CoreSight funnel and replicator using new bindings to fix warning
  for the hip04.

* tag 'hisi-arm32-dt-for-5.3' of git://github.com/hisilicon/linux-hisi:
  ARM: dts: hip04: Update coresight DT bindings

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-06-25 04:30:50 -07:00
Olof Johansson
80f7f92c16 ARM64: DT: Hisilicon SoCs DT updates for v5.3
* Hi3660 SoC and related boards:
   - Added CoreSight trace components
 
 * Hi6220 SoC and related boards:
   - Updated CoreSight funnel and replicator using new bindings to fix warning
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Merge tag 'hisi-arm64-dt-for-5.3' of git://github.com/hisilicon/linux-hisi into arm/dt

ARM64: DT: Hisilicon SoCs DT updates for v5.3

* Hi3660 SoC and related boards:
  - Added CoreSight trace components

* Hi6220 SoC and related boards:
  - Updated CoreSight funnel and replicator using new bindings to fix warning

* tag 'hisi-arm64-dt-for-5.3' of git://github.com/hisilicon/linux-hisi:
  arm64: dts: hi3660: Add CoreSight support
  arm64: dts: hi6220: Update coresight DT bindings

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-06-25 04:30:13 -07:00
Olof Johansson
e73f65930f i.MX fixes for 5.2, round 3:
- A recent testing by Sébastien discovers that the PWM interrupts of
    i.MX6UL were wrongly coded in device tree.  It's a fix for it.
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Merge tag 'imx-fixes-5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.2, round 3:
 - A recent testing by Sébastien discovers that the PWM interrupts of
   i.MX6UL were wrongly coded in device tree.  It's a fix for it.

* tag 'imx-fixes-5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6ul: fix PWM[1-4] interrupts

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-06-25 04:20:08 -07:00
Olof Johansson
4232db2e2a ARM: dts: Amlogic fixes for v5.2-rc
- fix GPU interrupts and operating voltage
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Merge tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes

ARM: dts: Amlogic fixes for v5.2-rc
- fix GPU interrupts and operating voltage

* tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM: dts: meson8b: fix the operating voltage of the Mali GPU
  ARM: dts: meson8b: drop undocumented property from the Mali GPU node
  ARM: dts: meson8: fix GPU interrupts and drop an undocumented property

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-06-25 04:19:26 -07:00
Marcin Juszkiewicz
e737f13b50 arm64 defconfig: enable LVM support
W dniu 19.06.2019 o 16:21, Olof Johansson pisze:
> On Mon, Jun 17, 2019 at 06:04:09PM +0200, Marcin Juszkiewicz wrote:
>> Follow x86-64 defconfig on enabling basic LVM support.
>>
>> Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
>
> Do you need this to be =y? If you use LVM, you usually boot with a ramdisk that
> will hold modules.

Right. Forgot to change.

From 63003d0047062949a1231f67e1efdcb96b54323a Mon Sep 17 00:00:00 2001
From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Date: Mon, 27 May 2019 20:14:34 +0200
Subject: [PATCH 1/3] arm64 defconfig: enable LVM support

Follow x86-64 defconfig on enabling basic LVM support.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2019-06-25 04:17:53 -07:00
Olof Johansson
98d70a5cd9 This pull request contain Broadcom ARM-based SoCs Device Tree changes
for 5.3 please pull the following:
 
 - Lukas enables DMA support for the BCM2835 (Raspberry Pi) SPI
   controller
 
 - Florian fixes a number of dtc W=1 warnings in the Broadcom DTS files
   and provides a fix for devices failing to boot after the removal of
   skelton.dtsi (that commit has been submitted as a separate fix)
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Merge tag 'arm-soc/for-5.3/devicetree-v2' of https://github.com/Broadcom/stblinux into arm/dt

This pull request contain Broadcom ARM-based SoCs Device Tree changes
for 5.3 please pull the following:

- Lukas enables DMA support for the BCM2835 (Raspberry Pi) SPI
  controller

- Florian fixes a number of dtc W=1 warnings in the Broadcom DTS files
  and provides a fix for devices failing to boot after the removal of
  skelton.dtsi (that commit has been submitted as a separate fix)

