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This is the 5.0.7 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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[ Upstream commit 51294bf6b9e897d595466dcda5a3f2751906a200 ]
On cases where device tree entries for fuse and clock provider are in
different order, fuse driver needs to defer probing. This leads to
freeing incorrect IO base address as the fuse->base variable gets
overwritten once during first probe invocation. This leads to the
following spew during boot:
[ 3.082285] Trying to vfree() nonexistent vm area (00000000cfe8fd94)
[ 3.082308] WARNING: CPU: 5 PID: 126 at /hdd/l4t/kernel/stable/mm/vmalloc.c:1511 __vunmap+0xcc/0xd8
[ 3.082318] Modules linked in:
[ 3.082330] CPU: 5 PID: 126 Comm: kworker/5:1 Tainted: G S 4.19.7-tegra-gce119d3 #1
[ 3.082340] Hardware name: quill (DT)
[ 3.082353] Workqueue: events deferred_probe_work_func
[ 3.082364] pstate: 40000005 (nZcv daif -PAN -UAO)
[ 3.082372] pc : __vunmap+0xcc/0xd8
[ 3.082379] lr : __vunmap+0xcc/0xd8
[ 3.082385] sp : ffff00000a1d3b60
[ 3.082391] x29: ffff00000a1d3b60 x28: 0000000000000000
[ 3.082402] x27: 0000000000000000 x26: ffff000008e8b610
[ 3.082413] x25: 0000000000000000 x24: 0000000000000009
[ 3.082423] x23: ffff000009221a90 x22: ffff000009f6d000
[ 3.082432] x21: 0000000000000000 x20: 0000000000000000
[ 3.082442] x19: ffff000009f6d000 x18: ffffffffffffffff
[ 3.082452] x17: 0000000000000000 x16: 0000000000000000
[ 3.082462] x15: ffff0000091396c8 x14: 0720072007200720
[ 3.082471] x13: 0720072007200720 x12: 0720072907340739
[ 3.082481] x11: 0764076607380765 x10: 0766076307300730
[ 3.082491] x9 : 0730073007300730 x8 : 0730073007280720
[ 3.082501] x7 : 0761076507720761 x6 : 0000000000000102
[ 3.082510] x5 : 0000000000000000 x4 : 0000000000000000
[ 3.082519] x3 : ffffffffffffffff x2 : ffff000009150ff8
[ 3.082528] x1 : 3d95b1429fff5200 x0 : 0000000000000000
[ 3.082538] Call trace:
[ 3.082545] __vunmap+0xcc/0xd8
[ 3.082552] vunmap+0x24/0x30
[ 3.082561] __iounmap+0x2c/0x38
[ 3.082569] tegra_fuse_probe+0xc8/0x118
[ 3.082577] platform_drv_probe+0x50/0xa0
[ 3.082585] really_probe+0x1b0/0x288
[ 3.082593] driver_probe_device+0x58/0x100
[ 3.082601] __device_attach_driver+0x98/0xf0
[ 3.082609] bus_for_each_drv+0x64/0xc8
[ 3.082616] __device_attach+0xd8/0x130
[ 3.082624] device_initial_probe+0x10/0x18
[ 3.082631] bus_probe_device+0x90/0x98
[ 3.082638] deferred_probe_work_func+0x74/0xb0
[ 3.082649] process_one_work+0x1e0/0x318
[ 3.082656] worker_thread+0x228/0x450
[ 3.082664] kthread+0x128/0x130
[ 3.082672] ret_from_fork+0x10/0x18
[ 3.082678] ---[ end trace 0810fe6ba772c1c7 ]---
Fix this by retaining the value of fuse->base until driver has
successfully probed.
Signed-off-by: Timo Alho <talho@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8cd09a3dd3e176c62da67efcd477a44a8d87185e ]
If of_platform_populate() fails in gsbi_probe(),
gsbi->hclk is left undisabled.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.0.4 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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commit baef1c90aac7e5bf13f0360a3b334825a23d31a1 upstream.
