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* [PATCH] sundance: use NULL for pointerRandy Dunlap2006-12-02
| | | | | | | | | | Use NULL instead of 0 for pointers (cures sparse warnings). drivers/net/sundance.c:1106:16: warning: Using plain integer as NULL pointer drivers/net/sundance.c:1652:16: warning: Using plain integer as NULL pointer Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sundance: solve host error problem in low performance embedded ↵Jesse Huang2006-12-02
| | | | | | | | | | | | | system when continune down and up Solve host error problem in low performance embedded system when continune down and up. It will cause IP100A DMA TargetAbort. So we need more safe process to up and down IP100A with wait hardware completely stop and software cur_tx/ dirty_tx/cur_task/last_tx be clear. Signed-off-by: Jesse Huang <jesse@icplus.com.tw> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sundance: correct initial and close hardware step.Jesse Huang2006-12-02
| | | | | | | | | Correct initial and close hardware step. In some embedded system down and up IP100A will cause DMA crash. We add some for safe down and up IP100A. Signed-off-by: Jesse Huang <jesse@icplus.com.tw> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] subdance: fix TX Pause bug (reset_tx, intr_handler)Jesse Huang2006-12-02
| | | | | | | | | | | | Fix TX Pause bug (reset_tx, intr_handler). When MaxCollisions occurred, need to re-enable Tx. But just after re-enable, MaxCollisions maybe occurred again and with TxStatusOverflow. This will cause driver can't check new MaxCollisions to re-enable Tx again, because TxStatusOverflow. For this reason, after re-enable Tx, we need to make sure Tx was actually enabled. Signed-off-by: Jesse Huang <jesse@icplus.com.tw> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sundance: remove TxStartThresh and RxEarlyThreshJesse Huang2006-12-02
| | | | | | | | | | | | For patent issue need to remove TxStartThresh and RxEarlyThresh. This patent is cut-through patent. If use this function, Tx will start to transmit after few data be move in to Tx FIFO. We are not allow to use those function in DFE530/DFE550/DFE580/DL10050/IP100/IP100A. It will decrease a little performance. Signed-off-by: Jesse Huang <jesse@icplus.com.tw> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* drivers/net: const-ify ethtool_ops declarationsJeff Garzik2006-09-13
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* drivers/net: Trim trailing whitespaceJeff Garzik2006-09-13
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Merge branch 'tmp' into upstreamJeff Garzik2006-09-12
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| * [PATCH] Remove more unnecessary driver printk'sAndy Gospodarek2006-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | As I promised last week, here is the first pass at removing all unnecessary printk's that exist in network device drivers currently in promiscuous mode. The duplicate messages are not needed so they have been removed. Some of these drivers are quite old and might not need an update, but I did them all anyway. I am currently auditing the remaining conditional printk's and will send out a patch for those soon. Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | drivers/net: Remove deprecated use of pci_module_init()Jeff Garzik2006-08-19
| | | | | | | | | | | | | | From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | Merge branch 'upstream-fixes' into upstreamJeff Garzik2006-08-19
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| * [PATCH] sundance section fixAndrew Morton2006-08-19
| | | | | | | | | | | | | | | | | | | | | | | | drivers/net/sundance.c:110: error: version causes a section type conflict I don't understand this error. It's referred to from both __init and __devinit code. With CONFIG_HOTPLUG=n, version[] is placed in .init.data and is referred to from .init.text. Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | [PATCH] sundance: small cleanupPhilippe De Muyter2006-08-09
|/ | | | | | | | This patch uses the sundance_reset function everywhere a reset is done, and adds a link to the archives of the original mailing list. Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [netdrvr] minor cleanups in Becker-derived driversJeff Garzik2006-07-05
| | | | | | | | | | | | | - fealnx: convert #define to enum - fealnx, sundance: mark chip info table __devinitdata - fealnx: use dev_printk() during probe - fealnx: formatting cleanups - starfire: remove obsolete comment - sundance, via-rhine: add some whitespace where useful, in tables - sundance: prefer "{ }" table terminator - via-rhine: mark PCI probe table const Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [netdrvr] Remove Linux-specific changelogs from several Becker template driversJeff Garzik2006-07-05
