Commit Graph

915652 Commits

Author SHA1 Message Date
Hans de Goede c03ee9af4e Bluetooth: btbcm: Add 2 missing models to subver tables
Currently the bcm_uart_subver_ and bcm_usb_subver_table-s lack entries
for the BCM4324B5 and BCM20703A1 chipsets. This makes the code use just
"BCM" as prefix for the filename to pass to request-firmware, making it
harder for users to figure out which firmware they need. This especially
is problematic with the UART attached BCM4324B5 where this leads to the
filename being just "BCM.hcd".

Add the 2 missing devices to subver tables. This has been tested on:

1. A Dell XPS15 9550 where this makes btbcm.c try to load
"BCM20703A1-0a5c-6410.hcd" before it tries to load "BCM-0a5c-6410.hcd".

2. A Thinkpad 8 where this makes btbcm.c try to load
"BCM4324B5.hcd" before it tries to load "BCM.hcd"

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:59 +02:00
Hans de Goede 74530a639a Bluetooth: btbcm: Try multiple Patch filenames when loading the Patch firmware
Currently the bcm_uart_subver_ and bcm_usb_subver_table-s lack entries
for various newer chipsets. This makes the code use just "BCM" as prefix
for the filename to pass to request-firmware, making it harder for users
to figure out which firmware they need. This especially a problem with
UART attached devices where this leads to the filename being "BCM.hcd".

If we add new entries to the subver-tables now, then this will change
what firmware file the kernel looks for, e.g. currently linux-firmware
contains a brcm/BCM-0bb4-0306.hcd file. If we add the info for the
BCM20703A1 to the subver table, then this will change to
brcm/BCM20703A1-0bb4-0306.hcd. This will cause the file to no longer
get loaded breaking Bluetooth for existing users, going against the
no regressions policy.

To avoid this regression make the btbcm code try multiple filenames,
first try the fullname, e.g. BCM20703A1-0bb4-0306.hcd and if that is
not found, then fallback to the name with just BCM as prefix.

This commit also adds an info message which filename was used,
this makes the output look like this for example:

[   57.387867] Bluetooth: hci0: BCM20703A1
[   57.387870] Bluetooth: hci0: BCM20703A1 (001.001.005) build 0000
[   57.389438] Bluetooth: hci0: BCM20703A1 'brcm/BCM20703A1-0a5c-6410.hcd' Patch
[   58.681769] Bluetooth: hci0: BCM20703A1 Generic USB 20Mhz fcbga_BU
[   58.681772] Bluetooth: hci0: BCM20703A1 (001.001.005) build 0481

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:58 +02:00
Hans de Goede f53b975cf1 Bluetooth: btbcm: Bail sooner from btbcm_initialize() when not loading fw
If we have already loaded the firmware/patchram and btbcm_initialize()
is called to re-init the HCI after this then there is no need to get
the USB device-ids and build a firmware-filename out of these.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:58 +02:00
Hans de Goede 0383f16a87 Bluetooth: btbcm: Make btbcm_setup_patchram use btbcm_finalize
On UART attached devices we do:

1. btbcm_initialize()
2. Setup UART baudrate, etc.
3. btbcm_finalize()

After our previous changes we can now also use btbcm_finalize() from
the btbcm_setup_patchram() function used on USB devices without any
functional changes. This completes unifying the USB and UART paths
as much as possible.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:58 +02:00
Hans de Goede 2fcdd562b9 Bluetooth: btbcm: Make btbcm_initialize() print local-name on re-init too
Make btbcm_initialize() get and print the device's local-name on re-init
too, this will make us also print the local-name after loading the
Patch on UART attached devices making things more consistent.

This also removes some code duplication from btbcm_setup_patchram()
and allows more code duplication removal there in a follow-up patch.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:58 +02:00
Hans de Goede 0287c5d84f Bluetooth: btbcm: Fold Patch loading + applying into btbcm_initialize()
Instead of having btbcm_initialize() fill a passed in fw_name buffer
and then have its callers use that to request the firmware + load
it into the HCI, make btbcm_initialize() do this itself the first
time it is called (its get called a second time to reset the HCI
after the firmware has been loaded).

This removes some code duplication and makes it easier for further
patches in this series to try more then 1 firmware filename.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:58 +02:00
Hans de Goede f8c51d28e9 Bluetooth: btbcm: Move setting of USE_BDADDR_PROPERTY quirk to hci_bcm.c
btbcm_finalize() is currently only used by UART attached BCM devices.

