| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- convert arm32 to the common dma-direct code (Arnd Bergmann, Robin
Murphy, Christoph Hellwig)
- restructure the PCIe peer to peer mapping support (Logan Gunthorpe)
- allow the IOMMU code to communicate an optional DMA mapping length
and use that in scsi and libata (John Garry)
- split the global swiotlb lock (Tianyu Lan)
- various fixes and cleanup (Chao Gao, Dan Carpenter, Dongli Zhang,
Lukas Bulwahn, Robin Murphy)
* tag 'dma-mapping-5.20-2022-08-06' of git://git.infradead.org/users/hch/dma-mapping: (45 commits)
swiotlb: fix passing local variable to debugfs_create_ulong()
dma-mapping: reformat comment to suppress htmldoc warning
PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg()
RDMA/rw: drop pci_p2pdma_[un]map_sg()
RDMA/core: introduce ib_dma_pci_p2p_dma_supported()
nvme-pci: convert to using dma_map_sgtable()
nvme-pci: check DMA ops when indicating support for PCI P2PDMA
iommu/dma: support PCI P2PDMA pages in dma-iommu map_sg
iommu: Explicitly skip bus address marked segments in __iommu_map_sg()
dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support
dma-direct: support PCI P2PDMA pages in dma-direct map_sg
dma-mapping: allow EREMOTEIO return code for P2PDMA transfers
PCI/P2PDMA: Introduce helpers for dma_map_sg implementations
PCI/P2PDMA: Attempt to set map_type if it has not been set
lib/scatterlist: add flag for indicating P2PDMA segments in an SGL
swiotlb: clean up some coding style and minor issues
dma-mapping: update comment after dmabounce removal
scsi: sd: Add a comment about limiting max_sectors to shost optimal limit
ata: libata-scsi: cap ata_device->max_sectors according to shost->max_sectors
scsi: scsi_transport_sas: cap shost opt_sectors according to DMA optimal limit
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ATA devices (struct ata_device) have a max_sectors field which is
configured internally in libata. This is then used to (re)configure the
associated sdev request queue max_sectors value from how it is earlier set
in __scsi_init_queue(). In __scsi_init_queue() the max_sectors value is set
according to shost limits, which includes host DMA mapping limits.
Cap the ata_device max_sectors according to shost->max_sectors to respect
this shost limit.
Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA updates from Damien Le Moal:
- Some code refactoring for the pata_hpt37x and pata_hpt3x2n drivers,
from Sergei.
- Several patches to cleanup in libata-core, libata-scsi and libata-eh
code: fixes arguments and variables types, change some functions
declaration to static and fix for a typo in a comment. From Sergey
and Xiang.
- Fix a compilation warning in the pata_macio driver, from me.
- A fix for the expected number of resources in the sata_mv driver fix,
from Andrew.
* tag 'ata-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: sata_mv: Fixes expected number of resources now IRQs are gone
ata: libata-scsi: fix result type of ata_ioc32()
ata: pata_macio: Fix compilation warning
ata: libata-eh: fix sloppy result type of ata_internal_cmd_timeout()
ata: libata-core: fix sloppy parameter type in ata_exec_internal[_sg]()
ata: make ata_port::fastdrain_cnt *unsigned int*
ata: libata-eh: fix sloppy result type of ata_eh_nr_in_flight()
ata: libata-core: make ata_exec_internal_sg() *static*
ata: make transfer mode masks *unsigned int*
ata: libata-core: get rid of *else* branches in ata_id_n_sectors()
ata: libata-core: fix sloppy typing in ata_id_n_sectors()
ata: pata_hpt3x2n: pass base DPLL frequency to hpt3x2n_pci_clock()
ata: pata_hpt37x: merge hpt374_read_freq() to hpt37x_pci_clock()
ata: pata_hpt37x: factor out hpt37x_pci_clock()
ata: pata_hpt37x: move claculating PCI clock from hpt37x_clock_slot()
ata: libata: Fix syntax errors in comments
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The commit a1a2b7125e10 ("of/platform: Drop static setup of IRQ
resource from DT core") stopped IRQ resources being available as
platform resources. This broke the sanity check for the expected
number of resources in the Marvell SATA driver which expected two
resources, the IO memory and the interrupt.
