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To follow the flow of control we should be using tracepoints, as
they will tie in with the actual I/O flow and deliver a better
overview about what it happening.
This patch adds tracepoints for hard reset, soft reset, and postreset
and adds them in the libata-eh control flow.
With that we can drop the reset DPRINTK calls in the various drivers.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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With moving ata_dev_dbg() over to dynamic debugging ATA_HORKAGE_DUMP_ID
will now print out the raw IDENTIFY data without a header unless
explicitly enable via dyndebug.
So move the logging level up to INFO and have the header printed
always.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use ata_dev_dbg() to print out the information in ata_dump_id()
and remove the ata_msg_probe() conditional.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Add an ata_port_classify() helper to print out the results from
the device classification and remove the debugging statements
from ata_dev_classify().
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Debugging messages in pci init functions or sg setup are pretty
much pointless, as the workflow pretty much decides what happened.
So drop them.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use min() in order to make code cleaner.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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platform_get_irq() will print a message when it fails.
No need to repeat this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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If 64-bit mask attempt fails, the 32-bit will fail by the very same reason.
Don't even try the latter. It's a continuation of the changes that contains,
e.g. dcc02c19cc06 ("sata_sil24: use dma_set_mask_and_coherent").
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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sata_dwc_port_stop() is not used before being defined,
remove redundant forward declaration.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use temporary variable for struct device to make code neater.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use devm_platform_get_and_ioremap_resource() and
devm_platform_ioremap_resource() APIs instead of their
open coded analogues.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use sysfs_emit() instead of sprintf() in fsl_sata_intr_coalescing_show()
and fsl_sata_rx_watermark_show().
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use sysfs_emit() instead of sprintf in remapped_nvme_show().
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use sysfs_emit() instead of snprintf() in ata_scsi_park_show().
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use sysfs_emit() instead of snprintf() in sysfs attibute show()
functions.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally writing across neighboring fields.
Use struct_group() in struct command_desc around members acmd and fill,
so they can be referenced together. This will allow memset(), memcpy(),
and sizeof() to more easily reason about sizes, improve readability,
and avoid future warnings about writing beyond the end of acmd:
In function 'fortify_memset_chk',
inlined from 'sata_fsl_qc_prep' at drivers/ata/sata_fsl.c:534:3:
./include/linux/fortify-string.h:199:4: warning: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning]
199 | __write_overflow_field();
| ^~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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bitmap_parselist() already clears the 'bits' bitmap, so there is no need
to clear it when it is allocated. This just wastes some cycles.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/d6ee621b9dd75b92f8831db365cee58dc2025322.1640813136.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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There is no need to create kobject children of the pktcdvd device just
to display a subdirectory name. Instead, use a named attribute group
which removes the extra kobjects and also fixes the userspace race where
the device is created yet tools like libudev can not see the attributes
as they think the subdirectories are some other sort of device.
Cc: linux-block@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220103162408.742003-1-gregkh@linuxfoundation.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Static variables do not need to be initialized to 0.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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On systems with large numbers of MDIO bus/muxes the message indicating
that a given MDIO bus has been successfully probed is repeated for as
many buses we have, which can eat up substantial boot time for no
reason, demote to a debug print.
Reported-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220103194024.2620-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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__fixed_phy_register"
This reverts commit b45396afa4177f2b1ddfeff7185da733fade1dc3 ("net: phy:
fixed_phy: Fix NULL vs IS_ERR() checking in __fixed_phy_register")
since it prevents any system that uses a fixed PHY without a GPIO
descriptor from properly working:
[ 5.971952] brcm-systemport 9300000.ethernet: failed to register fixed PHY
[ 5.978854] brcm-systemport: probe of 9300000.ethernet failed with error -22
[ 5.986047] brcm-systemport 9400000.ethernet: failed to register fixed PHY
[ 5.992947] brcm-systemport: probe of 9400000.ethernet failed with error -22
Fixes: b45396afa417 ("net: phy: fixed_phy: Fix NULL vs IS_ERR() checking in __fixed_phy_register")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220103193453.1214961-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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commit [1] causes missing bitmap updates when there isn't any WriteMostly
devices.