Move the setting of the USE_BDADDR_PROPERTY quirk, which we only want
for UART attached devices to hci_bcm in preparation for using
btbcm_finalize() for USB attached devices too.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:58 +02:00
Hans de Goede 3fef10ec32 Bluetooth: btbcm: Drop upper nibble version check from btbcm_initialize()
btbcm_initialize() must either return an error; or fill the passed in
fw_name, otherwise we end up passing uninitialized stack memory to
request_firmware().

Since we have a fallback hw_name of "BCM" not having a known version
in the subver field does not matter, drop the check so that we always
fill the passed in fw_name.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-04-22 19:43:58 +02:00
David S. Miller 44dd5efc97 Merge branch 'Support-programmable-pins-for-Ocelot-PTP-driver'
Yangbo Lu says:

====================
Support programmable pins for Ocelot PTP driver

The Ocelot PTP clock driver had been embedded into ocelot.c driver.
It had supported basic gettime64/settime64/adjtime/adjfine functions
by now which were used by both Ocelot switch and Felix switch.

This patch-set is to move current ptp clock code out of ocelot.c driver
maintaining as a single ocelot_ptp.c driver, and to implement 4
programmable pins with only PTP_PF_PEROUT function for now.
The PTP_PF_EXTTS function will be supported in the future, and it should
be implemented separately for Felix and Ocelot, because of different
hardware interrupt implementation in them.

Changes for v2:
	- Put PTP driver under drivers/net/ethernet/mscc/.
	- Dropped MAINTAINERS patch. Kept original maintaining.
	- Initialized PTP separately in ocelot/felix platforms.
	- Supported PPS case in programmable pin.
	- Supported disabling pin function since deadlock is fixed by Richard.
	- Returned -EBUSY if not finding pin available.
Changes for v3:
	- Re-sent.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:34 -07:00
Yangbo Lu 5287be405c net: dsa: felix: enable PTP programmable pin
Enable PTP programmable pin.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:34 -07:00
Yangbo Lu aabb2bb07c net: mscc: ocelot: enable PTP programmable pin
Enable PTP programmable pin.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:34 -07:00
Yangbo Lu cc2d87bb83 net: mscc: ocelot: support 4 PTP programmable pins
Support 4 PTP programmable pins with only PTP_PF_PEROUT function
for now. The PTP_PF_EXTTS function will be supported in the
future, and it should be implemented separately for Felix and
Ocelot, because of different hardware interrupt implementation
in them.

Since the hardware is not able to support absolute start time,
the periodic clock request only allows start time 0 0. But nsec
could be accepted for PPS case for phase adjustment.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu 94aca08244 net: mscc: ocelot: add wave programming registers definitions
Add wave programming registers definitions for Ocelot platforms.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu 3007bc7321 net: mscc: ocelot: redefine PTP pins
There are 5 PTP_PINS register groups on Ocelot switch.
Except the one used for TOD operations, there are still
4 register groups for programmable pins. So redefine the
4 programmable pins.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu d2b09a8e7b net: mscc: ocelot: fix timestamp info if ptp clock does not work
The timestamp info should be only software timestamp capabilities
if ptp clock does not work.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu 2b49d128b3 net: mscc: ocelot: move ocelot ptp clock code out of ocelot.c
The Ocelot PTP clock driver had been embedded into ocelot.c driver.
It had supported basic gettime64/settime64/adjtime/adjfine functions
by now which were used by both Ocelot switch and Felix switch.

This patch is to move current ptp clock code out of ocelot.c driver
maintaining as a single ocelot_ptp.c.
For futher new features implementation, the common code could be put
in ocelot_ptp.c and the switch specific code should be in specific
switch driver. The interrupt implementation in SoC is different
between Ocelot and Felix.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
David S. Miller 59211053f0 Merge branch 'vermagic-non-global'
Leon Romanovsky says:

====================
Remove vermagic header from global include folder

Changelog:
v2:
 * Changed the implementation of patch #4 to be like Masahiro wants.
I personally don't like this implementation and changing it just to move forward
this this patchset.
v1:
https://lore.kernel.org/lkml/20200415133648.1306956-1-leon@kernel.org
 * Added tags
 * Updated patch #4 with test results
 * Changed scripts/mod/modpost.c to create inclusion of vermagic.h
   from kernel folder and not from general include/linux. This is
   needed to generate *.mod.c files, while building modules.
v0:
https://lore.kernel.org/lkml/20200414155732.1236944-1-leon@kernel.org

This is followup to the failure reported by Borislav [1] and suggested
fix later on [2].

