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Remove all DBG_88E calls from hal/rtl8188e_hal_init.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-21-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from hal/pwrseqcmd.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-20-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from hal/rtl8188e_cmd.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-19-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from hal/hal_intf.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-18-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from os_dep/rtw_android.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-17-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from os_dep/xmit_linux.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-16-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from os_dep/mlme_linux.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-15-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from os_dep/os_intfs.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself. Also remove variable declarations for variables which now go
unused as a result of this change with os_dep/os_intfs.c
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-14-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from os_dep/usb_intf.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-13-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from os_dep/ioctl_linux.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-12-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_mlme.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-11-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_ioctl_set.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-10-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_security.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-9-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_ieee80211.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-8-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_pwrctrl.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself. Also remove pmlmepriv declaration from within rtw_ps_processor
as it is now no longer used.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-7-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_ap.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-6-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_wlan_util.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-5-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_mlme_ext.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself. Also remove variable declarations for variables which now go
unused as a result of this change with core/rtw_mlme_ext.c
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-4-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_xmit.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Also remove static rtw_sctx_chk_warning_status function, as it no longer
has any callers.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-3-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all DBG_88E calls from core/rtw_efuse.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-2-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Converted visorhba from IDR to XArray. The abstract data type XArray is
more memory-efficient, parallelizable, and cache friendly. It takes
advantage of RCU to perform lookups without locking. Furthermore, IDR is
deprecated because XArray has a better (cleaner and more consistent)
API.
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20210514081112.19542-1-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a leak in rtl8712 driver.
The problem was in non-freed adapter data if
firmware load failed.
This leak can be reproduced with this code:
https://syzkaller.appspot.com/text?tag=ReproC&x=16612f02d00000,
Autoload must fail (to not hit memory leak reported by syzkaller)
There are 2 possible ways how rtl871x_load_fw_cb() and
r871xu_dev_remove() can be called (in case of fw load error).
1st case:
r871xu_dev_remove() then rtl871x_load_fw_cb()
In this case r871xu_dev_remove() will wait for
completion and then will jump to the end, because
rtl871x_load_fw_cb() set intfdata to NULL:
if (pnetdev) {
struct _adapter *padapter = netdev_priv(pnetdev);
/* never exit with a firmware callback pending */
wait_for_completion(&padapter->rtl8712_fw_ready);
pnetdev = usb_get_intfdata(pusb_intf);
usb_set_intfdata(pusb_intf, NULL);
if (!pnetdev)
goto firmware_load_fail;
... clean up code here ...
}
2nd case:
rtl871x_load_fw_cb() then r871xu_dev_remove()
In this case pnetdev (from code snippet above) will
be zero (because rtl871x_load_fw_cb() set it to NULL)
And clean up code won't be executed again.
So, in all cases we need to free adapted data in rtl871x_load_fw_cb(),
because disconnect function cannot take care of it. And there won't be
any race conditions, because complete() call happens after setting
intfdata to NULL.
In previous patch I moved out free_netdev() from r8712_free_drv_sw()
and that's why now it's possible to free adapter data and then call
complete.
Fixes: 8c213fa591 ("staging: r8712u: Use asynchronous firmware loading")
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/81e68fe0194499cc2e7692d35bc4dcf167827d8f.1623620630.git.paskripkin@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Previous error handling path was unique for all
possible errors and there was unnecessary branching.
Also, one step for freeing drv_sw was missing. All
these problems was fixed by restructuring error
handling path.
Also, moved out free_netdev() from r8712_free_drv_sw() for
correct error handling.
Fixes: 2865d42c78 ("staging: r8712u: Add the new driver to the mainline kernel")
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/febb00f72354449bb4d305f373d6d2f47e539ab4.1623620630.git.paskripkin@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
bAPKThermalMeterIgnore in struct hal_data_8188e is never read and can
be removed.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210612180019.20387-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove power index members of struct hal_data_8188e that are written to
but never read.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210612180019.20387-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove some members of struct hal_data_8188e which are not used
in this driver.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210612180019.20387-1-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch changes msleep() to usleep_range() based on
Documentation/timers/timers-howto.txt. It suggests using usleep_range()
for small msec(1ms - 20ms) because msleep() will often sleep longer than
the desired value. Issue found by checkpatch.