* tag 'arm-soc/for-5.3/devicetree-v2' of https://github.com/Broadcom/stblinux:
  ARM: dts: BCM5301X: Fix most DTC W=1 warnings
  ARM: dts: NSP: Fix the bulk of W=1 DTC warnings
  ARM: dts: BCM63xx: Fix DTC W=1 warnings
  ARM: dts: BCM53573: Fix DTC W=1 warnings
  ARM: dts: bcm-mobile: Fix most DTC W=1 warnings
  ARM: dts: Cygnus: Fix most DTC W=1 warnings
  ARM: dts: Fix BCM7445 DTC warnings
  ARM: bcm283x: Enable DMA support for SPI controller
  ARM: dts: bcm: Add missing device_type = "memory" property

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-06-25 04:15:53 -07:00
Dmitry Osipenko
d22b85a1b9
regulator: core: Expose some of core functions needed by couplers
Expose some of internal functions that are required for implementation of
customized regulator couplers.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-06-25 12:15:35 +01:00
Dmitry Osipenko
d8ca7d184b
regulator: core: Introduce API for regulators coupling customization
Right now regulator core supports only one type of regulators coupling,
the "voltage max-spread" which keeps voltages of coupled regulators in a
given range from each other. A more sophisticated coupling may be required
in practice, one example is the NVIDIA Tegra SoCs which besides the
max-spreading have other restrictions that must be adhered. Introduce API
that allow platforms to provide their own customized coupling algorithms.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-06-25 12:15:32 +01:00
Curtis Malainey
24043d60ff
ASoC: rt5677: depop stereo dac
Upon enabling the ASRC DAC we need a delay to avoid popping the
speakers.

Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
Cc: Ross Zwisler <zwisler@chromium.org>
Tested-by: Ross Zwisler <zwisler@google.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-06-25 12:11:55 +01:00
Nicholas Piggin
e13e7cd4c0 powerpc/64s/exception: Fix machine check early corrupting AMR
The early machine check runs in real mode, so locking is unnecessary.
Worse, the windup does not restore AMR, so this can result in a false
KUAP fault after a recoverable machine check hits inside a user copy
operation.

Fix this similarly to HMI by just avoiding the kuap lock in the
early machine check handler (it will be set by the late handler that
runs in virtual mode if that runs). If the virtual mode handler is
reached, it will lock and restore the AMR.

Fixes: 890274c2dc ("powerpc/64s: Implement KUAP for Radix MMU")
Cc: Russell Currey <ruscur@russell.cc>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2019-06-25 21:04:27 +10:00
Lionel Landwerlin
8dcfdfb450 drm/i915/perf: fix ICL perf register offsets
We got the wrong offsets (could they have changed?). New values were
computed off an error state by looking up the register offset in the
context image as written by the HW.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 1de401c08f ("drm/i915/perf: enable perf support on ICL")
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190610081914.25428-1-lionel.g.landwerlin@intel.com
2019-06-25 14:03:05 +03:00
Lorenzo Bianconi
2dcb79cde6 mt76: mt7615: do not process rx packets if the device is not initialized
Fix following crash that occurs when the driver is processing rx packets
while the device is not initialized yet