Using the batch API from the interconnect driver sometimes leads to a
KASAN error due to an access to freed memory. This is easier to trigger
with threadirqs on the kernel commandline.
BUG: KASAN: use-after-free in rpmh_tx_done+0x114/0x12c
Read of size 1 at addr fffffff51414ad84 by task irq/110-apps_rs/57
CPU: 0 PID: 57 Comm: irq/110-apps_rs Tainted: G W 4.19.10 #72
Call trace:
dump_backtrace+0x0/0x2f8
show_stack+0x20/0x2c
__dump_stack+0x20/0x28
dump_stack+0xcc/0x10c
print_address_description+0x74/0x240
kasan_report+0x250/0x26c
__asan_report_load1_noabort+0x20/0x2c
rpmh_tx_done+0x114/0x12c
tcs_tx_done+0x450/0x768
irq_forced_thread_fn+0x58/0x9c
irq_thread+0x120/0x1dc
kthread+0x248/0x260
ret_from_fork+0x10/0x18
Allocated by task 385:
kasan_kmalloc+0xac/0x148
__kmalloc+0x170/0x1e4
rpmh_write_batch+0x174/0x540
qcom_icc_set+0x8dc/0x9ac
icc_set+0x288/0x2e8
a6xx_gmu_stop+0x320/0x3c0
a6xx_pm_suspend+0x108/0x124
adreno_suspend+0x50/0x60
pm_generic_runtime_suspend+0x60/0x78
__rpm_callback+0x214/0x32c
rpm_callback+0x54/0x184
rpm_suspend+0x3f8/0xa90
pm_runtime_work+0xb4/0x178
process_one_work+0x544/0xbc0
worker_thread+0x514/0x7d0
kthread+0x248/0x260
ret_from_fork+0x10/0x18
Freed by task 385:
__kasan_slab_free+0x12c/0x1e0
kasan_slab_free+0x10/0x1c
kfree+0x134/0x588
rpmh_write_batch+0x49c/0x540
qcom_icc_set+0x8dc/0x9ac
icc_set+0x288/0x2e8
a6xx_gmu_stop+0x320/0x3c0
a6xx_pm_suspend+0x108/0x124
adreno_suspend+0x50/0x60
cr50_spi spi5.0: SPI transfer timed out
pm_generic_runtime_suspend+0x60/0x78
__rpm_callback+0x214/0x32c
rpm_callback+0x54/0x184
rpm_suspend+0x3f8/0xa90
pm_runtime_work+0xb4/0x178
process_one_work+0x544/0xbc0
worker_thread+0x514/0x7d0
kthread+0x248/0x260
ret_from_fork+0x10/0x18
The buggy address belongs to the object at fffffff51414ac80
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 260 bytes inside of
512-byte region [fffffff51414ac80, fffffff51414ae80)
The buggy address belongs to the page:
page:ffffffbfd4505200 count:1 mapcount:0 mapping:fffffff51e00c680 index:0x0 compound_mapcount: 0
flags: 0x4000000000008100(slab|head)
raw: 4000000000008100 ffffffbfd4529008 ffffffbfd44f9208 fffffff51e00c680
raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
fffffff51414ac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
fffffff51414ad00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>fffffff51414ad80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
fffffff51414ae00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
fffffff51414ae80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
The batch API sets the same completion for each rpmh message that's sent
and then loops through all the messages and waits for that single
completion declared on the stack to be completed before returning from
the function and freeing the message structures. Unfortunately, some
messages may still be in process and 'stuck' in the TCS. At some later
point, the tcs_tx_done() interrupt will run and try to process messages
that have already been freed at the end of rpmh_write_batch(). This will
in turn access the 'needs_free' member of the rpmh_request structure and
cause KASAN to complain. Furthermore, if there's a message that's
completed in rpmh_tx_done() and freed immediately after the complete()
call is made we'll be racing with potentially freed memory when
accessing the 'needs_free' member:
CPU0 CPU1
---- ----
rpmh_tx_done()
complete(&compl)
wait_for_completion(&compl)
kfree(rpm_msg)
if (rpm_msg->needs_free)
<KASAN warning splat>
Let's fix this by allocating a chunk of completions for each message and
waiting for all of them to be completed before returning from the batch
API. Alternatively, we could wait for the last message in the batch, but
that may be a more complicated change because it looks like
tcs_tx_done() just iterates through the indices of the queue and
completes each message instead of tracking the last inserted message and
completing that first.