| | | | | | | | | | | | | | | | | | | When in-kernel net drivers branched from Donald Becker's vanilla driver set, in the days before BitKeeper and git, a driver changelog was maintained in the driver source code. These days, the kernel's changelog is far superior and much more accurate, so the in-driver changelogs are removed. Another relic of the Becker/kernel split was version numbering, using "foo-LKx.y.z" notation, resulting in weird version numbers like "1.17b-LK1.1.9". These drivers are for older hardware, and see few changes these days, so the version numbers were all bumped to something more simple. Finally, in xircom_tulip_cb specifically, an additional cleanup removes the always-enabled CARDBUS cpp macro. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] irq-flags: drivers/net: Use the new IRQF_ constantsThomas Gleixner2006-07-02
| | | | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* sundance: PCI ID for ip100aPedro Alejandro López-Valencia2006-06-15
| | | | | | | | | | | | | Patch provided by Pedro Alejandro López-Valencia in http://bugzilla.kernel.org/show_bug.cgi?id=6691 The patch is derived from IC+ GPL'ed rework of sundance driver available at http://www.icplus.com.tw/pp-IP100A.html Patch closes http://bugzilla.kernel.org/show_bug.cgi?id=5858 as well. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Pedro Alejandro López-Valencia <palopezv@gmail.com>
* Merge branch 'net-const'Jeff Garzik2006-03-03
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| * Massive net driver const-ification.Arjan van de Ven2006-03-03
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* | sundance: Really read addr 0Arnaldo Carvalho de Melo2006-01-26
|/ | | | | | | | | | | | | | | | | | | Make phy 0 actually be read, as it is not being right now as we have: int mii_status = mdio_read(dev, phy, MII_BMSR); int phyx = phy & 0x1f; When we should have instead: int phyx = phy & 0x1f; int mii_status = mdio_read(dev, phyx, MII_BMSR); so that when phy, in the end of the (phy = 1; phy <= 32...) loop gets to 32 phyx gets to 0, i.e. we were reading at 32, when the intended read was for 0. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sundance: fix DFE-580TX Tx UnderrunPhilippe De Muyter2005-10-28
| | | | | | | | | Under heavy PCI bus load, ports of the DFE-580TX 4-ethernet port board stop working, with currently no other cure than a powercycle. Here is a tested fix. By the way, I also fixed some references and attribution. Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sundance: include MII address 0 in PHY probeJohn W. Linville2005-10-20
| | | | | | | | Include MII address 0 at the end of the PHY scan. This covers the entire range of possible MII addresses. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sundance: expand reset maskJohn W. Linville2005-10-18
| | | | | | | | | Expand the mask used when reseting the chip to include the GlobalReset bit. This fix comes from ICPlus and seems to be required for some cards. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sundance: remove if (1) { ... } block in sundance_probe1John W. Linville2005-10-18
| | | | | | | | | Remove an if (1) { ... } block in sundance_probe1. Its purpose seems to be only to allow for delaring some extra local variables. But, it also adds ugly indentation without adding any meaning to the code. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sundance: support ETHTOOL_GPERMADDRJohn W. Linville2005-09-14
| | | | | | | Add support for ETHTOOL_GPERMADDR to sundance. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [NET]: Remove gratuitous use of skb->tail in network drivers.David S. Miller2005-06-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many drivers use skb->tail unnecessarily. In these situations, the code roughly looks like: dev = dev_alloc_skb(...); [optional] skb_reserve(skb, ...); ... skb->tail ... But even if the skb_reserve() happens, skb->data equals skb->tail. So it doesn't make any sense to use anything other than skb->data in these cases. Another case was the s2io.c driver directly mucking with the skb->data and skb->tail pointers. It really just wanted to do an skb_reserve(), so that's what the code was changed to do instead. Another reason I'm making this change as it allows some SKB cleanups I have planned simpler to merge. In those cleanups, skb->head, skb->tail, and skb->end pointers are removed, and replaced with skb->head_room and skb->tail_room integers. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Jeff Garzik <jgarzik@pobox.com>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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