Change the sanity check to only expect the IO memory.
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Fixes: a1a2b7125e10 ("of/platform: Drop static setup of IRQ resource from DT core")
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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While ata_ioc32() returns 'int', its result gets assigned to and compared
with the 'unsigned long' variable 'val' in ata_sas_scsi_ioctl(), its only
caller, which implies a problematic implicit cast (with sign extension).
Fix this by returning 'bool' instead -- the implicit cast then implies
zero extension which is OK. Note that actually the object code doesn't
change because ata_ioc32() is always inlined -- I can see the expected
code changes with 'noinline'...
Found by Linux Verification Center (linuxtesting.org) with the SVACE
static analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Change the debug print format for the PIO, MWDMA and UDMA masks from
long to int to match the new type used for these fields in struct
ata_port_info.
Fixes: f0a6d77b351c ("ata: make transfer mode masks *unsigned int*")
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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ata_internal_cmd_timeout() returns *unsigned long* timeout in ms, however
ata_exec_internal_sg() passes that timeout to msecs_to_jiffies() that takes
just *unsigned int*. Change ata_internal_cmd_timeout()'s result type to
*unsigned int* as well, also updating the *struct* ata_eh_cmd_timeout_ent
and the command timeout tables -- all timeouts fit into *unsigned int* but
we have to change ULONG_MAX to UINT_MAX...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Make the 'timeout' parameter to ata_exec_internal_sg() *unsigned int* as
msecs_to_jiffies() that it calls takes just *unsigned int* for the time in
milliseconds. Then follow the suit with ata_exec_internal(), its only
caller; also fix up ata_dev_set_feature(), the only ata_exec_internal()'s
caller that explicitly passes *unsigned long* variable for timeout...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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ata_eh_nr_in_flight() counts the # of the active tagged commands and
thus cannot return a negative value but the result type is nevertheless
int. Switching it to unsigned int (along with the local variables
receiving the function's result) helps avoiding the sign extension
instructions when comparing with or assigning to unsigned long
ata_port::fastdrain_cnt and thus results in a more compact 64-bit
code.
Found by Linux Verification Center (linuxtesting.org) with the SVACE
static analysis tool.
[Damien]
Fixed commit message.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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ata_exec_internal_sg() is only called by ata_exec_internal() further in
the same file, so we can make it *static* and remove its prototype from
drivers/ata/libata.h...
Suggested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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The packed transfer mode masks and also the {pio|mwdma|udma}_mask fields
of *struct*s ata_device and ata_port_info are declared as *unsigned long*
(which is a 64-bit type on 64-bit architectures) but actually the packed
masks occupy only 20 bits (7 PIO modes, 5 MWDMA modes, and 8 UDMA modes)
and the PIO/MWDMA/UDMA masks easily fit into just 8 bits each, so we can
safely use (always 32-bit) *unsigned int* variables instead. This saves
745 bytes of object code in libata-core.o alone, not to mention LLDDs...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Using *else* after *return* doesn't make much sense -- getting rid of such
*else* branches reduces the indentation levels and thus reduces # of LoC...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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The code multiplying the # of cylinders/heads/sectors in ata_id_n_sectors()
to get a disk capacity implicitly uses the *int* type for that calculation
and casting the result to 'u64' before returning ensues a sign extension.
Explicitly casting the 'u16' typed multipliers to 'u32' results in avoiding
a sign extension instruction and so in a more compact code...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Currently, the base DPLL frequency is hardcoded in hpt3x2n_pci_clock().
Align with the updated 'pata_hpt37x' driver, where this frequency is a
parameter to hpt37x_pci_clock().