Fixes: c8790cb6da58 ("drivers: qcom: rpmh: add support for batch RPMH request")
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: "Raju P.L.S.S.S.N" <rplsssn@codeaurora.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Cc: stable@vger.kernel.org
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The ASPEED BMC SoCs have many knobs and switches that are sometimes
design-specific and often defy any approach to unify them under an
existing subsystem.
Add a driver to translate a devicetree table into sysfs entries to
expose bits and fields for manipulation from userspace. This encompasses
concepts from scratch registers to boolean conditions to enable or
disable host interface features.
OpenBMC-Staging-Count: 5
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/fixes
soc/fsl fixes for v5.0
- qbman: avoid missing interrupts by only clearing processed events
* tag 'soc-fsl-fix-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc: fsl: qbman: avoid race in clearing QMan interrupt
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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By clearing all interrupt sources, not only those that
already occurred, the existing code may acknowledge by
mistake interrupts that occurred after the code checks
for them.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
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Pull networking fixes from David Miller:
1) Fix regression in multi-SKB responses to RTM_GETADDR, from Arthur
Gautier.
2) Fix ipv6 frag parsing in openvswitch, from Yi-Hung Wei.
3) Unbounded recursion in ipv4 and ipv6 GUE tunnels, from Stefano
Brivio.
4) Use after free in hns driver, from Yonglong Liu.
5) icmp6_send() needs to handle the case of NULL skb, from Eric
Dumazet.
6) Missing rcu read lock in __inet6_bind() when operating on mapped
addresses, from David Ahern.
7) Memory leak in tipc-nl_compat_publ_dump(), from Gustavo A. R. Silva.
8) Fix PHY vs r8169 module loading ordering issues, from Heiner
Kallweit.
9) Fix bridge vlan memory leak, from Ido Schimmel.
10) Dev refcount leak in AF_PACKET, from Jason Gunthorpe.
11) Infoleak in ipv6_local_error(), flow label isn't completely
initialized. From Eric Dumazet.
12) Handle mv88e6390 errata, from Andrew Lunn.
13) Making vhost/vsock CID hashing consistent, from Zha Bin.
14) Fix lack of UMH cleanup when it unexpectedly exits, from Taehee Yoo.
15) Bridge forwarding must clear skb->tstamp, from Paolo Abeni.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
bnxt_en: Fix context memory allocation.
bnxt_en: Fix ring checking logic on 57500 chips.
mISDN: hfcsusb: Use struct_size() in kzalloc()
net: clear skb->tstamp in bridge forwarding path
net: bpfilter: disallow to remove bpfilter module while being used
net: bpfilter: restart bpfilter_umh when error occurred
net: bpfilter: use cleanup callback to release umh_info
umh: add exit routine for UMH process
isdn: i4l: isdn_tty: Fix some concurrency double-free bugs
vhost/vsock: fix vhost vsock cid hashing inconsistent
net: stmmac: Prevent RX starvation in stmmac_napi_poll()
net: stmmac: Fix the logic of checking if RX Watchdog must be enabled
net: stmmac: Check if CBS is supported before configuring
net: stmmac: dwxgmac2: Only clear interrupts that are active
net: stmmac: Fix PCI module removal leak
tools/bpf: fix bpftool map dump with bitfields
tools/bpf: test btf bitfield with >=256 struct member offset
bpf: fix bpffs bitfield pretty print
net: ethernet: mediatek: fix warning in phy_start_aneg
tcp: change txhash on SYN-data timeout
...
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Currently there are some issues with the ucc_of_parse_tdm function:
1, a possible null pointer dereference in ucc_of_parse_tdm,
detected by the semantic patch deref_null.cocci,
with the following warning:
drivers/soc/fsl/qe/qe_tdm.c:177:21-24: ERROR: pdev is NULL but dereferenced.