Signed-off-by: Tobias Alam <tobiasalam@gmail.com>
Link: https://lore.kernel.org/r/YMa60p5dl0LMV/9D@tobias-VirtualBox
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Convert all calls to the DBG_88E macro in core/rtw_recv.c into
netdev_dbg calls. The DBG_88E macro is unnecessary, as visibility of
debug messages can be controlled more precisely by just using debugfs.
It is important to keep these messages still, as they are displayable
via a kernel module parameter when using DBG_88E.
One such converted call is after a failed skb allocation, but as it prints
additional information besides just stating failure, I've left it in
despite the checkpatch warning.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210613102459.7532-1-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Convert both calls to the DBG_88E macro in core/rtw_sta_mgt.c into
netdev_dbg calls. The DBG_88E macro is unnecessary, as visibility of
debug messages can be controlled more precisely by just using debugfs.
It is important to keep these messages still, as they are displayable
via a kernel module parameter when using DBG_88E.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210613102454.7480-1-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove HW_DEF_ODM_DBG_FLAG definition from the hal_def_variable enum
in include/hal_intf.h, and remove its usage from the switch statement
in rtw_hal_get_def_var inside hal/usb_halinit.c - this is dead code
and no longer used, now that ODM_RT_TRACE and include/odm_debug.h
have been removed.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210612181942.33817-1-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This code assumes that "len" is at least 62 bytes, but we need a check
to prevent a read overflow.
Fixes: 61e1210476 ("staging: gdm7240: adding LTE USB driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YMcoTPsCYlhh2TQo@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There needs to be a check to verify that we don't read beyond the end
of "buf". This function is called from do_rx(). The "buf" is the USB
transfer_buffer and "len" is "urb->actual_length".
Fixes: 61e1210476 ("staging: gdm7240: adding LTE USB driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YMcnl4zCwGWGDVMG@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.
Here an explicit structure is not used, because the holes would
necessitate the addition of an explict memset(), to avoid a kernel
data leak, making for a less minimal fix.
Found during an audit of all callers of iio_push_to_buffers_with_timestamp()
Fixes: 8fe78d5261 ("iio: vcnl4000: Add buffer support for VCNL4010/20.")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Mathieu Othacehe <m.othacehe@gmail.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-7-jic23@kernel.org
Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.
Here an explicit structure is not used, because this buffer is used in
a non-trivial way for data repacking.
Fixes: 121354b2ec ("iio: magnetometer: Add driver support for PNI RM3100")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Song Qiang <songqiang1304521@gmail.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-6-jic23@kernel.org
Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.
Fixes: f214ff521f ("iio: ti-ads8688: Update buffer allocation for timestamps")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-5-jic23@kernel.org
To make code more readable, use a structure to express the channel
layout and ensure the timestamp is 8 byte aligned.
Add a comment on why the buffer is the size it is as not immediately
obvious.
Found during an audit of all calls of this function.
Fixes: 6dd112b9f8 ("iio: adc: mxs-lradc: Add support for ADC driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Andreas Klinger <ak@it-klinger.de>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-4-jic23@kernel.org
To make code more readable, use a structure to express the channel
layout and ensure the timestamp is 8 byte aligned.
Found during an audit of all calls of this function.
Fixes: d3bf60450d ("iio: hx711: add triggered buffer support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Andreas Klinger <ak@it-klinger.de>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-3-jic23@kernel.org
To make code more readable, use a structure to express the channel
layout and ensure the timestamp is 8 byte aligned.
Found during an audit of all calls of this function.
