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The bcm43xx-softmac driver fails to set two quantities needed for
iwlist to compute wireless quality when scanning. As a result, userland
programs using the quality to determine the best connection fail.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The rest of 8390 conversions; ifdef cascade in 8390.h is gone now.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
more 8390 conversions - mac8390, zorro8390 and hydra got the same treatment
as arm etherh; one more case in 8390.h ifdef cascade is gone.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
etherh and a handful of other odd drivers use different macros when building
8390.c. Since we generate a single 8390.o and then link with it, in any
config with both oddball and normal 8390-based driver we will end up with
breakage in at least one of them. Solution: take most of 8390.c into
lib8390.c and have 8390.c, etherh.c and the rest of oddballs #include it.
Helper macros are taken from 8390.h to whoever includes lib8390.c. That
way odd drivers get separate instances of compiled 8390 stuff and stop
stepping on each other's toes. 8390.h gets cleaned up - we don't have
the cascade of ifdefs in there and are left with the stuff that can be
used by any 8390-based driver. Current problems are exactly because of
that cascade - we attempt to choose the set of helpers by looking at config
and that, of course, doesn't work well when we have several sets needed
by various drivers in our config.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Add MII ioctl support to the deprecated sk98lin driver.
This allows comparison with skge driver's PHY settings.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Add support for dumping the registers in the deprecated
sk98lin driver. This is allows for easier comparison with
settings in new skge driver.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
pci_module_init() convertion in olympic.c
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This was spotted by coverity (cid #793). All callers dereference dev
before calling this functions, and we dereference it earlier in the
function, when initializing lp.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tobias Diedrich <ranma@tdiedrich.de> sayeth:
Vanilla forcedeth doesn't seem to support suspend and an ifdown/up-cycle is
needed to get it working again after suspend. Francois Romieu's "Awfully
experimental" patch is working just fine for me (with message signalled
interrupts disabled) and has survived quite a few suspend/resume cycles.
So I'd very much like to see (at least partial, with msi disabled)
suspend support for forcedeth in mainline.
(Addresses http://bugzilla.kernel.org/show_bug.cgi?id=6398)
Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc; Jeff Garzik <jeff@garzik.org>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch fixes a couple of problems discovered with interrupt handling
in the phylib core, namely:
1. The driver uses timer and workqueue calls, but does not include
<linux/timer.h> nor <linux/workqueue.h>.
2. The driver uses schedule_work() for handling interrupts, but does not
make sure any pending work scheduled thus has been completed before
driver's structures get freed from memory. This is especially
important as interrupts may keep arriving if the line is shared with
another PHY.
The solution is to ignore phy_interrupt() calls if the reported device
has already been halted and calling flush_scheduled_work() from
phy_stop_interrupts() (but guarded with current_is_keventd() in case
the function has been called through keventd from the MAC device's
close call to avoid a deadlock on the netlink lock).
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
patch-mips-2.6.18-20060920-phy-irq-16
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch adds support for interrupt-driven operation of the Broadcom
Gigabit Ethernet PHYs. I have included device IDs for the parts used on
Broadcom SiByte evaluation boards; more can be added as a need arises.
They are apparently generally software-compatible with one another.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
patch-mips-2.6.18-20060920-broadcom-phy-15
Signed-off-by: Jeff Garzik <jeff@garzik.org>
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
[PATCH] Fix an offset error when reading the CS89x0 ADD_PORT register
[PATCH] spidernet: poor network performance
[PATCH] Spidernet: remove ETH_ZLEN check in earlier patch
[PATCH] bonding: fix an oops when slave device does not provide get_stats
[PATCH] drivers/net: SAA9730: Fix build error
Revert "[PATCH] zd1211rw: Removed unneeded packed attributes"
[PATCH] zd1211rw: Fix of a locking bug
[PATCH] softmac: remove netif_tx_disable when scanning
[PATCH] ieee80211: Fix kernel panic when QoS is enabled
The attached patch against 2.6.19-rc6-mm1 fixes some problems in sata_nv
with ATAPI devices on controllers running in ADMA mode. Some of the
logic in the nv_adma_bmdma_* functions was inverted causing a bunch of
warnings and caused those functions not to work properly. Also, when an
ATAPI device is connected, we need to use the legacy DMA engine. The
code now disables the PCI configuration register bits for ADMA so that
this works, and ensures that no ATAPI DMA commands go through until this
is done.