2, dev gets modified, so in any case that devm_iounmap() will fail
even when the new pdev is valid, because the iomap was done with a
different pdev.
3, there is no driver bind with the "fsl,t1040-qe-si" or
"fsl,t1040-qe-siram" device. So allocating resources using devm_*()
with these devices won't provide a cleanup path for these resources
when the caller fails.
This patch fixes them.
Suggested-by: Li Yang <leoyang.li@nxp.com>
Suggested-by: Christophe LEROY <christophe.leroy@c-s.fr>
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Reviewed-by: Peng Hao <peng.hao2@zte.com.cn>
CC: Julia Lawall <julia.lawall@lip6.fr>
CC: Zhao Qiang <qiang.zhao@nxp.com>
CC: David S. Miller <davem@davemloft.net>
CC: netdev@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A bigger batch than I anticipated this week, for two reasons:
- Some fallout on Davinci from board file -> DTB conversion, that
also includes a few longer-standing fixes (i.e. not recent
regressions).
- drivers/reset material that has been in linux-next for a while, but
didn't get sent to us until now for a variety of reasons
(maintainer out sick, holidays, etc). There's a functional
dependency in there such that one platform (Altera's SoCFPGA) won't
boot without one of the patches; instead of reverting the patch
that got merged, I looked at this set and decided it was small
enough that I'll pick it up anyway. If you disagree I can revisit
with a smaller set.
That being said, there's also a handful of the usual stuff:
- Fix for a crash on Armada 7K/8K when the kernel touches
PSCI-reserved memory
- Fix for PCIe reset on Macchiatobin (Armada 8K development board,
what this email is sent from in fact :)
- Enable a few new-merged modules for Amlogic in arm64 defconfig
- Error path fixes on Integrator
- Build fix for Renesas and Qualcomm
- Initialization fix for Renesas RZ/G2E
.. plus a few more fixlets"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
ARM: integrator: impd1: use struct_size() in devm_kzalloc()
qcom-scm: Include <linux/err.h> header
gpio: pl061: handle failed allocations
ARM: dts: kirkwood: Fix polarity of GPIO fan lines
arm64: dts: marvell: mcbin: fix PCIe reset signal
arm64: dts: marvell: armada-ap806: reserve PSCI area
ARM: dts: da850-lcdk: Correct the sound card name
ARM: dts: da850-lcdk: Correct the audio codec regulators
ARM: dts: da850-evm: Correct the sound card name
ARM: dts: da850-evm: Correct the audio codec regulators
ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
ARM: davinci: da850-evm: fix label names in GPIO lookup entries
ARM: davinci: da830-evm: fix label names in GPIO lookup entries
arm64: defconfig: enable modules for amlogic s400 sound card
reset: uniphier-glue: Add AHCI reset control support in glue layer
dt-bindings: reset: uniphier: Add AHCI core reset description
reset: uniphier-usb3: Rename to reset-uniphier-glue
dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
...
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The workaround for the wrong hierarchy of the 3DG-{A,B} power domains on
RZ/G2E ES1.0 corrected the parent domains. However, the 3DG-{A,B} power
domains were still initialized and powered in the wrong order, causing
3DG operation to fail.
Fix this by changing the order in the table at runtime, when running on
an affected SoC.
This work is based on the work done by Geert for R-Car E3.
Fixes: f37d211c687588328 ("soc: renesas: rcar-sysc: Add r8a774c0 support")
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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A number of Kconfig options have become available now to random ARM
platforms outside of ARCH_MULTIPLATFORM, which now causes Kconfig
warnings, and other build errors when those select options that
lack additional dependencies, e.g.:
WARNING: unmet direct dependencies detected for HAVE_ARM_ARCH_TIMER
Depends on [n]: CPU_V7 [=n]
Selected by [y]:
- ARCH_RCAR_GEN2 [=y] && SOC_RENESAS [=y]
- ARCH_R8A73A4 [=y] && SOC_RENESAS [=y] && ARM [=y]
WARNING: unmet direct dependencies detected for SYS_SUPPORTS_EM_STI
Depends on [n]: GENERIC_CLOCKEVENTS [=n]
Selected by [y]:
- ARCH_EMEV2 [=y] && SOC_RENESAS [=y] && ARM [=y]
Put the old dependency on ARCH_RENESAS back for the moment to restore
the previous behavior.
