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Bus state should be the correct flag for bus status. Use it instead
of result from previous function call for backplane clock switch.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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brcmf_sdbrcm_isr doesn't access to the dongle through SDIO bus.
Stop releasing and claiming host in irq handler to eliminate
any potential risk.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The signal and noise are forced to be positive since ethtool
deals in unsigned 64-bit values and this number should be human
readable. This gives easy access to some of the data formerly
exposed in the deprecated /proc/net/wireless file.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This adds hooks to call into the driver to get additional
stats for the ethtool API.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This lets ethtool print out stats related to stations
connected to the interface. Does not yet get stats
from the underlying driver.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"iwlwifi: use correct released ucode version" change
the ucode api ok from 6000G2 to 6000G2B, but it shall belong
to 6030 device series, not the 6005 device series. Fix it
Cc: stable@vger.kernel.org #3.3+
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Report correctly the latest released version
of the iwlwifi firmware for all
iwlwifi-supported devices.
Cc: stable@vger.kernel.org #3.3+
Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Currently cfg80211 fails to create a "phy80211" symlink in sysfs from
the net device to the wiphy device. The latter needs to be registered
first.
Compile-tested only.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Currently cfg80211 fails to create a "phy80211" symlink in sysfs from
the net device to the wiphy device. The latter needs to be registered
first.
Compile-tested only.
Reported-by: Cesare Leonardi <celeonar@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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RFCSR is only used in rt2800. For other chipsets, the debug struct
for rfcsr should be zeroed, which isn't be an issue, since the code
can now cope with that.
Signed-off-by: Anisse Astier <anisse@astier.eu>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Allow a register to be unspecified, therefore not creating its debugfs
file entry.
Signed-off-by: Anisse Astier <anisse@astier.eu>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ipw_pci_probe
The problem was found by Stefan Lippers-Hollmann
http://marc.info/?l=linux-wireless&m=132720334512946&w=2
WARNING: at /tmp/buildd/linux-aptosid-3.2/debian/build/source_i386_none/net/wireless/core.c:562 wiphy_register+0x45/0x38d [cfg80211]()
Hardware name: TravelMate 290 \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff
Modules linked in: ipw2200(+) iTCO_wdt libipw joydev drm snd_seq snd_timer snd_seq_device iTCO_vendor_support yenta_socket snd intel_agp i2c_i801 pcmcia_rsrc cfg80211 soundcore parport_pc psmouse parport rng_core snd_page_alloc serio_raw pcspkr i2c_algo_bit intel_gtt pcmcia_core evdev irda crc_ccitt rfkill lib80211 processor container ac battery shpchp pci_hotplug button ext4 mbcache jbd2 crc16 dm_mod sd_mod sr_mod crc_t10dif cdrom ata_generic pata_acpi ata_piix libata scsi_mod firewire_ohci firewire_core crc_itu_t 8139too 8139cp mii uhci_hcd ehci_hcd usbcore usb_common [last unloaded: scsi_wait_scan]
Pid: 328, comm: modprobe Not tainted 3.2-1.slh.4-aptosid-686 #1
Call Trace:
[<c012eaf4>] ? warn_slowpath_common+0x7c/0x8f
[<e0ff0b3e>] ? wiphy_register+0x45/0x38d [cfg80211]
[<e0ff0b3e>] ? wiphy_register+0x45/0x38d [cfg80211]
[<c012eb22>] ? warn_slowpath_null+0x1b/0x1f
[<e0ff0b3e>] ? wiphy_register+0x45/0x38d [cfg80211]
[<c01f89d7>] ? internal_create_group+0xf5/0xff
[<e0a2de1c>] ? ipw_pci_probe+0xa9a/0xbd0 [ipw2200]
[<c01519f4>] ? arch_local_irq_save+0xf/0x14
[<c0252986>] ? pci_device_probe+0x53/0x9a
[<c02c2820>] ? driver_probe_device+0x94/0x124
[<c0252871>] ? pci_match_id+0x15/0x34
[<c02c28f0>] ? __driver_attach+0x40/0x5b
[<c02c1d81>] ? bus_for_each_dev+0x37/0x60
[<c02c25aa>] ? driver_attach+0x17/0x1a
[<c02c28b0>] ? driver_probe_device+0x124/0x124
[<c02c22c4>] ? bus_add_driver+0x92/0x1d1
[<e099d000>] ? 0xe099cfff
[<c02c2cb8>] ? driver_register+0x7d/0xd4
[<c017cd50>] ? jump_label_module_notify+0xec/0x167
[<e099d000>] ? 0xe099cfff
[<c0253017>] ? __pci_register_driver+0x32/0x87
[<e099d000>] ? 0xe099cfff
[<e099d02e>] ? ipw_init+0x2e/0x72 [ipw2200]
[<c0101173>] ? do_one_initcall+0x7d/0x132
[<c0145016>] ? __blocking_notifier_call_chain+0x47/0x4f
[<c0154a73>] ? sys_init_module+0x13a4/0x159c
[<c03a639f>] ? sysenter_do_call+0x12/0x28
This warning appears only if we apply Ben Hutchings' fix
http://marc.info/?l=linux-wireless&m=132720195012653&w=2
for the bug reported by Cesare Leonardi
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=656813
with cfg80211 warning during device registration
("cfg80211: failed to add phy80211 symlink to netdev!").