Detailed steps to reproduce by Norbert (which somehow didn't make to lore):
# setup md10 (raid1) with two drives (1 GByte sparse files)
dd if=/dev/zero of=disk1 bs=1024k seek=1024 count=0
dd if=/dev/zero of=disk2 bs=1024k seek=1024 count=0
losetup /dev/loop11 disk1
losetup /dev/loop12 disk2
mdadm --create /dev/md10 --level=1 --raid-devices=2 /dev/loop11 /dev/loop12
# add bitmap (aka write-intent log)
mdadm /dev/md10 --grow --bitmap=internal
echo check > /sys/block/md10/md/sync_action
root:# cat /sys/block/md10/md/mismatch_cnt
0
root:#
# remove member drive disk2 (loop12)
mdadm /dev/md10 -f loop12 ; mdadm /dev/md10 -r loop12
# modify degraded md device
dd if=/dev/urandom of=/dev/md10 bs=512 count=1
# no blocks recorded as out of sync on the remaining member disk1/loop11
root:# mdadm -X /dev/loop11 | grep Bitmap
Bitmap : 16 bits (chunks), 0 dirty (0.0%)
root:#
# re-add disk2, nothing synced because of empty bitmap
mdadm /dev/md10 --re-add /dev/loop12
# check integrity again
echo check > /sys/block/md10/md/sync_action
# disk1 and disk2 are no longer in sync, reads return differend data
root:# cat /sys/block/md10/md/mismatch_cnt
128
root:#
# clean up
mdadm -S /dev/md10
losetup -d /dev/loop11
losetup -d /dev/loop12
rm disk1 disk2
Fix this by moving the WriteMostly check to the if condition for
alloc_behind_master_bio().
[1] commit fd3b6975e9c1 ("md/raid1: only allocate write behind bio for WriteMostly device")
Fixes: fd3b6975e9c1 ("md/raid1: only allocate write behind bio for WriteMostly device")
Cc: stable@vger.kernel.org # v5.12+
Cc: Guoqing Jiang <guoqing.jiang@linux.dev>
Cc: Jens Axboe <axboe@kernel.dk>
Reported-by: Norbert Warmuth <nwarmuth@t-online.de>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Song Liu <song@kernel.org>
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The sparse checker complains about converting pointers between address
spaces. We correctly stored an __iomem pointer in struct spear13xx_pcie,
but discarded the __iomem when extracting app_base, causing one warning.
Then we passed the non-__iomem pointer to writel(), which expects an
__iomem pointer, causing another warning.
Add the appropriate annotations.
The sparse warnings look like this:
$ make C=2 drivers/pci/controller/
drivers/pci/controller/dwc/pcie-spear13xx.c:72:54: warning: incorrect type in initializer (different address spaces)
drivers/pci/controller/dwc/pcie-spear13xx.c:72:54: expected struct pcie_app_reg *app_reg
drivers/pci/controller/dwc/pcie-spear13xx.c:72:54: got void [noderef] __iomem *app_base
drivers/pci/controller/dwc/pcie-spear13xx.c:78:26: warning: incorrect type in argument 2 (different address spaces)
drivers/pci/controller/dwc/pcie-spear13xx.c:78:26: expected void volatile [noderef] __iomem *addr
drivers/pci/controller/dwc/pcie-spear13xx.c:78:26: got unsigned int *
Link: https://lore.kernel.org/r/20211223213749.1314142-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
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The sparse checker complains about converting pointers between address
spaces. The pci_config_window.priv pointer is a generic void *, but
hisi_pcie_map_bus() needs a void __iomem *.
This isn't a problem in other drivers because they store the __iomem
pointer in a driver struct. Add a trivial struct hisi_pcie to avoid the
warning.
The sparse warning looks like this:
$ make C=2 drivers/pci/controller/
drivers/pci/controller/dwc/pcie-hisi.c:61:37: warning: incorrect type in initializer (different address spaces)
drivers/pci/controller/dwc/pcie-hisi.c:61:37: expected void [noderef] __iomem *reg_base
drivers/pci/controller/dwc/pcie-hisi.c:61:37: got void *priv
Link: https://lore.kernel.org/r/20211223213749.1314142-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Zhou Wang <wangzhou1@hisilicon.com>
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Rename struct xilinx_cpm_pcie_port to xilinx_cpm_pcie to match the
convention of <driver>_pcie. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-24-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
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Rename struct xilinx_pcie_port to xilinx_pcie to match the convention of
<driver>_pcie. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-23-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
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Rename struct xgene_pcie_port to xgene_pcie to match the convention of
<driver>_pcie. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-22-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Toan Le <toan@os.amperecomputing.com>
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Rename struct uniphier_pcie_priv to uniphier_pcie to match the convention
of <driver>_pcie. No functional change intended.
[bhelgaas: drop extraneous uniphier_pcie_irq_ack() from patch]
Link: https://lore.kernel.org/r/20211223011054.1227810-21-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
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Rename tegra_pcie_dw to tegra194_pcie to match the convention of
<driver>_pcie. No functional change intended.
