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2006-10-16[PATCH] airo: check if need to freezeDave Kleikamp
The airo driver used to break out of while loop if there were any signals pending. Since it no longer checks for signals, it at least needs to check if it needs to be frozen. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Cc: Jean Tourrilhes <jt@hpl.hp.com> Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] wireless: More WE-21 potential overflows...Jean Tourrilhes
After the Orinoco issue, I did an audit of other drivers for the same issue. Three drivers were NULL terminating the ESSID, which could cause an overflow in WE-21 when the ESSID has maximum size. Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] zd1201: Possible NULL dereferenceEric Sesterhenn
If we enter the if(!zd) and set free to 1, we dereference zd in the exit code. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] orinoco: fix WE-21 buffer overflowJean Tourrilhes
This patch fixes the Orinoco driver overflow issue with WE-21. Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Cc: Pavel Roskin <proski@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] airo.c: check returned valuesFlorin Malita
create_proc_entry() can fail and return NULL in setup_proc_entry(), the result must be checked before dereferencing. (Coverity ID 1443) init_wifidev() & setup_proc_entry() can also fail in _init_airo_card(). This adds the checks & cleanup code and removes some whitespace. Signed-off-by: Florin Malita <fmalita@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] bcm43xx-softmac: Fix system hang for x86-64 with >1GB RAMLarry Finger
The bcm43xx-softmac software currently fails when running on x86_64 systems with more than 1GB RAM and one of the card variants with 30-bit DMA addressing. This patch uses the address extension bits in the hardware to set the correct DMA mask for the specific card in use. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] bcm43xx-softmac: check returned value from pci_enable_deviceLarry Finger
Linus's tree now has a configuration option that prints a warning whenever the returned value of any routine is ignored. This patch fixes the only such warning for bcm43xx. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] softmac: Fix WX and association related racesMichael Buesch
This fixes some race conditions in the WirelessExtension handling and association handling code. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-16[PATCH] bcm43xx: fix race condition in periodic work handlerMichael Buesch
There is a potential race condition in the periodic_work_handler routine of bcm43xx-softmac. In addition to fixing this condition, the size of code is reduced by moving the mutex lock outside the if. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-11Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (42 commits) [PATCH] Fix section mismatch in de2104x.c [PATCH] sky2: set lower pause threshold to prevent overrun [PATCH] sky2: revert pci express extensions [PATCH] skge: version 1.9 [PATCH] skge: better flow control negotiation [PATCH] skge: pause mapping for fiber [PATCH] skge: fix stuck irq when fiber down [PATCH] powerpc/cell spidernet release all descrs [PATCH] powerpc/cell spidernet DMA direction fix [PATCH] powerpc/cell spidernet variable name change [PATCH] powerpc/cell spidernet reduce DMA kicking [PATCH] powerpc/cell spidernet [PATCH] powerpc/cell spidernet refine locking [PATCH] powerpc/cell spidernet NAPI polling info. [PATCH] powerpc/cell spidernet low watermark patch. [PATCH] powerpc/cell spidernet incorrect offset [PATCH] powerpc/cell spidernet stop error printing patch. [PATCH] powerpc/cell spidernet fix error interrupt print [PATCH] powerpc/cell spidernet bogus rx interrupt bit [PATCH] Spidernet stop queue when queue is full. ...