Fixes: 5e1a1da0f8 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-2-jic23@kernel.org
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Merge tag 'v5.13-rc6' into staging-next
We want the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Highlights include
Stable fixes:
- Fix use-after-free in nfs4_init_client()
Bugfixes:
- Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
- Fix second deadlock in nfs4_evict_inode()
- nfs4_proc_set_acl should not change the value of NFS_CAP_UIDGID_NOMAP
- Fix setting of the NFS_CAP_SECURITY_LABEL capability
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Merge tag 'nfs-for-5.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- Fix use-after-free in nfs4_init_client()
Bugfixes:
- Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
- Fix second deadlock in nfs4_evict_inode()
- nfs4_proc_set_acl should not change the value of NFS_CAP_UIDGID_NOMAP
- Fix setting of the NFS_CAP_SECURITY_LABEL capability"
* tag 'nfs-for-5.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Fix second deadlock in nfs4_evict_inode()
NFSv4: Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
NFS: FMODE_READ and friends are C macros, not enum types
NFS: Fix a potential NULL dereference in nfs_get_client()
NFS: Fix use-after-free in nfs4_init_client()
NFS: Ensure the NFS_CAP_SECURITY_LABEL capability is set when appropriate
NFSv4: nfs4_proc_set_acl needs to restore NFS_CAP_UIDGID_NOMAP on error.
Four reasonably small fixes to the core for scsi host allocation
failure paths. The root problem is that we're not freeing the memory
allocated by dev_set_name(), which involves a rejig of may of the free
on error paths to do put_device() instead of kfree which, in turn, has
several other knock on ramifications and inspection turned up a few
other lurking bugs.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four reasonably small fixes to the core for scsi host allocation
failure paths.
The root problem is that we're not freeing the memory allocated by
dev_set_name(), which involves a rejig of may of the free on error
paths to do put_device() instead of kfree which, in turn, has several
other knock on ramifications and inspection turned up a few other
lurking bugs"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: Only put parent device if host state differs from SHOST_CREATED
scsi: core: Put .shost_dev in failure path if host state changes to RUNNING
scsi: core: Fix failure handling of scsi_add_host_with_dma()
scsi: core: Fix error handling of scsi_host_alloc()
The struct counter_synapse actions_list member expects a const enum
counter_synapse_action array. This patch renames
interrupt_cnt_synapse_actionss to interrupt_cnt_synapse_actions and adds
a const qualifier to match actions_list.
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Reviewed-by: <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20210610013642.149961-1-vilhelm.gray@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch marks the struct ltr501_chip_info as constant.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Nikita Travkin <nikita@trvn.ru> # ltr559
Link: https://lore.kernel.org/r/20210610134619.2101372-5-mkl@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The PS ADC Channel data is spread over 2 registers in little-endian
form. This patch adds the missing endianness conversion.
Fixes: 2690be9051 ("iio: Add Lite-On ltr501 ambient light / proximity sensor driver")
Signed-off-by: Oliver Lang <Oliver.Lang@gossenmetrawatt.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Nikita Travkin <nikita@trvn.ru> # ltr559
Link: https://lore.kernel.org/r/20210610134619.2101372-4-mkl@pengutronix.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ltr559 chip uses only the lowest bit of the ALS_CONTR register to
configure between active and stand-by mode. In the original driver
BIT(1) is used, which does a software reset instead.
This patch fixes the problem by using BIT(0) as als_mode_active for
the ltr559 chip.
Fixes: 8592a7eefa ("iio: ltr501: Add support for ltr559 chip")
Signed-off-by: Oliver Lang <Oliver.Lang@gossenmetrawatt.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Nikita Travkin <nikita@trvn.ru> # ltr559
Link: https://lore.kernel.org/r/20210610134619.2101372-3-mkl@pengutronix.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The regmap is configured for 8 bit registers, uses a RB-Tree cache and
marks several registers as volatile (i.e. do not cache).
The ALS and PS data registers in the chip are 16 bit wide and spans
two regmap registers. In the current driver only the base register is
marked as volatile, resulting in the upper register only read once.
Further the data sheet notes:
| When the I2C read operation starts, all four ALS data registers are
| locked until the I2C read operation of register 0x8B is completed.
Which results in the registers never update after the 2nd read.
This patch fixes the problem by marking the upper 8 bits of the ALS
and PS registers as volatile, too.
Fixes: 2f2c96338a ("iio: ltr501: Add regmap support.")
Reported-by: Oliver Lang <Oliver.Lang@gossenmetrawatt.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Nikita Travkin <nikita@trvn.ru> # ltr559
Link: https://lore.kernel.org/r/20210610134619.2101372-2-mkl@pengutronix.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