We separate device bring up and registration with network stack
to avoid the problem.
After that Ben Hutchings' fix can be applied to fix the bug.
Cc: stable@kernel.org
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Change-Id: I10e42e0cc7dd91047f093ea2c5a55d65c004ada6
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Reviewed-on: http://git-mwg.jer.intel.com/gerrit/1939
Tested-by: Jenkins
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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If a mesh peer indicates it is operating as 20MHz-only in its HT
operation IE, have the rate control algorithm respect this by disabling
the equivalent bit in the ieee80211_sta HT capabilities.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Drivers need the station rate info when inserting a new sta_info. The
patch "mac80211: refactor mesh peer initialization" wrongly assumed the
rate info could be applied after insertion. After further review, this
is clearly not the case.
This fixes a regression where HT parameters were not applied before
inserting the sta_info, causing performance degradation.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"oui_type" in structure "ieee_types_vendor_header" is not used separately,
so include it in "oui" array. Now complete oui will be compared fixing
following warnings.
drivers/net/wireless/mwifiex/sta_ioctl.c:1410 mwifiex_set_gen_ie_helper()
error: memcmp() 'pvendor_ie->oui' too small (3 vs 4)
drivers/net/wireless/mwifiex/sta_ioctl.c:1435 mwifiex_set_gen_ie_helper()
error: memcmp() 'pvendor_ie->oui' too small (3 vs 4)
drivers/net/wireless/mwifiex/scan.c:1177 mwifiex_update_bss_desc_with_ie()
error: memcmp() 'vendor_ie->vend_hdr.oui' too small (3 vs 4)
drivers/net/wireless/mwifiex/scan.c:1185 mwifiex_update_bss_desc_with_ie()
error: memcmp() 'vendor_ie->vend_hdr.oui' too small (3 vs 4)
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The rate control updation never be called on 2040 BSS change.
The station should update its rate control on receiving beacon
with different HT mode in the HT operation IE. Not doing so,
leads to sending frames with higher(ht40) rates whereas AP is
operating in lower mode (ht20).
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The ftrace_disable_cpu() and ftrace_enable_cpu() functions were
needed back before the ring buffer was lockless. Now that the
ring buffer is lockless (and has been for some time), these functions
serve no purpose, and unnecessarily slow down operations of the tracer.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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It's appropriate to use __seq_open_private interface to open
some of trace seq files, because it covers all steps we are
duplicating in tracing code - zallocating the iterator and
setting it as seq_file's private.
Using this for following files:
trace
available_filter_functions
enabled_functions
Link: http://lkml.kernel.org/r/1335342219-2782-5-git-send-email-jolsa@redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
[
Fixed warnings for:
kernel/trace/trace.c: In function '__tracing_open':
kernel/trace/trace.c:2418:11: warning: unused variable 'ret' [-Wunused-variable]
kernel/trace/trace.c:2417:19: warning: unused variable 'm' [-Wunused-variable]
]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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modified: drivers/net/wireless/mwifiex/Kconfig
- notate additional chipset
modified: drivers/net/wireless/mwifiex/sdio.c
- add definition of id (0x9116)
- add to switch for firmware load
- add MODULE_FIRMWARE
modified: drivers/net/wireless/mwifiex/sdio.h
- add definition of default firmware name
Signed-off-by: Jason Plum <max@warheads.net>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is a cut and paste mistake, sizeof(struct mib_local) was intended
instead of sizeof(struct mib_phy). The call to at76_get_mib() uses
sizeof(struct mib_local) correctly, although I changed that to
sizeof(*m) for style reasons after discussion with some of the wireless
maintainers.
