Use the fact that for the first loop rq->current_nr_sectors is always
set and unify moving to the next buffer for read/write requests.
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Add handling of read requests to cdrom_start_write(), rename it
to cdrom_start_rw() and remove no longer needed cdrom_start_read().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Add handling of write requests to cdrom_start_read_continuation(),
rename it to cdrom_start_rw_cont() and remove no longer needed
cdrom_start_write_cont().
* Remove redundant '(rq->sector & (sectors_per_frame - 1)' check.
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Add handling of read requests to cdrom_write_intr(), rename it
to cdrom_rw_intr() and remove no longer needed cdrom_read_intr().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Add ide_cd_drain_data() and use it in cdrom_{buffer_sectors,read_intr}()
(as a nice side-effect this cuts 0.5kB of code from ide-cd.o).
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Add REQ_TYPE_{SENSE,ATA_PC} requests handling to cdrom_do_block_pc()
and remove cdrom_do_packet_command().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
cdrom_do_pc_continuation() is now identical to cdrom_do_newpc_cont()
so just always use the latter function.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Add handling of REQ_TYPE_{SENSE,ATA_PC} requests to cdrom_newpc_intr()
(please note that these requests never have 'bio' attached to them
and they never use DMA), then remove no longer needed cdrom_pc_intr().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
There is no need for it anylonger and ide_set_handler() complains
if ->handler is not NULL anyway.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This is a preparation to move code handling cdrom.c IOCTLs out of ide-cd.c.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Move lba_to_msf() and msf_to_lba() to <linux/cdrom.h>
(use 'u8' type instead of 'byte' while at it).
* Remove msf_to_lba() copy from drivers/cdrom/cdrom.c.
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Rename ide-cd kernel module to ide-cd_mod in preparation to moving code out
from ide-cd.[c,h]. Add MODULE_ALIAS("ide-cd") to preserve compatibility.
* Move VERBOSE_IDE_CD_ERRORS code from ide-cd.[c,h] to ide-cd_verbose.c.
ide-cd_verbose.c is IDE subsystem independent and may be easily converted
into generic library usable by other drivers (i.e. libata) if needed.
* Add CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS config option to drivers/ide/Kconfig
replacing VERBOSE_IDE_CD_ERRORS define. Make this config option enabled by
default and visible only if CONFIG_EMBEDDED is defined.
before the patch:
text data bss dec hex filename
22841 360 1056 24257 5ec1 drivers/ide/ide-cd.o
after the patch w/ CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y:
text data bss dec hex filename
22857 360 1056 24273 5ed1 drivers/ide/ide-cd_mod.o
after the patch w/ CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=n:
text data bss dec hex filename
15091 360 1056 16507 407b drivers/ide/ide-cd_mod.o
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Coding style fixes for VERBOSE_IDE_CD_ERRORS code.
* Add KERN_{ERR,CONT} printk() levels where needed.
This is a preparation for moving this code out of ide-cd.[c,h].
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Re-organize handling of quirky devices:
* Add struct cd_list_entry, ide_cd_quirks_list[] and ide_cd_flags() helper.
* Set flags returned by ide_cd_flags() in ide_cdrom_setup().
* Add IDE_CD_FLAG_VERTOS_{300_SDD,600_ESD} and IDE_CD_FLAG_SANYO_3CD flags.
* Move device quirks from ide_cdrom_setup() to ide_cd_quirks_list[].
* Rename IDE_CD_FLAG_NEC260 to IDE_CD_FLAG_PRE_ATAPI12 and handle
quirky Stingray 8X CD-ROM using ide_cd_quirks_list[].
* Add IDE_CD_FLAG_FULL_CAPS_PAGE flag and handle quirky ACER 50X CD-ROM
/ WPI 32X CD-ROM using ide_cd_quirk_list[].
* Add IDE_CD_FLAG_PLAY_AUDIO_OK flag and handle quirky MATSHITA DVD-ROMs
using ide_cd_quirks_list[].
* Add IDE_CD_FLAG_LE_SPEED_FIELDS flag and handle quirky ACER/AOpen 24X
CD-ROM using ide_cd_quirk_list[].
* Fix some comments about quirky devices while at it.
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Use BCD2BIN()/BIN2BCD() macros from <linux/bcd.h>
and remove the local bcd2bin()/bin2bcd() inlines.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Remove unused ->{writing,reserved} fields from struct ide_cd_config_flags.
* Move ->max_speed from struct ide_cd_config_flags to struct cdrom_info.
* Move ->current_speed from struct ide_cd_state_flags to struct cdrom_info.
* Add defines for config and state flags.
* Add 'unsigned int cd_flags' to struct cdrom_info and use ->cd_flags
instead of ->{config,state}_flags.
* Remove no longer needed struct ide_cd_{config,state}_flags.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
While at it rename 'info' variable to 'cd' in
ide_cdrom_probe_capabilities() and ide_cdrom_setup().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Use CDC_* flags directly and remove redundant flags from ->config_flags.
While at it:
* Add KERN_CONT to printk()-s in ide_cdrom_probe_capabilities().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
ide_cd_probe() zeroes 'info' prior to calling ide_cdrom_setup() so there
is no need to explicitly zero 'info' fields in the latter function.