While at it, also do the following to align with the 'pata_hpt37x' driver:
- fix the 'freq' local variable's type;
- remove the 'iobase' local variable;
- extend the comment to the inl() call;
- move the 'total' local variable's declaration.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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With hpt374_read_freq() implemented as a separate function, there's
some code duplication going on, not to mention that this function is
named incorrectly: it returns the f_CNT register value saved by BIOS,
not the PCI clock frequency.
Folding hpt374_read_freq() into hpt37x_pci_clock() saves 20 bytes of
object code with x86_64 gcc 10.3.1...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Factor out the PCI clock frequency detection code into hpt37x_pci_clock(),
so that this driver becomes more like 'pata_hpt3x2n'. Note that I decided
to change the way HPT374 is identified to using the PCI device ID...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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hpt37x_init_one() incorrectly calls an averaged f_CNT register value 'freq'
and hpt37x_clock_slot() takes that value as the 'freq' parameter -- rename
the former variable to 'fcnt' and move the actual code calculating the PCI
clock from hpt37x_clock_slot() to hpt37x_init_one(), along with adding the
frequency clamping code, in preparation for the factoring out the PCI clock
detection, so that this driver would become more like the 'pata_hpt3x2n'
driver...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Delete the redundant word 'in'.
Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC drivers from Arnd Bergmann:
"The SoC driver updates contain changes to improve support for
additional SoC variants, as well as cleanups an minor bugfixes
in a number of existing drivers.
Notable updates this time include:
- Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers
- Updates for interconnect drivers on Qualcomm Snapdragon
- A new driver support for NMI interrupts on Fujitsu A64fx
- A rework of Broadcom BCMBCA Kconfig dependencies
- Improved support for BCM2711 (Raspberry Pi 4) power management to
allow the use of the V3D GPU
- Cleanups to the NXP guts driver
- Arm SCMI firmware driver updates to add tracing support, and use
the firmware interfaces for system power control and for power
capping"
* tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (125 commits)
soc: a64fx-diag: disable modular build
dt-bindings: soc: qcom: qcom,smd-rpm: add power-controller
dt-bindings: soc: qcom: aoss: document qcom,sm8450-aoss-qmp
dt-bindings: soc: qcom,rpmh-rsc: simplify qcom,tcs-config
ARM: mach-qcom: Add support for MSM8909
dt-bindings: arm: cpus: Document "qcom,msm8909-smp" enable-method
soc: qcom: spm: Add CPU data for MSM8909
dt-bindings: soc: qcom: spm: Add MSM8909 CPU compatible
soc: qcom: rpmpd: Add compatible for MSM8909
dt-bindings: power: qcom-rpmpd: Add MSM8909 power domains
soc: qcom: smd-rpm: Add compatible for MSM8909
dt-bindings: soc: qcom: smd-rpm: Add MSM8909
soc: qcom: icc-bwmon: Remove unnecessary print function dev_err()
soc: fujitsu: Add A64FX diagnostic interrupt driver
soc: qcom: socinfo: Fix the id of SA8540P SoC
soc: qcom: Make QCOM_RPMPD depend on PM
tty: serial: bcm63xx: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
spi: bcm63xx-hsspi: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
clk: bcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
hwrng: bcm2835: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
...
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into arm/drivers
This pull request contains Broadcom SoC drivers updatse for 5.20, please
pull the following:
- Julia fixes a typo in the Broadcom STB legacy power management code
- Liang fixes a device_node reference count leak in the Broadcom STB BIU
driver code error path(s)
- Nicolas and Stefan provide updates to the BCM2835 power management
driver allowing its use on BCM2711 (Raspberry Pi 4) and to enable the
use of the V3D GPU driver on such platforms. This is a merge of an
immutable branch from Lee Jones' MFD tree
- William removes the use of CONFIG_ARCH_BCM_63XX which is removed and
replaces the dependencies with CONFIG_ARCH_BCMBCA which is how all of
the DSL/PON SoCs from Broadcom are now supported in the upstream
kernel.