$ rmmod mt7615e
[   67.210261] mt7615e 0000:01:00.0: Message -239 (seq 2) timeout
$ modprobe mt7615e
[   72.406937] bus=0x1, slot = 0x0, irq=0x16
[   72.436590] CPU 0 Unable to handle kernel paging request at virtual address 00000004, epc == 8eec4240, ra == 8eec41e0
[   72.450291] mt7615e 0000:01:00.0: Firmware is not ready for download
[   72.457724] Oops[#1]:
[   72.470494] mt7615e: probe of 0000:01:00.0 failed with error -5
[   72.474829] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.114 #0
[   72.498702] task: 805769e0 task.stack: 80564000
[   72.507709] $ 0   : 00000000 00000001 00000000 00000001
[   72.518106] $ 4   : 8f704dbc 00000000 00000000 8f7046c0
[   72.528500] $ 8   : 00000024 8045e98c 81210008 11000000
[   72.538895] $12   : 8fc09f60 00000008 00000019 00000033
[   72.549289] $16   : 8f704d80 e00000ff 8f0c7800 3c182406
[   72.559684] $20   : 00000006 8ee615a0 4e000108 00000000
[   72.570078] $24   : 0000004c 8000cf94
[   72.580474] $28   : 80564000 8fc09e38 00000001 8eec41e0
[   72.590869] Hi    : 00000001
[   72.596582] Lo    : 00000000
[   72.602319] epc   : 8eec4240 mt7615_mac_fill_rx+0xac/0x494 [mt7615e]
[   72.614953] ra    : 8eec41e0 mt7615_mac_fill_rx+0x4c/0x494 [mt7615e]
[   72.627580] Status: 11008403 KERNEL EXL IE
[   72.635899] Cause : 40800008 (ExcCode 02)
[   72.643860] BadVA : 00000004
[   72.649573] PrId  : 0001992f (MIPS 1004Kc)
[   72.657704] Modules linked in: mt7615e pppoe ppp_async pppox ppp_generic nf_conntrack_ipv6 mt76x2e mt76x2_common mt76x02_lib mt7603e mt76 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_mu]
[   72.792717] Process swapper/0 (pid: 0, threadinfo=80564000, task=805769e0, tls=00000000)
[   72.808799] Stack : 8f0c7800 00000800 8f0c7800 8032b874 00000000 40000000 8f704d80 8ee615a0
[   72.825428]         8dc88010 00000001 8ee615e0 8eec09b0 8dc88010 8032b914 8f3aee80 80567d20
[   72.842055]         00000000 8ee615e0 40000000 8f0c7800 00000108 8eec9944 00000000 00000000
[   72.858682]         80508f10 80510000 00000001 80567d20 8ee615a0 00000000 00000000 8ee61c00
[   72.875308]         8ee61c40 00000040 80610000 80580000 00000000 8ee615dc 8ee61a68 00000001
[   72.891936]         ...
[   72.896793] Call Trace:
[   72.901649] [<8eec4240>] mt7615_mac_fill_rx+0xac/0x494 [mt7615e]
[   72.913602] [<8eec09b0>] mt7615_queue_rx_skb+0xe4/0x12c [mt7615e]
[   72.925734] [<8eec9944>] mt76_dma_cleanup+0x390/0x42c [mt76]
[   72.936988] Code: ae020018  8ea20004  24030001 <94420004> a602002a  8ea20004  90420000  14430003  a2020034
[   72.956390]
[   72.959676] ---[ end trace f176967739edb19f ]---

Fixes: 04b8e65922 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
4a8c99c737 mt76: mt76x02: fix edcca file permission
Use 0600 as edcca file permission in mt76x02 debugfs

Fixes: 643749d4a8 ("mt76: mt76x02: disable ED/CCA by default")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
984d885437 mt76: mt7603: add debugfs knob to enable/disable edcca
Introduce a knob in mt7603 debugfs in order to enable/disable
energy detection based on CCA thresholds

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
8aac454dbb mt76: mt76x02: run mt76x02_edcca_init atomically in mt76_edcca_set
Run mt76x02_edcca_init atomically in mt76_edcca_set since it runs
concurrently with calibration work and mt76x2_set_channel.
Moreover perform phy calibration atomically

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
6e4caaea99 mt76: mt76x2: move mutex_lock inside mt76x2_set_channel
This is a preliminary patch to run mt76x02_edcca_init atomically

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
8424814342 mt76: mt76x2u: remove mt76x02_edcca_init in mt76x2u_set_channel
Remove mt76x02_edcca_init in mt76x2u_set_channel since it is already
run by mt76x2u_phy_channel_calibrate performing channel calibration

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
a78f15471c mt76: mt76x02: remove enable from mt76x02_edcca_init signature
Remove enable parameter from mt76x02_edcca_init routine signature since
it is always true

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
f9e5b885fa mt76: mt7615: add static qualifier to mt7615_rx_poll_complete
Make mt7615_rx_poll_complete static since it is used just in pci.c
to initialize rx_poll_complete function pointer

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
132191a8b8 mt76: mt7615: rearrange cleanup operations in mt7615_unregister_device
Cleanup tx/rx napi before releasing pending idrs.
Moreover unmap txwi_cache running mt76_free_device routine

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
c38cbba4ca mt76: mt7603: stop mac80211 queues before setting the channel
Suspend data transmission during channel switch