Ditto for fields of CDROM_STATE_FLAGS(), CDROM_CONFIG_FLAGS() and 'cdi'
(all are embedded in 'info').
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Make cdrom_newpc_intr() match cdrom_{read,write}_intr() w.r.t.
handling DMA errors:
* disable DMA before cdrom_decode_status() call
* log the device name and the type of the request (read/write)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
If drive still wants to transfer the data we need to pad the transfer
instead of just finishing the request.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Add ide_cd_pad_transfer() helper and use it in cdrom_[new]pc_intr()
and cdrom_{read,write}_check_ireason().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Unify writing and reading handling in cdrom_pc_intr() using xfer_func_t.
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This patch fixes the following section mismatch:
<-- snip -->
...
WARNING: vmlinux.o(.text+0x3b641c): Section mismatch in reference from the function .pmac_ide_setup_device() to the function .init.text:.pmac_ide_setup_dma()
...
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
After commit 7267c33774
wait_drive_not_busy() can become static again.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
- ide_scan_pcibus() can become static
- instead of ide_scan_pci() we can use ide_scan_pcibus() directly
in module_init()
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
ide_dma_on can be unexported.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To avoid confusion between 'built-in' drivers and 'on-board'
controllers, consistently use the term 'on-board' for controllers.
Minor line-wrapping improvements in descriptions for config options.
[ Bart: thanks to Jan for 'built-in'->'on-board' suggestion ]
Signed-off-by: Frans Pop <elendil@planet.nl>
Cc: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Commit cbb010c180
ide: drop 'initializing' argument from ide_register_hw()
* Rename init_hwif_data() to ide_init_port_data() and export it.
* For all users of ide_register_hw() with 'initializing' argument set
hwif->present and hwif->hold are always zero so convert these host
drivers to use ide_find_port()+ide_init_port_data()+ide_init_port_hw()
instead (also no need for init_hwif_default() call since the setup
done by it gets over-ridden by ide_init_port_hw() call).
* Drop 'initializing' argument from ide_register_hw().
introduced the usage of a hwif variable, but forgot to declare the actual
variable.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (24 commits)
pci: allow multiple calls to pcim_enable_device()
Blackfin pata-bf54x driver: fix compiling bug - no ata_port struct in struct ata_device any more
Blackfin pata-bf54x driver: should cover all possible interrupt sources
Blackfin pata-bf54x driver: Add debug information
Blackfin pata-bf54x driver: Remove obsolete PM function
pata_sl82c105: dual channel support
ata_piix.c: make piix_merge_scr() static
sata_nv: fix for completion handling
sata_mv: Remove PCI dependency
sata_mv ncq Comments and version bump
sata_mv ncq Remove post internal cmd op
sata_mv ncq Enable NCQ operation
sata_mv ncq Introduce per-tag SG tables
ata_piix: IDE mode SATA patch for Intel ICH10 DeviceID's
ahci: RAID mode SATA patch for Intel ICH10 DeviceID's
sata_mv ncq Use DMA memory pools for hardware memory tables
sata_mv ncq Restrict max sectors to 8-bits on GenII NCQ
sata_mv ncq Ignore response status LSB on NCQ
sata_mv ncq Use hqtag instead of ioid
sata_mv ncq Add want ncq parameter for EDMA configuration
...
In order to correlate audit records to an individual login add a session
id. This is incremented every time a user logs in and is included in
almost all messages which currently output the auid. The field is
labeled ses= or oses=
Signed-off-by: Eric Paris <eparis@redhat.com>
There's no reason not to allow multiple calls to pcim_enable_device().
Calls after the first one can simply be noop. All PCI resources will
be released when the initial pcim_enable_device() resource is
released.
This allows more flexibility to managed PCI users.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch is based on an original patch from Kuan Luo of NVIDIA,
posted under subject "fixed a bug of adma in rhel4u5 with HDS7250SASUN500G".
His description follows. I've reworked it a bit to avoid some unnecessary
repeated checks but it should be functionally identical.
"The patch is to solve the error message "ata1: CPB flags CMD err,
flags=0x11" when testing HDS7250SASUN500G in rhel4u5.
I tested this hd in 2.6.24-rc7 which needed to remove the mask in
blacklist to run the ncq and the same error also showed up.
I traced the bug and found that the interrupt finished a command (for
example, tag=0) when the driver got that adma status is
NV_ADMA_STAT_DONE and cpb->resp_flags is NV_CPB_RESP_DONE.
However, For this hd, the drive maybe didn't clear bit 0 at this moment.
It meaned the hardware had not completely finished the command.
If at the same time the driver freed the command(tag 0) and sended
another command (tag 0), the error happened.
The notifier register is 32-bit register containing notifier value.
Value is bit vector containing one bit per tag number (0-31) in
corresponding bit positions (bit 0 is for tag 0, etc). When bit is set
then ADMA indicates that command with corresponding tag number completed
execution.