* tag 'arm-soc/for-5.20/drivers' of https://github.com/Broadcom/stblinux:
tty: serial: bcm63xx: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
spi: bcm63xx-hsspi: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
clk: bcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
hwrng: bcm2835: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
phy: brcm-sata: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
i2c: brcmstb: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
ata: ahci_brcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
soc: bcm: bcm2835-power: Bypass power_on/off() calls
soc: bcm: bcm2835-power: Add support for BCM2711's RPiVid ASB
soc: bcm: bcm2835-power: Resolve ASB register macros
soc: bcm: bcm2835-power: Refactor ASB control
mfd: bcm2835-pm: Add support for BCM2711
mfd: bcm2835-pm: Use 'reg-names' to get resources
soc: bcm: brcmstb: biuctrl: Add missing of_node_put()
soc: bcm: brcmstb: pm: pm-arm: fix typo in comment
Link: https://lore.kernel.org/r/20220711164451.3542127-6-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Prepare for the BCM63138 ARCH_BCM_63XX migration to ARCH_BCMBCA. Make
AHCI_BRCM depending on ARCH_BCMBCA.
Signed-off-by: William Zhang <william.zhang@broadcom.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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x86_64 allmodconfig build with W=1 gives these warnings:
drivers/ata/pata_cs5535.c: In function ‘cs5535_set_piomode’:
drivers/ata/pata_cs5535.c:93:11: error: variable ‘dummy’ set but not
used [-Werror=unused-but-set-variable]
u32 reg, dummy;
^~~~~
drivers/ata/pata_cs5535.c: In function ‘cs5535_set_dmamode’:
drivers/ata/pata_cs5535.c:132:11: error: variable ‘dummy’ set but not
used [-Werror=unused-but-set-variable]
u32 reg, dummy;
^~~~~
cc1: all warnings being treated as errors
Mark variables 'dummy' as "maybe unused" as they are only ever written
in rdmsr() calls.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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The {dma|pio}_mode sysfs files are incorrectly documented as having a
list of the supported DMA/PIO transfer modes, while the corresponding
fields of the *struct* ata_device hold the transfer mode IDs, not masks.
To match these docs, the {dma|pio}_mode (and even xfer_mode!) sysfs
files are handled by the ata_bitfield_name_match() macro which leads to
reading such kind of nonsense from them:
$ cat /sys/class/ata_device/dev3.0/pio_mode
XFER_UDMA_7, XFER_UDMA_6, XFER_UDMA_5, XFER_UDMA_4, XFER_MW_DMA_4,
XFER_PIO_6, XFER_PIO_5, XFER_PIO_4, XFER_PIO_3, XFER_PIO_2, XFER_PIO_1,
XFER_PIO_0
Using the correct ata_bitfield_name_search() macro fixes that:
$ cat /sys/class/ata_device/dev3.0/pio_mode
XFER_PIO_4
While fixing the file documentation, somewhat reword the {dma|pio}_mode
file doc and add a note about being mostly useful for PATA devices to
the xfer_mode file doc...
Fixes: d9027470b886 ("[libata] Add ATA transport class")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Fixing the page length in the SCSI translation for the concurrent
positioning ranges VPD page. It was writing starting in offset 3
rather than offset 2 where the MSB is supposed to start for
the VPD page length.
Cc: stable@vger.kernel.org
Fixes: fe22e1c2f705 ("libata: support concurrent positioning ranges log")
Signed-off-by: Tyler Erickson <tyler.erickson@seagate.com>
Reviewed-by: Muhammad Ahmad <muhammad.ahmad@seagate.com>
Tested-by: Michael English <michael.english@seagate.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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The concurrent positioning ranges log is not a fixed size and may depend
on how many ranges are supported by the device. This patch uses the size
reported in the GPL directory to determine the number of pages supported
by the device before attempting to read this log page.