Fixes Bugzilla http://bugzilla.kernel.org/show_bug.cgi?id=7538
Signed-off-by: Robert Hancock <hancockr@shaw.ca>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Again split the chipset init away and call it both on resume and on setup
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Another chipset which needs some reconfiguration after a resume. All the
chip setup is moved to a new function called in both setup and resume.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The major VIA issues were handled by the quirks update for resume quirks.
The ATA driver also has to do some work however when resuming from RAM.
Certain chips need the FIFO reconfiguring, and the 66MHz clock setup
updating.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Early AMD chips require FIFO and/or simplex flag clearing work on resume
from RAM. Most devices need no help
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
If you are using the noraid option then after a suspend/resume sequence
we need to reset the card back out of raid mode again.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The Serverworks chips need various fixups doing on a resume from RAM.
Conveniently the needed functions were already split out ready for re-use
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
On a resume of the CMD64x we must restore MRDMODE and latency if the BIOS
didn't get them right originally.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The CS5520 doesn't need much help to resume but we do need to restore
pcicfg which may have been reset to the BIOS default which is
sometimes incorrect.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch adds the suspend/resume callbacks for drivers which don't need
any additional help (beyond the pci resume quirk patch I posted earlier
anyway). Also bring version numbers back inline with master copies.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The SI680 can come back from s2ram with the clocks disabled (crash time)
or wrong (ugly as this can cause CRC errors, and in theory corruption).
On a resume we must put the clock back.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The RZ1000 is a generic device except that it has a readahead fifo flaw
that corrupts. We force this off at init time but we want to be paranoid
and force it off at resume as well. I don't know of any actual hardware
that supports both RZ1000 and suspend to RAM but given its a disk muncher
better safe than sorry.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Various chipset functions must be reprogrammed on a resume from RAM,
without this things like ATAPI DMA stop working on resume with some
chipset variants. Split the chipset programming and init time method selection into two functions.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This (and the pci resume quirk code) get the JMicron controllers to
resume properly. Without this patch the drive mapping changes when you
suspend/resume which is not good at all....
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The 5530 needs various set up performing both at init time and resume
time. To keep the code clean the common setup code is moved into a new
function and called from both handlers.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch updates the sata_promise driver as follows:
- Correct typo in definition of PDC_TBG_MODE: it's at 0x41C not 0x41
in first-generation chips. This error caused PCI access alignment
exceptions on SPARC64, and on all platforms it disabled the expected
initialisation of TBG mode.
- Add flags field to struct pdc_host_priv. Define PDC_FLAG_GEN_II
and use it to distinguish first- and second-generation chips.
- Prevent the FLASH_CTL FIFO_SHD bit from being set to 1 on second-
generation chips. This matches Promises' ulsata2 driver.
- Prevent TBG mode and SLEW rate initialisation in second-generation chips.
These two registers have moved, TBG mode has been redefined, and
Promise's ulsata2 driver no longer attempts to initialise them.
- Correct PCI device table so devices 0x3570, 0x3571, and 0x3d73 are
marked as 2057x (2nd gen) not 2037x (1st gen).
- Correct PCI device table so device 0x3d17 is marked as 40518
(2nd gen 4 ports) not 20319 (1st gen 4 ports).
- Correct pdc_ata_init_one() to treat 20771 as a second-generation chip.
Tested on 0x3d75 (2nd gen), 0x3d73 (2nd gen), and 0x3373 (1st gen) chips.
The information comes from the newly uploaded Promise SATA HW specs,
Promise's ultra and ulsata2 drivers, and debugging on 3d75/3d73/3373 chips.
hp->hotplug_offset could now be removed and its value recomputed
in pdc_host_init() using hp->flags, but that would be a cleanup
not a functional change, so I'm ignoring it for now.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Fixes crashes on sparc, and may correct weird behavior reported on
occasions, because we were never programming this register correctly (or
at all).
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Update ata_gen_ata_sense() to use desc format sense data to report the
first failed block. The first failed block is read from result_tf
using ata_tf_read_block() which can handle all three address formats.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
* s/ata_gen_ata_desc_sense/ata_gen_passthru_sense/
* s/ata_gen_fixed_sense/ata_gen_ata_sense/
* make both functions static
* neither function has locking requirement, change it to None.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
sb[7] should contain the length of whole information sense data
descriptor while desc[1] should contain the number of following bytes
in the descriptor. ie. 14 for sb[7] but 12 for desc[1].
