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* [PATCH] disable init/initramfs.cJean-Paul Saman2007-02-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The file init/initramfs.c is always compiled and linked in the kernel vmlinux even when BLK_DEV_RAM and BLK_DEV_INITRD are disabled and the system isn't using any form of an initramfs or initrd. In this situation the code is only used to unpack a (static) default initial rootfilesystem. The current init/initramfs.c code. usr/initramfs_data.o compiles to a size of ~15 kbytes. Disabling BLK_DEV_RAM and BLK_DEV_INTRD shrinks the kernel code size with ~60 Kbytes. This patch avoids compiling in the code and data for initramfs support if CONFIG_BLK_DEV_INITRD is not defined. Instead of the initramfs code and data it uses a small routine in init/noinitramfs.c to setup an initial static default environment for mounting a rootfilesystem later on in the kernel initialisation process. The new code is: 164 bytes of size. The patch is separated in two parts: 1) doesn't compile initramfs code when CONFIG_BLK_DEV_INITRD is not set 2) changing all plaforms vmlinux.lds.S files to not reserve an area of PAGE_SIZE when CONFIG_BLK_DEV_INITRD is not set. [deweerdt@free.fr: warning fix] Signed-off-by: Jean-Paul Saman <jean-paul.saman@nxp.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] Char: tty, delete wake_up_interruptible after tty_wakeupJiri Slaby2007-02-11
| | | | | | | | | | tty_wakeup calls wake_up_interruptible(&tty->write_wait) itself, it's not needed to wake up again after tty_wakeup returns. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] vt: refactor console SAK processingEric W. Biederman2007-02-11
| | | | | | | | | | | | | | | | | | | | This does several things. - It moves looking up of the current foreground console into process context where we can safely take the semaphore that protects this operation. - It uses the new flavor of work queue processing. - This generates a factor of do_SAK, __do_SAK that runs immediately. - This calls __do_SAK with the console semaphore held ensuring nothing else happens to the console while we process the SAK operation. - With the console SAK processing moved into process context this patch removes the xchg operations that I used to attempt to attomically update struct pid, because of the strange locking used in the SAK processing. With SAK using the normal console semaphore nothing special is needed. Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] drivers: add LCD supportMiguel Ojeda Sandonis2007-02-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for auxiliary displays, the ks0108 LCD controller, the cfag12864b LCD and adds a framebuffer device: cfag12864bfb. - Add a "auxdisplay/" folder in "drivers/" for auxiliary display drivers. - Add support for the ks0108 LCD Controller as a device driver. (uses parport interface) - Add support for the cfag12864b LCD as a device driver. (uses ks0108 LCD Controller driver) - Add a framebuffer device called cfag12864bfb. (uses cfag12864b LCD driver) - Add the usual Documentation, includes, Makefiles, Kconfigs, MAINTAINERS, CREDITS... - Miguel Ojeda will maintain all the stuff above. [rdunlap@xenotime.net: workqueue fixups] [akpm@osdl.org: kconfig fix] Signed-off-by: Miguel Ojeda Sandonis <maxextreme@gmail.com> Cc: Greg KH <greg@kroah.com> Acked-by: Paulo Marques <pmarques@grupopie.com> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] Drop __get_zone_counts()Christoph Lameter2007-02-11
| | | | | | | | Values are readily available via ZVC per node and global sums. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* libata: kill ATA_ENABLE_PATAJeff Garzik2007-02-09
| | | | | | | The ATA_ENABLE_PATA define was never meant to be permanent, and in recent kernels, it's already been unconditionally enabled. Remove. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: build fix after dmesg probe output changesJeff Garzik2007-02-09
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: Early CFA adapters are not required to support mode settingAlan2007-02-09
| | | | | | | | | | | | If we are doing a PIO setup for a CFA card and it blows up with a device error then assume it is an older CFA card which doesn't support this rather than failing the device out of existance. Stands seperate to the quieting patch but that is obviously useful with this change. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_nv: propagate ata_pci_device_do_resume return valueRobert Hancock2007-02-09
| | | | | | | | | | ata_pci_device_do_resume can fail if the PCI device couldn't be re-enabled. Update sata_nv to propagate the return value from this call and to not try to do any other resume activities if it fails. Fixes a compile warning. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_nv: wait for response on entering/leaving ADMA modeRobert Hancock2007-02-09