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:27 +02:00
Lorenzo Bianconi
b28248ec91 mt7615: mcu: run __mt76_mcu_send_msg in mt7615_mcu_send_firmware
Run __mt76_mcu_send_msg instead of __mt7615_mcu_msg_send and remove
duplicated code.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
5d15f2ea16 mt7615: mcu: init mcu_restart function pointer
Use common function wrapper in mt7615_mcu_exit since the code is shared
with m7603 driver

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
a3a2c2e79c mt7615: initialize mt76_mcu_ops data structure
Use __mt76_mcu_send_msg wrapper instead of mt7615_mcu_msg_send.
This is a preliminary patch for mt7615-mt7603 mcu code unification

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
516c3e3805 mt7615: mcu: use standard signature for mt7615_mcu_msg_send
Use mt76 common signature for mt7615_mcu_msg_send. Move skb allocation
in mt7615_mcu_msg_send and remove duplicated code. Remove
__mt7615_mcu_set_wtbl and __mt7615_mcu_set_sta_rec since now are used
just to send mcu msgs.  This is a preliminary patch for mt7615-mt7603 mcu
code unification

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
eb2024b087 mt7615: mcu: remove unused structure in mcu.h
Remove following struct no longer used:
- dev_info
- bss_info
- bss_info_tag_handler

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
1ca8089a55 mt7615: mcu: do not use function pointers whenever possible
Remove function pointers in mt7615_mcu_set_bss_info and run function
directly. Moreover remove __mt7615_mcu_set_bss_info since it is run just
by mt7615_mcu_set_bss_info and remove duplicated istructions

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
fddc827ffc mt7615: mcu: unify __mt7615_mcu_set_dev_info and mt7615_mcu_set_dev_info
Unify mt7615_mcu_set_dev_info and __mt7615_mcu_set_dev_info since the
latter is run just by mt7615_mcu_set_dev_info

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
893369b769 mt7615: mcu: remove skb_ret from mt7615_mcu_msg_send
Remove skb_ret parameter from mt7615_mcu_msg_send signature since it is
actually used just by mt7615_mcu_patch_sem_ctrl. This is a prelimanry
patch to use mt76 common mcu API

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
33d9ed728e mt7615: remove dest from mt7615_mcu_msg_send signature
Remove dest parameter from mt7615_mcu_msg_send/__mt7615_mcu_msg_send
routine signature since it can is always set to MCU_S2D_H2N

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
27da3bfd31 mt7615: remove query from mt7615_mcu_msg_send signature
Remove query parameter from mt7615_mcu_msg_send routine signature since
it can be obtained from cmd value

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
b1722925d2 mt7615: mcu: remove unused parameter in mt7615_mcu_del_wtbl
Remove unused vif parameter in mt7615_mcu_del_wtbl signature

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
598a44344f mt7615: mcu: unify mt7615_mcu_add_wtbl_bmc and mt7615_mcu_del_wtbl_bmc
Remove duplicated code in mt7615_bss_info_changed

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
d7228bcf7b mt7615: mcu: use proper msg size in mt7615_mcu_add_wtbl
Use proper mcu message size in mt7615_mcu_add_wtbl and do not
allocate a huge buffer. Moreover use stack memory instead of heap one

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
77eaa281c2 mt7615: mcu: use proper msg size in mt7615_mcu_add_wtbl_bmc
Use proper mcu message size in mt7615_mcu_add_wtbl_bmc and do not
allocate a huge buffer. Moreover use stack memory instead of heap one

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:26 +02:00
Lorenzo Bianconi
b876457c6a mt7615: mcu: remove bss_info_convert_vif_type routine
Remove bss_info_convert_vif_type routine since it is run just in
mt7615_mcu_set_bss_info and the switch over vif->type is already there.
Simplify mt7615_mcu_set_bss_info routine

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Lorenzo Bianconi
0467448d2e mt7615: mcu: simplify __mt7615_mcu_set_sta_rec
Do not loop over cmd payload in __mt7615_mcu_set_sta_rec since it is
already done in before running __mt7615_mcu_set_sta_rec (e.g.
mt7615_mcu_set_sta_rec)

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Lorenzo Bianconi
8e309f7dc7 mt7615: mcu: simplify __mt7615_mcu_set_wtbl
Do not loop over cmd payload in __mt7615_mcu_set_wtbl since it is
already done in before running __mt7615_mcu_set_wtbl (e.g.
mt7615_mcu_set_wtbl_key)

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
YueHaibing
fd5f65c552 mt76: mt7615: Make mt7615_irq_handler static
Fix sparse warning:

drivers/net/wireless/mediatek/mt76/mt7615/pci.c:37:13:
 warning: symbol 'mt7615_irq_handler' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Dan Carpenter
9db1aec0c2 mt76: mt7615: Use after free in mt7615_mcu_set_bcn()
We dereference "skb" when we assign:

	req.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
                                                ^^^^^^^^
So this patch just moves the dev_kfree_skb() down a bit to avoid the
use after free.