This resolves this error from the dmesg output:
ata6.00: Read log 0x47 page 0x00 failed, Emask 0x1
Cc: stable@vger.kernel.org
Fixes: fe22e1c2f705 ("libata: support concurrent positioning ranges log")
Signed-off-by: Tyler Erickson <tyler.erickson@seagate.com>
Reviewed-by: Muhammad Ahmad <muhammad.ahmad@seagate.com>
Tested-by: Michael English <michael.english@seagate.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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of_find_device_by_node() takes reference, we should use put_device()
to release it when not need anymore.
Add missing put_device() to avoid refcount leak.
Fixes: 43f01da0f279 ("MIPS/OCTEON/ata: Convert pata_octeon_cf.c to use device tree.")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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In an unlikely (and probably wrong?) case that the 'ppi' parameter of
ata_host_alloc_pinfo() points to an array starting with a NULL pointer,
there's going to be a kernel oops as the 'pi' local variable won't get
reassigned from the initial value of NULL. Initialize 'pi' instead to
'&ata_dummy_port_info' to fix the possible kernel oops for good...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull more ARM multiplatform updates from Arnd Bergmann:
"The second part of the multiplatform changes now converts the
Intel/Marvell PXA platform along with the rest. The patches went
through several rebases before the merge window as bugs were found, so
they remained separate.
This has to touch a lot of drivers, in particular the touchscreen,
pcmcia, sound and clk bits, to detach the driver files from the
platform and board specific header files"
* tag 'arm-multiplatform-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
ARM: pxa/mmp: remove traces of plat-pxa
ARM: pxa: convert to multiplatform
ARM: pxa/sa1100: move I/O space to PCI_IOBASE
ARM: pxa: remove support for MTD_XIP
ARM: pxa: move mach/*.h to mach-pxa/
ARM: PXA: fix multi-cpu build of xsc3
ARM: pxa: move plat-pxa to drivers/soc/
ARM: mmp: rename pxa_register_device
ARM: mmp: remove tavorevb board support
ARM: pxa: remove unused mach/bitfield.h
ARM: pxa: move clk register definitions to driver
ARM: pxa: move smemc register access from clk to platform
cpufreq: pxa3: move clk register access to clk driver
ARM: pxa: remove get_clk_frequency_khz()
ARM: pxa: pcmcia: move smemc configuration back to arch
ASoC: pxa: i2s: use normal MMIO accessors
ASoC: pxa: ac97: use normal MMIO accessors
ASoC: pxa: use pdev resource for FIFO regs
Input: wm97xx - get rid of irq_enable method in wm97xx_mach_ops
Input: wm97xx - switch to using threaded IRQ
...
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The palmld header is almost unused in drivers, the only
remaining thing now is the PATA device address, which should
really be passed as a resource.
Cc: linux-ide@vger.kernel.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
"For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more detail:
- Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
- Improved ATA command allocation, from John.
- Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey,
Diego, Ruyi, Mighao and Jiabing.
- Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
- AHCI RAID ID cleanup, from Dan.
- Improvement to the libata.force kernel parameter to allow most
horkage flags to be manually forced for debugging drive issues in
the field without needing recompiling a kernel, from me"
* tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_ftide010: Remove unneeded ERROR check before clk_disable_unprepare
doc: admin-guide: Update libata kernel parameters
ata: libata-core: Allow forcing most horkage flags
ata: libata-core: Improve link flags forced settings
ata: libata-core: Refactor force_tbl definition
ata: libata-core: cleanup ata_device_blacklist
ata: simplify the return expression of brcm_ahci_remove
ata: Make use of the helper function devm_platform_ioremap_resource()
ata: libata-core: replace "its" with "it is"
ahci: Add a generic 'controller2' RAID id
dt-bindings: ata: renesas,rcar-sata: Add r8a774e1 support
ata: pata_via: fix sloppy typing in via_do_set_mode()
ata: pata_sil680: fix result type of sil680_sel{dev|reg}()
ata: libata-core: fix parameter type in ata_xfer_mode2shift()
libata: Improve ATA queued command allocation
ata: pata_mpc52xx: Prepare cleanup of powerpc's asm/prom.h
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ERROR check is already in clk_disable() and clk_unprepare() by using
IS_ERR_OR_NULL. Remove unneeded ERROR check for ftide->pclk here.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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To facilitate debugging of drive issues in the field without kernel
changes (e.g. temporary test patches), add an entry for most horkage
flags in the force_tbl array to allow controlling these horkage
settings with the libata.force kernel boot parameter.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Hannes Reinecke <hare@suse.de>
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Similarly to the horkage flags, introduce the force_lflag_onoff() macro
to define struct ata_force_param entries of the force_tbl array that
allow turning on or off a link flag using the libata.force boot
parameter. To be consistent with naming, the macro force_lflag() is
renamed to force_lflag_on().