The series removes all includes of linux/vermagic.h, updates hns and
nfp to use same kernel versioning scheme (exactly like we did for
other drivers in previous cycle) and removes vermagic.h from global
include folder.

[1] https://lore.kernel.org/lkml/20200411155623.GA22175@zn.tnic
[2] https://lore.kernel.org/lkml/20200413080452.GA3772@zn.tnic
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:38 -07:00
Leon Romanovsky 51161bfc66 kernel/module: Hide vermagic header file from general use
VERMAGIC* definitions are not supposed to be used by the drivers,
see this [1] bug report, so introduce special define to guard inclusion
of this header file and define it in kernel/modules.h and in internal
script that generates *.mod.c files.

In-tree module build:
➜  kernel git:(vermagic) ✗ make clean
➜  kernel git:(vermagic) ✗ make M=drivers/infiniband/hw/mlx5
➜  kernel git:(vermagic) ✗ modinfo drivers/infiniband/hw/mlx5/mlx5_ib.ko
filename:	/images/leonro/src/kernel/drivers/infiniband/hw/mlx5/mlx5_ib.ko
<...>
vermagic:       5.6.0+ SMP mod_unload modversions

Out-of-tree module build:
➜  mlx5 make -C /images/leonro/src/kernel clean M=/tmp/mlx5
➜  mlx5 make -C /images/leonro/src/kernel M=/tmp/mlx5
➜  mlx5 modinfo /tmp/mlx5/mlx5_ib.ko
filename:       /tmp/mlx5/mlx5_ib.ko
<...>
vermagic:       5.6.0+ SMP mod_unload modversions

[1] https://lore.kernel.org/lkml/20200411155623.GA22175@zn.tnic
Reported-by: Borislav Petkov <bp@suse.de>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Jessica Yu <jeyu@kernel.org>
Co-developed-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Leon Romanovsky b4f3721981 net/nfp: Update driver to use global kernel version
Change nfp driver to use globally defined kernel version.

Reported-by: Borislav Petkov <bp@suse.de>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Leon Romanovsky cad99e5068 net/hns: Remove custom driver version in favour of global one
Use globally defined kernel version instead of custom driver variant.

Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Leon Romanovsky 1c79031f8a drivers: Remove inclusion of vermagic header
Get rid of linux/vermagic.h includes, so that MODULE_ARCH_VERMAGIC from
the arch header arch/x86/include/asm/module.h won't be redefined.

  In file included from ./include/linux/module.h:30,
                   from drivers/net/ethernet/3com/3c515.c:56:
  ./arch/x86/include/asm/module.h:73: warning: "MODULE_ARCH_VERMAGIC"
redefined
     73 | # define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
        |
  In file included from drivers/net/ethernet/3com/3c515.c:25:
  ./include/linux/vermagic.h:28: note: this is the location of the
previous definition
     28 | #define MODULE_ARCH_VERMAGIC ""
        |

Fixes: 6bba2e89a8 ("net/3com: Delete driver and module versions from 3com drivers")
Co-developed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Shannon Nelson <snelson@pensando.io> # ionic
Acked-by: Sebastian Reichel <sre@kernel.org> # power
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Colin Ian King b6246f4d8d net: ipv4: remove redundant assignment to variable rc
The variable rc is being assigned with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:26:58 -07:00
David S. Miller bd1266d3f2 Merge branch 'net-bcmgenet-Clean-up-after-ACPI-enablement'
Andy Shevchenko says:

====================
net: bcmgenet: Clean up after ACPI enablement

ACPI enablement series had missed some clean ups that would have been done
at the same time. Here are these bits.

In v2:
- return dev_dbg() calls to avoid spamming logs when probe is deferred (Florian)
- added Ack (Florian)
- combined two, earlier sent, series together
- added couple more patches
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
Andy Shevchenko 7d3cca75c1 net: bcmgenet: Drop too many parentheses in bcmgenet_probe()
No need to have parentheses around plain pointer variable or
negation operator. Drop them for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
Andy Shevchenko d2af1420cb net: bcmgenet: Use get_unligned_beXX() and put_unaligned_beXX()
It's convenient to use get_unligned_beXX() and put_unaligned_beXX() helpers
to get or set MAC instead of open-coded variants.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00