Fixes: 062887bf5ef7 ("ARM: shmobile: Move SoC Kconfig symbols to drivers/soc/renesas/")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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We already need to zero out memory for dma_alloc_coherent(), as such
using dma_zalloc_coherent() is superflous. Phase it out.
This change was generated with the following Coccinelle SmPL patch:
@ replace_dma_zalloc_coherent @
expression dev, size, data, handle, flags;
@@
-dma_zalloc_coherent(dev, size, handle, flags)
+dma_alloc_coherent(dev, size, handle, flags)
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
[hch: re-ran the script on the latest tree]
Signed-off-by: Christoph Hellwig <hch@lst.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Misc driver updates for platforms, many of them power related.
- Rockchip adds power domain support for rk3066 and rk3188
- Amlogic adds a power measurement driver
- Allwinner adds SRAM support for three platforms (F1C100, H5, A64
C1)
- Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
- Broadcom fixes suspend/resume with Thumb2 kernels, and improves
stability of a handful of firmware/platform interfaces
- PXA completes their conversion to dmaengine framework
- Renesas does a bunch of PM cleanups across many platforms
- Tegra adds support for suspend/resume on T186/T194, which includes
some driver cleanups and addition of wake events
- Tegra also adds a driver for memory controller (EMC) on Tegra2
- i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
GPC
- Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
and misc cleanups across several platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
ARM: at91: add support in soc driver for new SAM9X60
ARM: at91: add support in soc driver for LPDDR2 SiP
memory: omap-gpmc: Use of_node_name_eq for node name comparisons
bus: ti-sysc: Check for no-reset and no-idle flags at the child level
ARM: OMAP2+: Check also the first dts child for hwmod flags
soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
soc: imx: gpc: Increase GPC_CLK_MAX to 7
soc: renesas: rcar-sysc: Fix power domain control after system resume
soc: renesas: rcar-sysc: Merge PM Domain registration and linking
soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
dt-bindings: sram: Add Allwinner suniv F1C100s
soc: sunxi: sram: Add support for the H5 SoC system control
soc: sunxi: sram: Enable EMAC clock access for H3 variant
soc: imx: gpcv2: add support for i.MX8MQ SoC
soc: imx: gpcv2: move register access table to domain data
soc: imx: gpcv2: prefix i.MX7 specific defines
dmaengine: pxa: make the filter function internal
...
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git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into next/drivers
AT91 SoC for 4.21:
- Add new SoC IDs
* tag 'at91-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
ARM: at91: add support in soc driver for new SAM9X60
ARM: at91: add support in soc driver for LPDDR2 SiP
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add detection of new SAM9X60 by this soc.c driver.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[nicolas.ferre@microchip.com: split patch]
Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Add some more SiP components to be detected by this soc.c driver.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers
soc: amlogic: updates for v4.21, round 2
- meson-clk-measure: Add missing REGMAP_MMIO dependency
* tag 'amlogic-drivers-2' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patchs adds a missing dependency on REGMAP_MMIO.
This cause the following build failure on SPARC:
drivers/soc/amlogic/meson-clk-measure.o: In function `meson_msr_probe':
meson-clk-measure.c:(.text+0xc4): undefined reference to `__devm_regmap_init_mmio_clk'
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers
i.MX drivers change for 4.21:
- A series from Aisheng that improves SCU power domain bindings by
defining '#power-domain-cells' as 1, and adds i.MX8 SCU power domain
driver support on top of it.
- A series from Lucas that updates gpcv2 driver for scalability and
adds i.MX8MQ support into the driver.