Using force_lflag_onoff(), define a new force_tbl entry for the
ATA_LFLAG_NO_DEBOUNCE_DELAY link flag, thus allowing testing if an
adapter requires a link debounce delay or not.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Hannes Reinecke <hare@suse.de>
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Introduce the macro definitions force_cbl(), force_spd_limit(),
force_xfer(), force_lflag(), force_horkage_on() and
force_horkage_onoff() to define with a more compact syntax the struct
ata_force_param entries in the force_tbl array defined in the function
ata_parse_force_one().
To reduce the indentation of the array declaration, force_tbl definition
is also moved out of the ata_parse_force_one() function. The entries are
also reordered to group them by type of the quirck that is applied.
Finally, fix a comment in ata_parse_force_param() incorrectly
referencing force_tbl instead of ata_force_tbl.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Hannes Reinecke <hare@suse.de>
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Remove the unneeded comma after the last field of the array entries.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Hannes Reinecke <hare@suse.de>
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Simplify the return expression.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use the devm_platform_ioremap_resource() helper instead of calling
platform_get_resource() and devm_ioremap_resource() separately.Make the
code simpler without functional changes.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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and "isn't" with "is not". The former fixes the typo while the latter
just uses the same formal language.
Signed-off-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Intel server platforms that support 'RAID', i.e. have platform firmware
support for software-RAID metadata + features that the kernel also
understands, maintain the same device-ids for RAID from generation to
generation. This is in contrast to client platforms that have tended to
roll new device-ids every platform generation. However, even though
server platform keep the ids there are still unique device-ids per
controller instance. To date there have only been 2 controllers on these
platforms, but platforms code named Emmitsburg add a third controller.
Add the device-id for this third controller and collect it with the
other generic server RAID ids.
As mentioned here [1], the pain of continuing add new and different
device-ids for RAID mode to this file [2] has been heard. Ideally this
device-id would not matter and the class code would remain
PCI_CLASS_STORAGE_SATA_AHCI regardless of the RAID mode, but other
operating systems depend on the class code *not* being AHCI when the
device is in RAID mode. That said, going forward there is little reason
for new server RAID ids to be added as they can simply reuse one of the
existing ids even for a new controller. Server software RAID features
continue to be supported on Linux. Client software RAID features
continue to be not supported and the recommendation there remains to set
the device to AHCI mode in platform firmware.
Link: https://lore.kernel.org/all/8e61fb0104422e8d70701e2ddc7b1ca53f009797.camel@intel.com [1]
Link: https://lore.kernel.org/all/20201119165022.GA3582@infradead.org/ [2]
Cc: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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The local variables 'T' and 'UT' are needlessly declared as *unsigned*
*long* -- the corresponding parameters of ata_timing_compute() are both
declared as *int*. While fixing up those declarations, also make the
'via_clock' and 'T' variables *const* as they are never re-assigned
after initialization -- the object code should remain the same as gcc
previously used copy propagation anyway...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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sil680_sel{dev|reg}() return a PCI config space address but needlessly
use the *unsigned long* type for that, whereas the PCI config space
accessors take *int* for the address parameter. Switch these functions
to returning *int*, updating the local variables at their call sites.