The current code works fine because mib_phy structs are larger than
mib_local structs. But we may as well clean it up.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This doesn't make any sense. Init it from the transport instead.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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There are various problems happened on 5GHz band not observed on
2.4 GHz (microcode errors, queue stuck, etc... ) . Also roaming
between 5GHz AP and 2GHz does not work very well. To workaround
the problems add option to disable 5GHz support. This will help
on environments where APs are dual-band, and devices will not try
to associate on band where issues happen.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Also remove a debug print when allocation error occurred.
The kernel will complain anyway.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Add the Loose coex LUT and will use later for better bt coex tpt
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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In bt coex, consider reduce tx power as part of ack/cts kill mask
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Add the reduce tx power information in bt coex host command
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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When bluetooth coex is active and certain condition matched,
driver need to decide should the tx power been reduce or not.
Adding the logic to manage it.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Do not assume we have our subsystem including this for us,
at least for older kernels this is not true. Lets just be
explicit about this requirement for the usage of wake_up().
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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platform_device pdev can be NULL if CONFIG_MMC_OMAP_HS is not set.
Add check for NULL pointer. while at it move the duplicated functions
to omap4-common.c
Fixes the following boot crash seen with omap4sdp and omap4panda
when MMC is disabled.
Unable to handle kernel NULL pointer dereference at virtual address 0000008c
pgd = c0004000
[0000008c] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 0 Not tainted (3.4.0-rc1-05971-ga4dfa82 #4)
PC is at omap_4430sdp_init+0x184/0x410
LR is at device_add+0x1a0/0x664
Signed-off-by: Balaji T K <balajitk@ti.com>
Reported-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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SX1 board requirese i2c, so select it in Kconfig, otherwise I have the
following build error:
arch/arm/mach-omap1/board-sx1.c: In function 'sx1_i2c_write_byte':
arch/arm/mach-omap1/board-sx1.c:58:2: error: implicit declaration of function 'i2c_get_adapter' [-Werror=implicit-function-declaration]
arch/arm/mach-omap1/board-sx1.c:58:7: warning: assignment makes pointer from integer without a cast [enabled by default]
arch/arm/mach-omap1/board-sx1.c:67:2: error: implicit declaration of function 'i2c_transfer' [-Werror=implicit-function-declaration]
arch/arm/mach-omap1/board-sx1.c:68:2: error: implicit declaration of function 'i2c_put_adapter' [-Werror=implicit-function-declaration]
arch/arm/mach-omap1/board-sx1.c: In function 'sx1_i2c_read_byte':
arch/arm/mach-omap1/board-sx1.c:82:7: warning: assignment makes pointer from integer without a cast [enabled by default]
cc1: some warnings being treated as errors
make[1]: *** [arch/arm/mach-omap1/board-sx1.o] Error 1
make: *** [arch/arm/mach-omap1] Error 2
make: *** Waiting for unfinished jobs....
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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If dtb is provided the needed device will be created dynamically.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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If dtb is provided the needed device will be created dynamically.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Alignment was the last user of the ENABLE_INTS macro, which we can
now remove. All non-syscall exceptions now disable interrupts on
entry, they get re-enabled conditionally from C code. Don't
unconditionally re-enable in program check either, check the
original context.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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We had a case where we could turn on hard interrupts while
leaving the PACA_IRQ_HARD_DIS bit set in the PACA. This can
in turn cause a BUG_ON() to hit in __check_irq_replay() due
to interrupt state getting out of sync.
The assembly code was also way too convoluted. Instead, we
now leave it to the C code to do the right thing which ends
up being smaller and more readable.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The r8169 may get stuck or show bad behaviour after activating TSO :
the net_device is not stopped when it has no more TX descriptors.
This problem comes from TX_BUFS_AVAIL which may reach -1 when all
transmit descriptors are in use. The patch simply tries to keep positive
values.