[bhelgaas: rename functions similarly]
Link: https://lore.kernel.org/r/20211223011054.1227810-20-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
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Rename struct rcar_pci_priv to rcar_pci to match the convention of
<driver>_pci. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-19-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
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Rename mt7621_pci_* structs and functions to mt7621_pcie_* for consistency
with the rest of the file.
Link: https://lore.kernel.org/r/20211223011054.1227810-18-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
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Rename struct mc_port to mc_pcie to match the convention of <driver>_pcie.
No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-16-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Daire McNamara <daire.mcnamara@microchip.com>
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Rename struct mtk_pcie_port to mtk_gen3_pcie to match the convention of
<driver>_pcie. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-15-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Jianjun Wang <jianjun.wang@mediatek.com>
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Rename struct ls_pcie_g4 to ls_g4_pcie to match the convention of
<driver>_pcie. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-14-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
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Rename iproc_pcie_pltfm_* to iproc_pltfm_pcie_* for consistency with other
drivers. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-13-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
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Rename iproc_pcie_bcma_* to iproc_bcma_pcie_* for consistency with other
drivers. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-12-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
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Rename struct intel_pcie_port to intel_pcie to match the convention of
<driver>_pcie. No functional change intended.
Link: https://lore.kernel.org/r/20211223011054.1227810-11-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Rahul Tanwar <rtanwar@maxlinear.com>
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The struct cdns_pcie already contains the struct device for the j721e PCIe
controller. There's no need to store another copy in struct j721e_pcie.
Remove the redundant copy from struct j721e_pcie.
Link: https://lore.kernel.org/r/20211223011054.1227810-10-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Tom Joseph <tjoseph@cadence.com>
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of_device_get_match_data() returns "void *", so no cast is needed when
assigning the result to a pointer type. Drop the unnecessary cast.
Link: https://lore.kernel.org/r/20211223011054.1227810-9-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Tom Joseph <tjoseph@cadence.com>
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The kirin driver only needs the device data, not the whole struct
of_device_id. Use of_device_get_match_data() instead of of_match_device().
No functional change intended.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20211223011054.1227810-8-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Xiaowei Song <songxiaowei@hisilicon.com>
Cc: Binghui Wang <wangbinghui@hisilicon.com>
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The keystone driver only needs the device data, not the whole struct
of_device_id. Use of_device_get_match_data() instead of of_match_device().
No functional change intended.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20211223011054.1227810-7-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
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The dra7xx driver only needs the device data, not the whole struct
of_device_id. Use of_device_get_match_data() instead of of_match_device().
No functional change intended.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20211223011054.1227810-6-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
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The designware-plat driver only needs the device data, not the whole struct
of_device_id. Use of_device_get_match_data() instead of of_match_device().
No functional change intended.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20211223011054.1227810-5-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
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The cadence driver only needs the device data, not the whole struct
of_device_id. Use of_device_get_match_data() instead of of_match_device().
No functional change intended.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20211223011054.1227810-4-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tom Joseph <tjoseph@cadence.com>
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The artpec6 driver only needs the device data, not the whole struct
of_device_id. Use of_device_get_match_data() instead of of_match_device().
No functional change intended.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20211223011054.1227810-3-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
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The altera driver only needs the device data, not the whole struct
of_device_id. Use of_device_get_match_data() instead of of_match_device().
No functional change intended.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20211223011054.1227810-2-helgaas@kernel.org
Signed-off-by: Fan Fei <ffclaire1224@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Joyce Ooi <joyce.ooi@intel.com>
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When a stop is requested on a crash, it is useless to try to shutdown it
gracefully, it is crashed.
In this case don't send the STM32_MBX_SHUTDOWN mailbox message that
will block the recovery during 500 ms, waiting an answer from the
coprocessor.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20211221143129.18415-1-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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The function to retrieve battery info (from the device tree) assumes
we have a static info struct that gets populated by calling into
power_supply_get_battery_info().
This is awkward since I want to support tables of static battery
info by just assigning a pointer to all info based on e.g. a
compatible value in the device tree.
We also have a mixture of static and dynamically allocated
variables here.
Bite the bullet and let power_supply_get_battery_info() allocate
also the memory used for the very top level
struct power_supply_battery_info container. Pass pointers
around and lifecycle this with the psy device just like the
stuff we allocate inside it.
Change all current users over.
As part of the change, initializers need to be added to some
previously uninitialized fields in struct
power_supply_battery_info.
Reviewed-By: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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