Get rid of the 'base' local variables in these functions, while at it...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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The data transfer mode that corresponds to the 'xfer_mode' parameter for
ata_xfer_mode2shift() is a 8-bit *unsigned* value. Using *unsigned long*
to declare the parameter leads to a problematic implicit *int* to *unsigned
long* cast and was most probably a result of a copy/paste mistake -- use
the 'u8' type instead, as in ata_xfer_mode2mask()...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Improve ATA queued command allocation as follows:
- For attaining a qc tag for a SAS host we need to allocate a bit in
ata_port.sas_tag_allocated bitmap.
However we already have a unique tag per device in range
[0, ATA_MAX_QUEUE -1] in the scsi cmnd budget token, so just use that
instead.
- It is a bit pointless to have ata_qc_new_init() in libata-core.c since it
pokes scsi internals, so inline it in ata_scsi_qc_new() (in
libata-scsi.c). Also update Doc accordingly.
- Use standard SCSI helpers set_host_byte() and set_status_byte() in
ata_scsi_qc_new().
Christoph Hellwig originally contributed the change to inline
ata_qc_new_init().
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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powerpc's asm/prom.h brings some headers that it doesn't
need itself.
In order to clean it up, first add missing headers in
users of asm/prom.h
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Before detecting the cable type on the dma bar, the driver should check
whether the 'bmdma_addr' is zero, which means the adapter does not
support DMA, otherwise we will get the following error:
[ 5.146634] Bad IO access at port 0x1 (return inb(port))
[ 5.147206] WARNING: CPU: 2 PID: 303 at lib/iomap.c:44 ioread8+0x4a/0x60
[ 5.150856] RIP: 0010:ioread8+0x4a/0x60
[ 5.160238] Call Trace:
[ 5.160470] <TASK>
[ 5.160674] marvell_cable_detect+0x6e/0xc0 [pata_marvell]
[ 5.161728] ata_eh_recover+0x3520/0x6cc0
[ 5.168075] ata_do_eh+0x49/0x3c0
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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CONFIG_SATA_LPM_MOBILE_POLICY was renamed to CONFIG_SATA_LPM_POLICY in
commit 4dd4d3deb502 ("ata: ahci: Rename CONFIG_SATA_LPM_MOBILE_POLICY
configuration item").
This can potentially cause problems as users would invisibly lose
configuration policy defaults when they built the new kernel. To
avoid such problems, switch back to the old name (even if it's wrong).
Suggested-by: Christoph Hellwig <hch@infradead.org>
Suggested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Samsung' 840 EVO with the latest firmware (EXT0DB6Q) locks up with
the a message: "READ LOG DMA EXT failed, trying PIO" during boot.
Initially this was discovered because it caused a crash
with the sata_dwc_460ex controller on a WD MyBook Live DUO.
The reporter "Tice Rex" which has the unique opportunity that he
has two Samsung 840 EVO SSD! One with the older firmware "EXT0BB0Q"
which booted fine and didn't expose "READ LOG DMA EXT". But the
newer/latest firmware "EXT0DB6Q" caused the headaches.
BugLink: https://github.com/openwrt/openwrt/issues/9505
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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the driver uses libata's "tag" values from in various arrays.
Since the mentioned patch bumped the ATA_TAG_INTERNAL to 32,
the value of the SATA_DWC_QCMD_MAX needs to account for that.
Otherwise ATA_TAG_INTERNAL usage cause similar crashes like
this as reported by Tice Rex on the OpenWrt Forum and
reproduced (with symbols) here:
| BUG: Kernel NULL pointer dereference at 0x00000000
| Faulting instruction address: 0xc03ed4b8
| Oops: Kernel access of bad area, sig: 11 [#1]
| BE PAGE_SIZE=4K PowerPC 44x Platform
| CPU: 0 PID: 362 Comm: scsi_eh_1 Not tainted 5.4.163 #0
| NIP: c03ed4b8 LR: c03d27e8 CTR: c03ed36c
| REGS: cfa59950 TRAP: 0300 Not tainted (5.4.163)
| MSR: 00021000 <CE,ME> CR: 42000222 XER: 00000000
| DEAR: 00000000 ESR: 00000000
| GPR00: c03d27e8 cfa59a08 cfa55fe0 00000000 0fa46bc0 [...]