Fixes: 04b8e65922 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Dan Carpenter
b1571a0e77 mt76: Fix a signedness bug in mt7615_add_interface()
The problem is that "mvif->omac_idx" is a u8 so it can't be negative
and the error handling won't work.  The get_omac_idx() function returns
-1 on error.

Fixes: 04b8e65922 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Lorenzo Bianconi
4875e34679 mt76: move netif_napi_del in mt76_dma_cleanup
Move netif_napi_del in mt76_dma_cleanup routine since it is done
by all drivers

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Lorenzo Bianconi
8357f0dcd8 mt76: mt7615: use napi polling for tx cleanup
This allows tx scheduling and tx cleanup to run concurrently

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Lorenzo Bianconi
9e63f5e76b mt76: mt7603: use napi polling for tx cleanup
This allows tx scheduling and tx cleanup to run concurrently

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Lorenzo Bianconi
8402650aa7 mt76: move tx_napi in mt76_dev
Move tx_napi in mt76_dev data structure in order to implement
concurrency between tx scheduling and tx cleanup in mt7603 and mt7615
drivers

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Lorenzo Bianconi
c15b0f7cd0 mt76: mt76x02: remove useless return in mt76x02_resync_beacon_timer
Remove useless return statment in mt76x02_resync_beacon_timer routine

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-06-25 12:55:25 +02:00
Nick Crews
1d333ef3d5 platform/chrome: wilco_ec: Add circular buffer as event queue
The current implementation of the event queue both
wastes space using a doubly linked list and isn't super
obvious in how it behaves. This converts the queue to an
actual circular buffer. The size of the queue is a
tunable module parameter. This also fixes a few other things:

- A memory leak that occurred when the ACPI device was
  removed, but the events were not freed from the queue.
- Now kfree() the oldest event from outside all locks.
- Add newline to logging messages.
- Add helper macros to calculate size of events.
- Remove unneeded lock around a check for dev_data->exist
  in hangup_device().
- Remove an unneeded null event pointer check in enqueue_events().
- Correct some comments.

Signed-off-by: Nick Crews <ncrews@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
2019-06-25 12:33:05 +02:00
Kenneth Graunke
f9a393875d drm/i915: Disable SAMPLER_STATE prefetching on all Gen11 steppings.
The Demand Prefetch workaround (binding table prefetching) only applies
to Icelake A0/B0.  But the Sampler Prefetch workaround needs to be
applied to all Gen11 steppings, according to a programming note in the
SARCHKMD documentation.

Using the Intel Gallium driver, I have seen intermittent failures in
the dEQP-GLES31.functional.copy_image.non_compressed.* tests.  After
applying this workaround, the tests reliably pass.

v2: Remove the overlap with a pre-production w/a

BSpec: 9663
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190625090655.19220-1-chris@chris-wilson.co.uk
2019-06-25 10:57:21 +01:00
Masahiro Yamada
ec6516bfba pinctrl: remove unneeded #ifdef around declarations
What is the point in surrounding the whole of declarations with
ifdef like this?

  #ifdef CONFIG_FOO
  int foo(void);
  #endif

If CONFIG_FOO is not defined, all callers of foo() will fail
with implicit declaration errors since the top Makefile adds
-Werror-implicit-function-declaration to KBUILD_CFLAGS.

This breaks the build earlier when you are doing something wrong.
That's it.

Anyway, it will fail to link since the definition of foo() is not
compiled.

In summary, these ifdef are unneeded.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-06-25 10:49:18 +02:00
Anson Huang
d9c238c5a6 pinctrl: freescale: Add i.MX8MN pinctrl driver support
Add the pinctrl driver support for i.MX8MN.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-06-25 10:40:23 +02:00