2006-10-11[PATCH] sun3 __iomem annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-11[PATCH] Use linux/io.h instead of asm/io.hMatthew Wilcox
In preparation for moving check_signature, change these users from asm/io.h to linux/io.h Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-11[PATCH] Fix section mismatch in de2104x.cHelge Deller
WARNING: drivers/net/tulip/de2104x.o - Section mismatch: reference to .init.text:de_init_one from .data.rel.local after 'de_driver' (at offset 0x20) WARNING: drivers/net/tulip/de2104x.o - Section mismatch: reference to .exit.text:de_remove_one from .data.rel.local after 'de_driver' (at offset 0x28) Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] sky2: set lower pause threshold to prevent overrunStephen Hemminger
Adjust the pause threshold on slower systems to keep from getting overrun. Since FIFO is 2K bytes, don't send XON pause until there is space for a full frame. Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] sky2: revert pci express extensionsStephen Hemminger
The pci express error handling extensions don't work unless PCI access is via mmconfig. Otherwise, all accesses to pci config registers greater than 256 fail. Since the sky2 driver has other ways of getting to PCI config space, it works around this short coming, but the pci_find_ext_capablity doesn't work. This backs out commit 91aeb3edbcf4e6ed72d138ac8c22fd68e6d717c3 Go back to hardcoding, since we know where the error registers are anyway. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=7222 Signed-off-by: Stephen Hemminger <shemmminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] skge: version 1.9Stephen Hemminger
Want to be able to track downstream impact of fiber related fixes. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] skge: better flow control negotiationStephen Hemminger
Do flow control negotiation properly. Don't let auto negotiation status limit renegotiation. Separate desired pause values from the result of auto negotiation. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] skge: pause mapping for fiberStephen Hemminger
Do correct mapping of pause and duplex when using 1000BaseX fiber versions of the board. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] skge: fix stuck irq when fiber downStephen Hemminger
The PHY interrupt from the internal fiber is getting stuck on when the link is down. Add code to handle the transition and mask it. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet release all descrsLinas Vepstas
Bugfix: rx descriptor release function fails to visit the last entry while walking receive descriptor ring. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet DMA direction fixLinas Vepstas
The ring buffer descriptors are DMA-accessed bidirectionally, but are not declared in this way. Fix this. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet variable name changeLinas Vepstas
Cosmetic patch: give the variable holding the numer of descriptors a more descriptive name, so to avoid confusion. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet reduce DMA kickingLinas Vepstas
The current code attempts to start the TX dma every time a packet is queued. This is too conservative, and wastes CPU time. This patch changes behaviour to call the kick-dma function less often, only when the tx queue is at risk of emptying. This reduces cpu usage, improves performance. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernetLinas Vepstas
Remove a dummy register read that is not needed. This reduces CPU usage notably during transmit. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet refine lockingLinas Vepstas
The transmit side of the spider ethernet driver currently places locks around some very large chunks of code. This results in a fair amount of lock contention is some cases. This patch makes the locks much more fine-grained, protecting only the cirtical sections. One lock is used to protect three locations: the queue head and tail pointers, and the queue low-watermark location. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet NAPI polling info.Linas Vepstas
This patch moves transmit queue cleanup code out of the interrupt context, and into the NAPI polling routine. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet low watermark patch.Linas Vepstas
Implement basic low-watermark support for the transmit queue. Hardware low-watermarks allow a properly configured kernel to continously stream data to a device and not have to handle any interrupts at all in doing so. Correct zero-interrupt operation can be actually observed for this driver, when the socket buffer is made large enough. The basic idea of a low-watermark interrupt is as follows. The device driver queues up a bunch of packets for the hardware to transmit, and then kicks the hardware to get it started. As the hardware drains the queue of pending, untransmitted packets, the device driver will want to know when the queue is almost empty, so that it can queue some more packets. If the queue drains down to the low waterark, then an interrupt will be generated. However, if the kernel/driver continues to add enough packets to keep the queue partially filled, no interrupt will actually be generated, and the hardware can continue streaming packets indefinitely in this mode. The impelmentation is done by setting the DESCR_TXDESFLG flag in one of the packets. When the hardware sees this flag, it will interrupt the device driver. Because this flag is on a fixed packet, rather than at fixed location in the queue, the code below needs to move the flag as more packets are queued up. This implementation attempts to keep the flag at about 1/4 from "empty". Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet incorrect offsetLinas Vepstas