| [..]
| NIP [c03ed4b8] sata_dwc_qc_issue+0x14c/0x254
| LR [c03d27e8] ata_qc_issue+0x1c8/0x2dc
| Call Trace:
| [cfa59a08] [c003f4e0] __cancel_work_timer+0x124/0x194 (unreliable)
| [cfa59a78] [c03d27e8] ata_qc_issue+0x1c8/0x2dc
| [cfa59a98] [c03d2b3c] ata_exec_internal_sg+0x240/0x524
| [cfa59b08] [c03d2e98] ata_exec_internal+0x78/0xe0
| [cfa59b58] [c03d30fc] ata_read_log_page.part.38+0x1dc/0x204
| [cfa59bc8] [c03d324c] ata_identify_page_supported+0x68/0x130
| [...]
This is because sata_dwc_dma_xfer_complete() NULLs the
dma_pending's next neighbour "chan" (a *dma_chan struct) in
this '32' case right here (line ~735):
> hsdevp->dma_pending[tag] = SATA_DWC_DMA_PENDING_NONE;
Then the next time, a dma gets issued; dma_dwc_xfer_setup() passes
the NULL'd hsdevp->chan to the dmaengine_slave_config() which then
causes the crash.
With this patch, SATA_DWC_QCMD_MAX is now set to ATA_MAX_QUEUE + 1.
This avoids the OOB. But please note, there was a worthwhile discussion
on what ATA_TAG_INTERNAL and ATA_MAX_QUEUE is. And why there should not
be a "fake" 33 command-long queue size.
Ideally, the dw driver should account for the ATA_TAG_INTERNAL.
In Damien Le Moal's words: "... having looked at the driver, it
is a bigger change than just faking a 33rd "tag" that is in fact
not a command tag at all."
Fixes: 28361c403683c ("libata: add extra internal command")
Cc: stable@kernel.org # 4.18+
BugLink: https://github.com/openwrt/openwrt/issues/9505
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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When returning false, ata_sff_altstatus() does not return any status
value, resulting in a compilation warning in ata_sff_lost_interrupt()
("uninitialized symbol 'status'"). Fix this by initializing the local
variable "status" to 0.
Fixes: 03c0e84f9c1e ("ata: libata-sff: refactor ata_sff_altstatus()")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
updates for 5.18-rc1.
Included in here are merges from driver subsystems which contain:
- iio driver updates and new drivers
- fsi driver updates
- fpga driver updates
- habanalabs driver updates and support for new hardware
- soundwire driver updates and new drivers
- phy driver updates and new drivers
- coresight driver updates
- icc driver updates
Individual changes include:
- mei driver updates
- interconnect driver updates
- new PECI driver subsystem added
- vmci driver updates
- lots of tiny misc/char driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
firmware: google: Properly state IOMEM dependency
kgdbts: fix return value of __setup handler
firmware: sysfb: fix platform-device leak in error path
firmware: stratix10-svc: add missing callback parameter on RSU
arm64: dts: qcom: add non-secure domain property to fastrpc nodes
misc: fastrpc: Add dma handle implementation
misc: fastrpc: Add fdlist implementation
misc: fastrpc: Add helper function to get list and page
misc: fastrpc: Add support to secure memory map
dt-bindings: misc: add fastrpc domain vmid property
misc: fastrpc: check before loading process to the DSP
misc: fastrpc: add secure domain support
dt-bindings: misc: add property to support non-secure DSP
misc: fastrpc: Add support to get DSP capabilities
misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
misc: fastrpc: separate fastrpc device from channel context
dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
dt-bindings: nvmem: make "reg" property optional
nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
nvmem: dt-bindings: Fix the error of dt-bindings check
...
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