Tested with 8111d(onboard) on a D510MO, and with 8111e(onboard) on a
Zotac 890GXITX.
Signed-off-by: Julien Ducourthial <jducourt@free.fr>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch
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hwmod reset
Without runtime PM enabled, hwmod needs to leave all IP blocks in an
enabled state by default so any driver access to the HW will succeed.
This is accomplished by seting the postsetup_state to enabled for all
hwmods during init when runtime PM is disabled.
Currently, we have a special case for WDT in that its postsetup_state
is always set to disabled. This is done so that the WDT is disabled
and the timer is disarmed at boot in case there is no WDT driver.
This also means that when runtime PM is disabled, if a WDT driver *is*
built in the kernel, the kernel will crash on the first access to the
WDT hardware.
We can't simply leave the WDT module enabled, because the timer is
armed by default after reset. That means that if there is no WDT
driver initialzed or loaded before the timer expires, the kernel will
reboot.
To fix this, a custom reset method is added to the watchdog class of
omap_hwmod. This method will *always* disarm the timer after hwmod
reset. The WDT timer then will only be rearmed when/if the driver is
loaded for the WDT. With the timer disarmed by default, we no longer
need a special-case for the postsetup_state of WDT during init, so it
is removed.
Any platforms wishing to ensure the watchdog remains armed across the
entire boot boot can simply disable the reset-on-init feature of the
watchdog hwmod using omap_hwmod_no_setup_reset().
Tested on 3530/Overo, 4430/Panda.
NOTE: on 4430, the hwmod OCP reset does not seem to rearm the timer as
documented in the TRM (and what happens on OMAP3.) I noticed this
because testing the HWMOD_INIT_NO_RESET feature with no driver loaded,
I expected a reboot part way through the boot, but did not see a
reboot. Adding some debug to read the counter, I verified that right
after OCP softreset, the counter is not firing. After writing the
magic start sequence, the timer starts counting. This means that the
timer disarm sequence added here does not seem to be needed for 4430,
but is technically the correct way to ensure the timer is disarmed, so
it is left in for OMAP4.
Special thanks to Paul Walmsley for helping brainstorm ideas to fix
this problem.
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[paul@pwsan.com: updated the omap2_wd_timer_reset() function in the
wake of commit 3c55c1baffa5f719eb2ae9729088bc867f972f53 ("ARM:
OMAP2+: hwmod: Revert "ARM: OMAP2+: hwmod: Make omap_hwmod_softreset
wait for reset status""); added kerneldoc; rolled in warning fix from Kevin]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Add 32k-sync timer hwmod-data and add ocp_if details to
omap2 & 3 hwmod table.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Use 'common' as name for the common irq number in hwmod data for the McBSP
ports. The same name already in use for OMAP2430, and OMAP3.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Restore of context is not done for OMAP4. This patch
adds the OMAP_I2C_FLAG_RESET_REGS_POSTIDLE in the OMAP4
hwmod data which activates the restore for OMAP4.
Currently the OMAP4 does not hit device off still the
driver may have support for it.
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Wamsley <paul@pwsan.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Use 'common' as name for the common irq number in hwmod data for the McBSP
ports. The same name already in use for OMAP2430, and the OMAP4 hwmod data
will be using the same name.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Add the HDQ1W hwmod for all OMAP2xxx devices.
Assume that OMAP2xxx chips have the same HDQ idle handling bug
as OMAP3:
http://www.spinics.net/lists/linux-omap/msg63576.html
and set the OCPIF_SWSUP_IDLE flag accordingly on the HDQ's OCP interface.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Add the HDQ1W hwmod for OMAP34xx, OMAP36xx, and AM3505/3517 devices.
According to the respective TRMs, it doesn't appear to be available for the
816x/814x or the AM335x.
The OCPIF_SWSUP_IDLE flag is added to work around an apparent hardware
bug: the hardware is not taking the CM_FCLKEN*_CORE.EN_HDQ bit into
account when considering whether to go idle:
http://www.spinics.net/lists/linux-omap/msg63576.html
This causes HDQ transfers to fail or become corrupt. Thanks to
NeilBrown for his help diagnosing and testing fixes for this problem.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: NeilBrown <neilb@suse.de>
Tested-by: NeilBrown <neilb@suse.de>
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