- Increase gpc driver GPC_CLK_MAX definition to 7, as DISPLAY power
domain on imx6sx has 7 clocks.
* tag 'imx-drivers-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: gpc: Increase GPC_CLK_MAX to 7
soc: imx: gpcv2: add support for i.MX8MQ SoC
soc: imx: gpcv2: move register access table to domain data
soc: imx: gpcv2: prefix i.MX7 specific defines
firmware: imx: add SCU power domain driver
firmware: imx: add pm svc headfile
dt-bindings: fsl: scu: update power domain binding
firmware: imx: remove resource id enums
dt-bindings: imx: add scu resource id headfile
Signed-off-by: Olof Johansson <olof@lixom.net>
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The DISPLAY power domain on imx6sx has 7 clocks.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The GPCv2 on the Freescale i.MX8MQ SoC works in the same way as the
GPCv2 on the i.MX7, but only controls more power domains with a
different mapping.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The valid register ranges are defined by the implemented power domains,
which are different between the individual SoCs where the GPCv2 is used.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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So we can add i.MX8M support without introducing name clashes.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers
add helper functions to create and send commands to
the global command engine (GCE) device using the
command queue driver (cmdq).
* tag 'v4.20-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: Add Mediatek CMDQ helper
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add Mediatek CMDQ helper to create CMDQ packet and assemble GCE op code.
Signed-off-by: Houlong Wei <houlong.wei@mediatek.com>
Signed-off-by: HS Liao <hs.liao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers
Allwinner drivers changes for 4.21
Those patches are all about our SRAM driver, to enable new SoCs: the
F1c100s, the H5 and the A64 C1 SRAM, that is used by the video decoding
engine.
* tag 'sunxi-drivers-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
dt-bindings: sram: Add Allwinner suniv F1C100s
soc: sunxi: sram: Add support for the H5 SoC system control
soc: sunxi: sram: Enable EMAC clock access for H3 variant
soc: sunxi: Change to use DEFINE_SHOW_ATTRIBUTE macro
Signed-off-by: Olof Johansson <olof@lixom.net>
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This adds the H5 SoC compatible to the list of device-tree matches for
the SRAM driver. Since the variant is the same as the A64 (that precedes
the H5), the same variant description is used.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Just like the A64 and H5, the H3 SoC uses the system control block
to enable the EMAC clock.
Add a variant structure definition for the H3 and use it over the A10
one. This will allow using the H3-specific binding for the syscon node
attached to the EMAC instead of the generic syscon binding.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
soc/tegra: Changes for v4.21-rc1
These changes are mostly cleanups to the PMC driver, but they also add
support for wake events on Tegra186 and Tegra194, which can be used to
wake the system from sleep. With this and the corresponding device
tree additions suspend/resume is finally working on these SoCs.
* tag 'tegra-for-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Add initial Tegra194 wake events
soc/tegra: pmc: Add initial Tegra186 wake events
soc/tegra: pmc: Add wake event support
soc/tegra: pmc: Add Tegra194 support
soc/tegra: pmc: Change to use DEFINE_SHOW_ATTRIBUTE macro
soc/tegra: Don't leak device tree node reference
soc/tegra: fuse: Remove duplicated function declaration
soc/tegra: pmc: Drop locking from tegra_powergate_is_powered()
soc/tegra: pmc: Add sysfs entries for reset info
soc/tegra: pmc: Don't power-up XUSB power-domains
Signed-off-by: Olof Johansson <olof@lixom.net>
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Tegra194 supports 96 wake events in total. Many of them are never used,
so only the most common ones (RTC alarm and power key) are currently
defined.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Tegra186 support 96 wake events in total. Many of them are never used,
so only the most common ones (RTC alarm and power key) are currently
defined.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The power management controller has top-level controls that allow
certain interrupts (such as from the RTC or a subset of GPIOs) to
wake the system from sleep. Implement infrastructure to support
these wake events.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The PMC controller on Tegra194 has a couple of new I/O pads and drops
others compared to Tegra186.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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of_find_node_by_path() acquires a reference to the node returned by it
and that reference needs to be dropped by its caller. soc_is_tegra()
doesn't do that, so fix it.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
[treding: slightly rewrite to avoid inline comparison]
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This fixes splats like the one below if CONFIG_DEBUG_ATOMIC_SLEEP=y
and machine (Tegra30) booted with SMP=n or all secondary CPU's are put
offline. Locking isn't needed because it protects atomic operation.