| | | | | | | | | | | | | | | Update sata_nv to wait for the controller to indicate via the status register that it has entered the requested state when switching between ADMA mode and register mode. This issue came up recently when debugging some problems with cache flush command timeouts and while it didn't appear to fix that problem, this is something we should likely be doing in any case. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Cc: Tejun Heo <htejun@gmail.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_nv: use ADMA for NODATA commandsRobert Hancock2007-02-09
| | | | | | | | | | | | | | | | | | | | | | | Some problems showed up recently with cache flush commands timing out on sata_nv. Previously these commands were always handled by transitioning to legacy mode from ADMA mode first. The timeout problem was worked around already by a change to the interrupt handling code for legacy mode, but for non-data commands like these it appears we can handle them in ADMA mode, so the switch to legacy mode is not needed. This patch changes the behavior so that we use ADMA mode to submit interrupt-driven commands with ATA_PROT_NODATA protocol. In addition to avoiding the problem mentioned above entirely, this avoids the overhead of switching to legacy mode and back to ADMA mode for handling cache flushes. When handling non-DMA-mapped commands, we leave the APRD blank and clear the NV_CPB_CTL_APRD_VALID field in the CPB so the controller does not attempt to read it. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_nv: cleanup ADMA error handlingRobert Hancock2007-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This cleans up a few issues with the error handling in sata_nv in ADMA mode to make it more consistent with other NCQ-capable drivers like ahci and sata_sil24: - When a command failed, we would effectively set AC_ERR_DEV on the queued command always. In the case of NCQ commands this prevents libata from doing a log page query to determine the details of the failed command, since it thinks we've already analyzed. Just set flags in the port ehi->err_mask, then freeze or abort and let libata figure out what went wrong. - The code handled NV_ADMA_STAT_CPBERR as a "really bad error" which caused it to set error flags on every queued command. I don't know exactly what this flag means (no docs, grr!) but from what I can guess from the standard ADMA spec, it just means that one or more of the CPBs had an error, so we just need to go through and do our normal checks in this case. - In the error_handler function the code would always dump the state of all the CPBs. This output seems redundant at this point since libata already dumps the state of all active commands on errors (and it also triggers at times when it shouldn't, like when suspending). Take this out. [akpm@osdl.org: many coding-style fixes] Signed-off-by: Robert Hancock <hancockr@shaw.ca> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Cc: Allen Martin <AMartin@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* (2.6.20) pata_mpiix: probing cleanup (resend)Sergei Shtylyov2007-02-09
| | | | | | | | | | | | MPIIX has only single channel IDE which can be configured for either primary or secondary legacy I/O ports and IRQ. So, get rid of the unneeded second probe entry in mpiix_init_one() and of the invalid (but unused anyway) enable bits in mpiix_pre_reset(). Warning: this cleanup has only been compile-tested... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* (2.6.20) pata_mpiix: fix PIO setup issuesSergei Shtylyov2007-02-09
| | | | | | | | | | Fix clearing/setting the wrong TIME/IE/PPE bits for a slave drive caused by a wrong shift count. Fix the PIO mode 1 being overclocked by wrongly selecting the fast timing bank. Also, fix/rephrase some comments while at it. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* (2.6.20) pata_oldpiix: fix PIO2 underclockingSergei Shtylyov2007-02-09
| | | | | | | | | Fix the PIO mode 2 using mode 0 timings -- this driver should enable the fast timing bank starting with PIO2, just like the ata_piix driver does. Also, fix/rephrase some comments while at it. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Kconfig: clarify ATA_PIIX descriptionAlan2007-02-09
| | | | | | | | People are getting confused about which drivers to enable for PATA PIIX type devices. Change the ATA_PIIX line and help to make it clearer. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_inic162x: fix a few glitches in hardresetTejun Heo2007-02-09
| | | | | | | | | | | | | * Hardreset must not exit without actually performing reset regardless of link status. We're resetting the link after all. * Minor message update. * 150ms delay is meaningful iff link is online after reset is complete. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: add 150ms between completion of hardreset and status checkingTejun Heo2007-02-09