Bugfix -- the rx chain is in memory after the tx chain -- the offset being used was wrong, resulting in memory corruption when the size of the rx and tx rings weren't exactly the same. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet stop error printing patch.Linas Vepstas
Turn off mis-interpretation of the queue-empty interrupt status bit as an error. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet fix error interrupt printLinas Vepstas
The print message associated with the descriptor chain end interrupt prints a bogs value. Fix that. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet bogus rx interrupt bitLinas Vepstas
The current receive interrupt mask sets a bogus bit that doesn't even belong to the definition of this register. Remove it. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Spidernet stop queue when queue is full.Linas Vepstas
This patch adds a call to netif_stop_queue() when there is no more room for more packets on the transmit queue. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Spidernet fix register field definitionsLinas Vepstas
This patch fixes the names of a few fields in the DMA control register. There is no functional change. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet add missing netdev watchdogLinas Vepstas
Set the netdev watchdog timer. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet zlen min packet lengthLinas Vepstas
Polite device drivers pad short packets to 60 bytes, so that mean-spirited users don't accidentally DOS some other OS that can't handle short packets. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet force-end fixLinas Vepstas
Bugfix: when cleaning up the transmit queue upon device close, be sure to walk the entire queue. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Spidernet module parm permissionsLinas Vepstas
The module param permsissions should bw read-only, not writable. From: James K Lewis <jklewis@us.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet burst alignment patch.Linas Vepstas
This patch increases the Burst Address alignment from 64 to 1024 in the Spidernet driver. This improves transmit performance for large packets. From: James K Lewis <jklewis@us.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet ethtool -i version number info.Linas Vepstas
This patch adds version information as reported by ethtool -i to the Spidernet driver. From: James K Lewis <jklewis@us.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] ehea: fix port state notification, default queue sizesJan-Bernd Themann
This patch includes a bug fix for the port state notification and fixes the default queue sizes. Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] ehea: firmware (hvcall) interface changesJan-Bernd Themann
This eHEA patch covers required changes related to Anton Blanchard's new hvcall interface. Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] ibmveth irq fixAndrew Morton
drivers/net/ibmveth.c:939: error: too many arguments to function `ibmveth_interrupt' Cc: Jeff Garzik <jeff@garzik.org> Cc: Anton Blanchard <anton@samba.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] b44: fix eeprom endianess issueMichael Buesch
This fixes eeprom read on big-endian architectures. readw returns the data in CPU order. With cpu_to_le16 we convert it to little endian, because "ptr" is a pointer to a _byte_ arrray. See the cast above. A byte array is little endian. The bug is: Reading u16 values with readw, casting them into an u8 array and accessing this u8 array as an u8 (byte) array. The correct fix is to swap the CPU-ordering value returned by readw into little endian, as the u8 array is little endian. This compiles to nothing on little endian hardware (so it does not change b44 code on LE hardware), but _fixes_ code on BE hardware. Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Update smc91x driver with ARM Versatile board infoDeepak Saxena
We need to specify a Versatile-specific SMC_IRQ_FLAGS value or the new generic IRQ layer will complain thusly: No IRQF_TRIGGER set_type function for IRQ 25 (<NULL>) Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Cc: Jeff Garzik <jeff@garzik.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Nicolas Pitre <nico@cam.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11Merge branch 'master' into upstream-fixesJeff Garzik
2006-10-10[PATCH] irda: donauboe fixes, cleanupsJeff Garzik
- fix: toshoboe_invalid_dev() was recently removed, but not all callers were updated, causing the obvious linker error. Remove caller, because the check (like the one removed) isn't used. - fix: propagate request_irq() return value - cleanup: remove void* casts - cleanup: remove impossible ASSERTs Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] endianness annotations in s2ioAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] chelsio: add endian annotationsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-09Merge branch 'irqclean-submit1' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'irqclean-submit1' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6: drivers/isdn/act2000: kill irq2card_map drivers/net/eepro: kill dead code Various drivers' irq handlers: kill dead code, needless casts drivers/net: eliminate irq handler impossible checks, needless casts arch/i386/kernel/time: don't shadow 'irq' function arg
2006-10-08[PATCH] misc ppc pt_regs fixesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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