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:254
in_atomic(): 1, irqs_disabled(): 128, pid: 0, name: swapper/0
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G C 4.18.0-next-20180821-00180-gc3ebb6544e44-dirty #823
Hardware name: NVIDIA Tegra SoC (Flattened Device Tree)
[<c01134f4>] (unwind_backtrace) from [<c010db2c>] (show_stack+0x20/0x24)
[<c010db2c>] (show_stack) from [<c0bd0f3c>] (dump_stack+0x94/0xa8)
[<c0bd0f3c>] (dump_stack) from [<c0151df8>] (___might_sleep+0x13c/0x174)
[<c0151df8>] (___might_sleep) from [<c0151ea0>] (__might_sleep+0x70/0xa8)
[<c0151ea0>] (__might_sleep) from [<c0bec2b8>] (mutex_lock+0x2c/0x70)
[<c0bec2b8>] (mutex_lock) from [<c0589844>] (tegra_powergate_is_powered+0x44/0xa8)
[<c0589844>] (tegra_powergate_is_powered) from [<c0581a60>] (tegra30_cpu_rail_off_ready+0x30/0x74)
[<c0581a60>] (tegra30_cpu_rail_off_ready) from [<c0122244>] (tegra30_idle_lp2+0xa0/0x108)
[<c0122244>] (tegra30_idle_lp2) from [<c0853438>] (cpuidle_enter_state+0x140/0x540)
[<c0853438>] (cpuidle_enter_state) from [<c08538a4>] (cpuidle_enter+0x40/0x4c)
[<c08538a4>] (cpuidle_enter) from [<c01595e0>] (call_cpuidle+0x30/0x48)
[<c01595e0>] (call_cpuidle) from [<c01599f8>] (do_idle+0x238/0x28c)
[<c01599f8>] (do_idle) from [<c0159d28>] (cpu_startup_entry+0x28/0x2c)
[<c0159d28>] (cpu_startup_entry) from [<c0be76c8>] (rest_init+0xd8/0xdc)
[<c0be76c8>] (rest_init) from [<c1200f50>] (start_kernel+0x41c/0x430)
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Implement read-only reset_reason and reset_level sysfs attributes that
can be used to query the reset reason and level at runtime.
Signed-off-by: Sandipan Patra <spatra@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Now that the Tegra xHCI driver manages the XUSB power-domains itself,
remove the code to power-up the power-domains used by the xHCI device
from the PMC driver on boot.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Renesas ARM Based SoC Drivers Updates for v4.21
SYSC Driver:
* Common
- Fix power domain control after system resume
- Merge PM Domain registration and linking
- Remove rcar_sysc_power_{down,up}() helpers
* R-Car E3 (r8a77990) SoC
- Fix initialization order of 3DG-{A,B}
* R-Car V3H (r8a77980) SoC
- Correct A3VIP[012] power domain hierarchy
- Correct names of A2DP[01] power domains
* R-Car V3M (r8a77970) SoC
- Correct names of A2DP/A2CN power domains
- emove non-existent CR7 power domain
* R-Car M3-N (r8a77965) SoC
- Remove non-existent A3IR power domain
* tag 'renesas-drivers-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-sysc: Fix power domain control after system resume
soc: renesas: rcar-sysc: Merge PM Domain registration and linking
soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
soc: renesas: r8a77980-sysc: Correct A3VIP[012] power domain hierarchy
soc: renesas: r8a77980-sysc: Correct names of A2DP[01] power domains
soc: renesas: r8a77970-sysc: Correct names of A2DP/A2CN power domains
soc: renesas: r8a77970-sysc: Remove non-existent CR7 power domain
soc: renesas: r8a77965-sysc: Remove non-existent A3IR power domain
Signed-off-by: Olof Johansson <olof@lixom.net>
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To control power to a power domain, the System Controller (SYSC) needs
the corresponding interrupt source to be enabled, but masked, to prevent
the CPU from receiving it.