| | | | | | | | | | | | | | Follow the old SRST rule and delay 150ms between completion of hardreset and status checking. Debouncing delay should usually cover this but debounce duration could be shorter than 150ms under certain circumstances. Usefulness depends on host controller implementation but it can't hurt and serves as a reminder that 2s delay for GoVault should also be added here. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: rearrange dmesg info to add full ATA revisionEric D. Mudama2007-02-09
| | | | | | | | | Per Jeff's suggestion, this patch rearranges the info printed for ATA drives into dmesg to add the full ATA firmware revision and model information, while keeping the output to 2 lines. Signed-off-by: Eric D. Mudama <edmudama@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_sl82c105: wrong assumptions about compatible PIO modesSergei Shtylyov2007-02-09
| | | | | | | Fix the wrong "compatible" PIO mode choices: MWDMA0 has 480 ns cycle while PIO1 only has 383 ns cycle, and MWDMA2 timings matchs those of PIO4 exactly. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: add another IRQ calls (libata drivers)Akira Iguchi2007-02-09
| | | | | | | | | | | | | | | | | | This patch is against each libata driver. Two IRQ calls are added in ata_port_operations. - irq_on() is used to enable interrupts. - irq_ack() is used to acknowledge a device interrupt. In most drivers, ata_irq_on() and ata_irq_ack() are used for irq_on and irq_ack respectively. In some drivers (ex: ahci, sata_sil24) which cannot use them as is, ata_dummy_irq_on() and ata_dummy_irq_ack() are used. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: add another IRQ calls (core and headers)Akira Iguchi2007-02-09
| | | | | | | | | | | | | | | | | | This patch is against the libata core and headers. Two IRQ calls are added in ata_port_operations. - irq_on() is used to enable interrupts. - irq_ack() is used to acknowledge a device interrupt. In most drivers, ata_irq_on() and ata_irq_ack() are used for irq_on and irq_ack respectively. In some drivers (ex: ahci, sata_sil24) which cannot use them as is, ata_dummy_irq_on() and ata_dummy_irq_ack() are used. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: convert to iomapTejun Heo2007-02-09
| | | | | | | | | | | | | | | | Convert libata core layer and LLDs to use iomap. * managed iomap is used. Pointer to pcim_iomap_table() is cached at host->iomap and used through out LLDs. This basically replaces host->mmio_base. * if possible, pcim_iomap_regions() is used Most iomap operation conversions are taken from Jeff Garzik <jgarzik@pobox.com>'s iomap branch. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_platform: fix devres conversionTejun Heo2007-02-09
| | | | | | | | devres updates for pata_platform were dropped while merging devres patches due to merge conflict. This is the updated version. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] Shuffle DRV_xxx in core and SiS drivers, to kill warningsJeff Garzik2007-02-09
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: remove unused functionsTejun Heo2007-02-09
| | | | | | | | Now that all LLDs are converted to use devres, default stop callbacks are unused. Remove them. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: update libata LLDs to use devresTejun Heo2007-02-09
| | | | | | | | | | | | | | | | | Update libata LLDs to use devres. Core layer is already converted to support managed LLDs. This patch simplifies initialization and fixes many resource related bugs in init failure and detach path. For example, all converted drivers now handle ata_device_add() failure gracefully without excessive resource rollback code. As most resources are released automatically on driver detach, many drivers don't need or can do with much simpler ->{port|host}_stop(). In general, stop callbacks are need iff port or host needs to be given commands to shut it down. Note that freezing is enough in many cases and ports are automatically frozen before being detached. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: update libata core layer to use devresTejun Heo2007-02-09
| | | | | | | | | | | | | | | | | | | | | | Update libata core layer to use devres. * ata_device_add() acquires all resources in managed mode. * ata_host is allocated as devres associated with ata_host_release. * Port attached status is handled as devres associated with ata_host_attach_release(). * Initialization failure and host removal is handedl by releasing devres group. * Except for ata_scsi_release() removal, LLD interface remains the same. Some functions use hacky is_managed test to support both managed and unmanaged devices. These will go away once all LLDs are updated to use devres. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: implement ata_host_detach()Tejun Heo2007-02-09