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
libata didn't initialize result_tf.flags which indicates transfer type
(RW/FUA) and address type (CHS/LBA/LBA48). ata_gen_fixed_sense()
assumed result_tf.flags equals command tf.flags and failed to report
the first failed block to SCSI layer because zero tf flags indicates
CHS and bad block reporting for CHS is not implemented.
Implement fill_result_tf() which sets result_tf.flags to command
tf.flags and use it to fill result_tf.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
There's no need to memset &qc->sgent manually, sg_init_one() clears
sgent inside it. Also, kill not-so-necessary sg local variable.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Improve failed qc reporting. The original message didn't include the
actual command nor full error status and it was necessary to
temporarily patch the code to find out exactly which command is
causing problem. This patch makes EH report full command and result
TFs along with data direction and length. This change will make bug
reports more useful.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Now that PCS isn't used for device detection anymore...
* esb_sata is identical to ich5_sata
* no reason to know present_shift
* no reason to store map_db in host private area
The MAP table itself is left because it can be used for SCR access.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
PATA PIIX uses reset signature + TF r/w test for device presence
detection, which doesn't always work. It sometimes reports phantom
device which results in IDENTIFY timeouts.
SATA PIIX uses some combination of PCS + reset signature + TF r/w test
for device presence detection. No combination satifies all and for
some controllers, there doesn't seem to be any combination which
works reliably.
This patch makes both PATA and SATA piix's use reset signature + TF
r/w + polling IDENTIFY for device detection. This is what the old
libata (before irq-pio and new EH) did and what IDE does.
This patch also removes now obsolete PIIX_FLAG_IGNORE_PCS, force_pcs
and related code.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
On some controllers (ICHs in piix mode), there is *NO* reliable way to
determine device presence other than issuing IDENTIFY and see how the
transaction proceeds by watching the TF status register.
libata acted this way before irq-pio and phantom devices caused very
little problem but now that IDENTIFY is performed using IRQ drive PIO,
such phantom devices now result in multiple 30sec timeouts during
boot.
This patch implements ATA_FLAG_DETECT_POLLING. If a LLD sets this
flag, libata core issues the initial IDENTIFY in polling mode and if
the initial data transfer fails w/ HSM violation, the port is
considered to be empty thus replicating the old libata and IDE
behavior.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Make ata_dev_read_id() take @flags instead of @post_reset. Currently
there is only one flag defined - ATA_READID_POSTRESET, which is
equivalent to @post_reset. This is preparation for polling presence
detection.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Many drives support LBA48 even when its capacity is smaller than
1<<28, as LBA48 is required for many functionalities. FLUSH_EXT is
mandatory for drives w/ LBA48 support.
Interestingly, at least one of such drives (ST960812A) has problems
dealing with FLUSH_EXT. It eventually completes the command but takes
around 7 seconds to finish in many cases thus drastically slowing down
IO transactions. This seems to be a firmware bug which sneaked into
production probably because no other ATA driver including linux IDE
issues FLUSH_EXT to drives which report support for LBA48 & FLUSH_EXT
but is smaller than 1<<28 blocks.
This patch adds ATA_DFLAG_FLUSH_EXT which is set iff the drive
supports LBA48 & FLUSH_EXT and is larger than LBA28 limit. Both cache
flush paths are updated to issue FLUSH_EXT only when the flag is set.
Note that the changed behavior is more inline with the rest of libata.
libata prefers shorter commands whenever possible.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Danny Kukawka <dkukawka@novell.com>
Cc: Stefan Seyfried <seife@novell.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Some ICH8s use non-linear port mapping. ahci driver didn't use to
honor PORTS_IMPL and this made ports after hole nonfunctional. This
patch makes ahci mark those ports as dummy and properly initialize all
the implemented ports after the dummies.
As it's unknown whether other AHCIs implement PORTS_IMPL register
properly, new board id board_ahci_pi is added and selectively applied
to ICH8s. All other AHCIs continue to use linear mapping regardless
of PORTS_IMPL value.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
SiS965 and SiS180 chips must support slave mode,
SiS965L and SiS964 chips must not support slave mode.
SCR_STATUS for SATA ports in powerdown state fixed.
Now returning 0x0113 instead of 0x0117. Avoids problem
on detecting sata_sis controller.
Signed-off-by: Uwe Koziolek <uwe.koziolek@gmx.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