Currently this is handled in the driver's probe() routine, and set up
for every domain present, even if it will not be controlled directly by
SYSC (CPU domains are powered through the APMU on R-Car Gen2 and later).
On R-Car Gen3, PSCI powers down the SoC during system suspend, thus
losing any configured interrupt state. Hence after system resume, power
domains not controlled through the APMU (e.g. A3IR, A3VC, A3VP) fail to
power up.
Fix this by replacing the global interrupt setup in the probe() routine
by a domain-specific interrupt setup in rcar_sysc_power(), where the
domain's power is actually controlled. This brings the code more in
line with the flowchart in the Hardware User's Manual.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Commit 977d5ba4507dfe5b ("soc: renesas: rcar-sysc: Make PM domain
initialization more robust") split PM Domain registration and the
linking of children to their parents, to accommodate PM Domain tables
that list child domains before their parents.
However, this failed to realize that parent power domains must be
powered up before their children anyway, and that this thus must be
reflected by the order in the PM Domain tables.
Revert the split, as it did not help anyway.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Until commit 7e8a50df26f4e700 ("soc: renesas: rcar-sysc: Drop legacy
handling"), the rcar_sysc_power_{down,up}() helpers were public, as they
were called by the legacy (pre-DT) CPU power management code on R-Car H1
and R-Car Gen2 before.
As they are just one-line wrappers around rcar_sysc_power(), it makes
sense to just remove them.
This also avoids a bool/helper/bool conversion in rcar_sysc_power_cpu(),
where a bool is checked to call one of two helper functions, which
just call rcar_sysc_power() with hardcoded boolean values again.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The workaround for the wrong hierarchy of the 3DG-{A,B} power
domains on R-Car E3 ES1.0 corrected the parent domains.
However, the 3DG-{A,B} power domains were still initialized and powered
in the wrong order, causing 3DG operation to fail.
Fix this by changing the order in the table at runtime, when running on
an affected SoC.
Fixes: 086b399965a7ee7e ("soc: renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
renamed the A3VIP power domain on R-Car V3H to A3VIP0, and clarified the
power domain hierarchy for the A3VIP[012] power domains.
As the definition for the A3VIP0 domain is not yet used from DT, it can
just be renamed.
Fixes: 7755b40d07a8dba7 ("dt-bindings: power: add R8A77980 SYSC power domain definitions")
Fixes: 41d6d8bd8ae94ca9 ("soc: renesas: rcar-sysc: add R8A77980 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
renamed the A2PD0 and A2DP0 power domains on R-Car V3H to A2DP0 resp.
A2DP1.
As these definitions are not yet used from DT, they can just be renamed.
Fixes: 7755b40d07a8dba7 ("dt-bindings: power: add R8A77980 SYSC power domain definitions")
Fixes: 41d6d8bd8ae94ca9 ("soc: renesas: rcar-sysc: add R8A77980 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
renamed the A2IR2 and A2IR3 power domains on R-Car V3M to A2DP resp.
A2CN.
As these definitions are not yet used from DT, they can just be renamed.
While at it, fix the indentation of the A3IR definition.
Fixes: 833bdb47c826a1a6 ("dt-bindings: power: add R8A77970 SYSC power domain definitions")
Fixes: bab9b2a74fe9da96 ("soc: renesas: rcar-sysc: add R8A77970 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
removed the CR7 power domain on R-Car V3M, as this SoC does not have an
ARM Cortex-R7 Realtime Core.
As this definition was never used from DT, it can just be removed.
Fixes: 833bdb47c826a1a6 ("dt-bindings: power: add R8A77970 SYSC power domain definitions")
Fixes: bab9b2a74fe9da96 ("soc: renesas: rcar-sysc: add R8A77970 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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