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path: root/drivers/net/sb1250-mac.c
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* potential compiler error, irqfunc caller sites updateYoann Padioleau2007-07-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In 7d12e780e003f93433d49ce78cfedf4b4c52adc5 David Howells performed this evolution: "IRQ: Maintain regs pointer globally rather than passing to IRQ handlers" He correctly updated many of the function definitions that were using this extra regs pointer parameter but forgot to update some caller sites of those functions. The reason the modifications was not properly done on all drivers is that some drivers were rarely compiled because they are for AMIGA, or that some code sites were inside #ifdefs where the option is not set or inside #if 0. Here is the semantic patch that found the occurences and fixed the problem. @ rule1 @ identifier fn; identifier irq, dev_id; typedef irqreturn_t; @@ static irqreturn_t fn(int irq, void *dev_id) { ... } @@ identifier rule1.fn; expression E1, E2, E3; @@ fn(E1, E2 - ,E3 ) Signed-off-by: Yoann Padioleau <padator@wanadoo.fr> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jeff@garzik.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* add NAPI support to sb1250-mac.cMark Mason2007-04-28
| | | | | | | | | | | Patch to add NAPI support to sb1250-mac.c (rev 2). This patch differs from the last in that the NAPI support isn't marked as experimental, nor is it configurable (ie. once applied - NAPI is enabled all the time). This was based on feedback from Ralf and others. Signed-off-by: Mark Mason <mason@broadcom.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Netpoll support for Sibyte MACDeepak Saxena2007-04-28
| | | | | | | | NETPOLL support for Sibyte MAC Signed-off-by: Manish Lachwani <mlachwani@mvista.com> Signed-off-by: Deepak Saxena <dsaxena@mvista.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [ETH]: Make eth_type_trans set skb->dev like the other *_type_transArnaldo Carvalho de Melo2007-04-26
| | | | | | | One less thing for drivers writers to worry about. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [MIPS] SB1250: Fix bugs/warnings by creative use of volatile.Ralf Baechle2007-03-24
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] Remove useless comment from sb1250Dave Jones2006-10-21
| | | | | Signed-off-by: Dave Jones <davej@redhat.com> 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)
* [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>
* [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>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-30
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PATCH] sb1250-mac: Add support for the BCM1480Ralf Baechle2006-03-03
| | | | | | | | | This adds support for the 4th port and other new features of the BCM1480 SOC. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sb1250-mac: PHY probing fixes.Ralf Baechle2005-10-20
| | | | | | | | | Improve sb1250-mac driver to probe for PHYs at addresses other than 1, such as the PHYs on BigSur. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sb1250-mac: Whitespace cleanup.Ralf Baechle2005-10-19
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> drivers/net/sb1250-mac.c | 1030 +++++++++++++++++++++++------------------------ 1 files changed, 515 insertions(+), 515 deletions(-) Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sb1250-mac: Get rid of all the funny SBMAC_WRITECSR and ↵Ralf Baechle2005-10-19
| | | | | | | | | | SBMAC_READCSR macros. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> drivers/net/sb1250-mac.c | 303 ++++++++++++++++++++--------------------------- 1 files changed, 132 insertions(+), 171 deletions(-) Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sb1250-mac: Ensure 16-byte alignment of the descriptor ring.Ralf Baechle2005-10-18
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> drivers/net/sb1250-mac.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletion(-) Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] sb1250-mac: Check the actual setting for reporting hw checksumming.Ralf Baechle2005-10-18
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> drivers/net/sb1250-mac.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-) 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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