So i added the check notifier code. Sometimes i saw that the notifier
reg set some bits , but the adma status set NV_ADMA_STAT_CMD_COMPLETE
,not NV_ADMA_STAT_DONE. So i added the NV_ADMA_STAT_CMD_COMPLETE check
code."
Signed-off-by: Robert Hancock <hancockr@shaw.ca>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The integrated SATA controller is connected directly to the SoC's
internal bus, not via PCI interface. this patch removes the dependency
on the PCI interface.
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Remove some obsolete comments, and bump up the driver version number.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This driver currently has no need for the .post_internal_cmd op.
So get rid of it, to save unnecessary transitions between EDMA and non-EDMA modes.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Final changes to actually turn on NCQ in the driver for GEN_II/IIE hardware.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
In preparation for supporting NCQ, we must allocate separate SG tables
for each command tag, rather than just a single table per port as before.
Gen-I hardware cannot do NCQ, though, so we still allocate just a single
table for that, but populate it in all 32 slots to avoid special-cases
elsewhere in hotter paths of the code.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch adds the Intel ICH10 IDE mode SATA Controller DeviceID's.
Signed-off-by: Jason Gaston <jason.d.gaston@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch adds the Intel ICH10 SATA RAID Controllers DeviceID's.
Signed-off-by: Jason Gaston <jason.d.gaston@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Create host-owned DMA memory pools, for use in allocating/freeing per-port
command/response queues and SG tables. This gives us a way to guarantee we
meet the hardware address alignment requirements, and also reduces memory that
might otherwise be wasted on alignment gaps.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The GenII chips have only 8-bits for the sector_count field when performing NCQ.
Add a dev_config method to restrict this when necessary, taking care not to
override any other restriction already in place (likely none, but someday.. ?).
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Simplify tag handling by using the cid/hqtag field instead of ioid,
as recommended by Marvell.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
An extra EDMA config bit is required for NCQ operation.
So set/clear it as needed, and cache current setting in port_priv.
For now though, it will always be "off" (0).
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Simplify and fix EDMA configuration setup to match Marvell specificiations.
The chip documentation gives a specific (re)init sequence, which we now follow.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Use naming consistent with elsewhere in this driver.
This will keep things less confusing when we later add "hc_mmio" in this function.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The chips can handle many transient errors internally without a software IRQ.
We now mask/ignore those interrupts here. This is necessary for NCQ, later on.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
A hard reset is necessary after hotplug events.
Only clear the error irq bits that were set on entry.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: kill swap_io_context()
as-iosched: fix inconsistent ioc->lock context
ide-cd: fix leftover data BUG
block: make elevator lib checkpatch compliant
cfq-iosched: make checkpatch compliant
block: make core bits checkpatch compliant
block: new end request handling interface should take unsigned byte counts
unexport add_disk_randomness
block/sunvdc.c:print_version() must be __devinit
splice: always updated atime in direct splice
Use container_of() instead of assuming local uart struct is first member
of uart_port struct.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use IRQF_DISABLED instead of obsolete IRQ_FLG_STD for request_irq() flags
in m68328serial.c driver.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add configure support for new ColdFire serial driver.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add build support for new ColdFire serial driver.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The MSSR constants didn't match the reality - bitfield declarations used
to be correct (1000BT_FD - bit 11, 1000BT_HD - bit 10), but enum had
them the other way round. Went unnoticed until the switch from the
bitfields use to the explicit arithmetics and I hadn't caught that one
when verifying correctness of change...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It's perfectly legal to have data leftovers when a drive signals
completion, it happens all the time when a user issues a command
with a transfer count that is too large.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This patch removes the no longer used EXPORT_SYMBOL(add_disk_randomness).
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This patch fixes the following section mismatches:
<-- snip -->
...
WARNING: drivers/block/sunvdc.o(.text+0xf0): Section mismatch in reference from the function print_version() to the variable .devinit.data:version
WARNING: drivers/block/sunvdc.o(.text+0xf8): Section mismatch in reference from the function print_version() to the variable .devinit.data:version
...
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
We were checking for the ASYM_PAUSE bit for 1000Base-X twice instead
checking for both the 1000Base-X bit and the 10/100/1000Base-T bit.
The purpose of the logic is to tell the firmware that ASYM_PAUSE is
set on either the Serdes or Copper interface.
Problem was discovered by Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In drivers/net/macvlan.c, when rtnl_link_register() fails in
macvlan_init_module(), there is no point to set it (second time in
this method) to macvlan_handle_frame; macvlan_init_module() will
return a negative number, so instead this patch sets
macvlan_handle_frame_hook to NULL.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update firmware to support programmable flow control.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make use of the programmable high/low water marks in 5709 for
802.3 flow control.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The CTX_WR macro is unnecessary and obfuscates the code.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The REG_WR_IND/REG_RD_IND macros are unnecessary and obfuscate the
code. Many callers to these macros read and write shared memory from
the bp->shmem_base, so we add 2 similar functions that automatically
add the shared memory base.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make the tx coalescing setup code independent of the MSIX vector.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1. Correct the MII expansion serdes control register definition.
2. Check an additional RUDI_INVALID bit when determining 5706S link.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