| | | | | | | | | | Implement ata_host_detach() which calls ata_port_detach() for each port in the host and export it. ata_port_detach() is now internal and thus un-exported. ata_host_detach() will be used as the 'deregister from libata layer' function after devres conversion. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* devres: device resource managementTejun Heo2007-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement device resource management, in short, devres. A device driver can allocate arbirary size of devres data which is associated with a release function. On driver detach, release function is invoked on the devres data, then, devres data is freed. devreses are typed by associated release functions. Some devreses are better represented by single instance of the type while others need multiple instances sharing the same release function. Both usages are supported. devreses can be grouped using devres group such that a device driver can easily release acquired resources halfway through initialization or selectively release resources (e.g. resources for port 1 out of 4 ports). This patch adds devres core including documentation and the following managed interfaces. * alloc/free : devm_kzalloc(), devm_kzfree() * IO region : devm_request_region(), devm_release_region() * IRQ : devm_request_irq(), devm_free_irq() * DMA : dmam_alloc_coherent(), dmam_free_coherent(), dmam_declare_coherent_memory(), dmam_pool_create(), dmam_pool_destroy() * PCI : pcim_enable_device(), pcim_pin_device(), pci_is_managed() * iomap : devm_ioport_map(), devm_ioport_unmap(), devm_ioremap(), devm_ioremap_nocache(), devm_iounmap(), pcim_iomap_table(), pcim_iomap(), pcim_iounmap() Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* fix CONFIG_SATA_SIS=y compile errorAdrian Bunk2007-02-09
| | | | | | | | | | | | | | | | | Static code shouldn't be used from other modules. drivers/built-in.o: In function `sis_init_one': sata_sis.c:(.text+0x7634cd): undefined reference to `sis_info133' sata_sis.c:(.text+0x7634d6): undefined reference to `sis_info133' While I was at it, I also moved the prototype of this struct to a header file. Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_sis: Support for PATA supportsAlan2007-02-09
| | | | | | | | | | | | This is quick rework of the patch Uwe proposed but using Kconfig not ifdefs and user selection to sort out PATA support. Instead of ifdefs and requiring the user to select both drivers the SATA driver selects the PATA one. For neatness I've also moved the extern into the function that uses it. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: implement HDIO_GET_IDENTITYTejun Heo2007-02-09
| | | | | | | | | 'hdparm -I' doesn't work with ATAPI devices and sg_sat is not widely spread yet leaving no easy way to access ATAPI IDENTIFY data. Implement HDIO_GET_IDENTITY such that at least 'hdparm -i' works. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: trivial stuffAlan2007-02-09
| | | | | | | Readability/typos etc Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: kill qc->nsectTejun Heo2007-02-09
| | | | | | | Merge order left qc->nsect usage in sata_promise dangling. Kill it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata piix3 support warning fixAndrew Morton2007-02-09
| | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: PIIX3 supportAlan2007-02-09
| | | | | | | | | | | This I believe completes the PIIX range of support for libata This adds the table entries needed for the PIIX3, both a new PCI identifier and a new mode list. It also fixes an erroneous access to PCI configuration 0x48 on non UDMA capable chips. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: handle ATAPI_NODATA ourselvesMikael Pettersson2007-02-09
| | | | | | | | | | | | | | | | | | | | | This patch extends sata_promise to handle ATAPI_NODATA commands internally. However, commands destined to ATA_DFLAG_CDB_INTR devices are excluded from this and continue to be returned to libata. Concrete changes: - pdc_atapi_dma_pkt() is renamed to pdc_atapi_pkt(), and is extended to set up correct headers for NODATA packets - pdc_qc_prep() calls pdc_atapi_pkt() for ATAPI_NODATA - pdc_host_intr() handles ATAPI_NODATA - pdc_qc_issue_prot() sends ATAPI_NODATA packets via the chip's packet mechanism, except for CDB_INTR devices Tested on first- and second-generation chips, SATAPI and PATAPI, with no observable regressions. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: issue ATAPI commands as normal packetsMikael Pettersson2007-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch (against libata #upstream + the ATAPI cleanup patch) reimplements sata_promise's ATAPI support to format ATAPI DMA commands as normal packets, and to issue them via the hardware's normal packet machinery. It turns out that the only reason for issuing ATAPI DMA commands via the pdc_issue_atapi_pkt_cmd() procedure was to perform two interrupt-fiddling steps for ATA_DFLAG_CDB_INTR devices. But these steps aren't needed because sata_promise sets ATA_FLAG_PIO_POLLING, which disables DMA for those devices. The remaining steps can easily be done in ATA taskfile packets. Concrete changes: - pdc_atapi_dma_pkt() is extended to program all packet setup steps, and not just contain the CDB; the sequence of steps exactly mirrors what pdc_issue_atapi_pkt_cmd() did - pdc_atapi_dma_pkt() needed more parameters: simplify it by just passing 'qc' and having it extract the data it needs - pdc_issue_atai_pkt_cmd() and its two helper procedures pdc_wait_for_drq() and pdc_wait_on_busy() are removed Tested on first- and second-generation chips, SATAPI and PATAPI, with no observable regressions. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: ATAPI cleanupMikael Pettersson2007-02-09
| | | | | | | | | | | | | | Here's a cleanup for yesterday's sata_promise ATAPI patch: - add and use a symbolic constant for the altstatus register - check return status from ata_busy_wait() - add missing newline in a warning printk() - update comment in pdc_issue_atapi_pkt_cmd() to clarify that the maybe-wait-for-INT issue cannot occur in the current driver, but may occur if the driver starts issuing ATAPI non-DMA commands as PDC packets Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_inic162x: finally, driver for initio 162x SATA controllers, take #2Tejun Heo2007-02-09
| | | | | | | | | Driver for Initio 162x SATA controllers. ATA r/w, ATAPI r, hotplug and suspend/resume work. ATAPI w (recording, that is) broken. Feel free to fix it, but be warned, this controller is weird. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: kill qc->nsect and cursectTejun Heo2007-02-09
| | | | | | | | | | | | libata used two separate sets of variables to record request size and current offset for ATA and ATAPI. This is confusing and fragile. This patch replaces qc->nsect/cursect with qc->nbytes/curbytes and kills them. Also, ata_pio_sector() is updated to use bytes for qc->cursg_ofs instead of sectors. The field used to be used in bytes for ATAPI and in sectors for ATA. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_vsc: build fix after PCI MSI feature additionJeff Garzik2007-02-09
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_vsc: support PCI MSIDan Wolstenholme2007-02-09
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: handle pci_enable_device() failure while resumingTejun Heo2007-02-09
| | | | | | | | | Handle pci_enable_device() failure while resuming. This patch kills the "ignoring return value of 'pci_enable_device'" warning message and propagates __must_check through ata_pci_device_do_resume(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: use ata_id_c_string()Tejun Heo2007-02-09
| | | | | | | | | | There were several places where ATA ID strings are manually terminated and in some places possibly unterminated strings were passed to string functions which don't limit length like strstr(). This patch converts all of them over to ata_id_c_string(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: straighten out ATA_ID_* constantsTejun Heo2007-02-09
| | | | | | | | | | | | | | * Kill _OFS suffixes in ATA_ID_{SERNO|FW_REV|PROD}_OFS for consistency with other ATA_ID_* constants. * Kill ATA_SERNO_LEN * Add and use ATA_ID_SERNO_LEN, ATA_ID_FW_REV_LEN and ATA_ID_PROD_LEN. This change also makes ata_device_blacklisted() use proper length for fwrev. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_nv: add suspend/resume support v3 (Resubmit)Robert Hancock2007-02-09
| | | | | | | | Thoughts from Jeff & company on merging the patch below into libata-dev? This has been in the -mm tree for over a month now, I haven't heard any complaints about regressions.. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* drivers/ata/: make 4 functions staticAdrian Bunk2007-02-09
| | | | | | | | | | | This patch makes the following needlessly global functions static: - libata-core.c: ata_qc_complete_internal() - libata-scsi.c: ata_scsi_qc_new() - libata-scsi.c: ata_dump_status() - libata-scsi.c: ata_to_sense_error() Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ahci: Remove jmicron fixupAlan2007-02-09
| | | | | | | | | The AHCI set up is handled properly along with the other bits in the JMICRON quirk. Remove the code whacking it in ahci.c as its un-needed and also blindly fiddles with bits it doesn't own. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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