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path: root/drivers/net/wireless/rt2x00
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2009-11-19mac80211: request TX status where neededJohannes Berg
Right now all frames mac80211 hands to the driver have the IEEE80211_TX_CTL_REQ_TX_STATUS flag set to request TX status. This isn't really necessary, only the injected frames need TX status (the latter for hostapd) so move setting this flag. The rate control algorithms also need TX status, but they don't require it. Also, rt2x00 uses that bit for its own purposes and seems to require it being set for all frames, but that can be fixed in rt2x00. This doesn't really change anything for any drivers but in the future drivers using hw-rate control may opt to not report TX status for frames that don't have the IEEE80211_TX_CTL_REQ_TX_STATUS flag set. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> [rt2x00 bits] Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-18rt2x00: more ids to rt2800usb.cXose Vazquez Perez
taken from windows inf file (09/15/2009, 1.04.07.0000) Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-16rt2800: do not enable tbtt unless we are in a beacon modeJosef Bacik
Please be gentle, I'm a fs developer and this is my first foray into drivers, as I'm tired of building ralinks driver everytime I update my kernel. Whenever I load the rt2800pci driver my box bogs down, and a few printk's later I discovered its because I was getting 10's of thousands of TBTT interrupts a second. I discovered this was because we were setting the beacon timer to 0, which is apparently what TBTT keys off of. It seems to me that we should only be enabling TBTT when we are in a beacon transmitting mode, which from what I can tell is in AD-HOC and other such modes where the mac80211 layer would have given us a proper beacon_int to set the beacon timer to instead of 0. So this is my fix, only enable TBTT if our sync mode is for beacon. This makes it so my box doesn't die everytime I load the rt2800pci driver. Let me know if this is acceptable, I just learned all these terms about 15 minutes ago via wikipedia, so I really am not familiar with how this stuff is supposed to work. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-16rt2x00: Fix BUG on rt2800usb when trying to read eFuse EEPROM.Gertjan van Wingerde
Current tree hits a BUG_ON in rt2x00_regbusy_read, because the eFuse EEPROM reading code of rt2800lib uses the function without the csr_mutex locked. Fix this by locking the csr_mutex for the of the EEPROM reading cycly and using the _lock variants of the register reading and writing functions. This also introcudes the register_read_lock function pointer in the rt2800_ops structure. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-16rt2x00: Log RT/RF chipset information correctly.Gertjan van Wingerde
Some drivers (rt2800* most notably) cannot set the RF and RT chipset in the correct order to have the information logging in rt2x00_set_chip be correct. Fix this by decoupling the setting of the chipset information from the logging of the chipset information so that drivers can determine themselves when all information is set. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-16rt2x00: Initialize rf302x RF values properly for rt2800pci.Gertjan van Wingerde
Ensure RF302x and RF2020 chipsets are handled properly in rt2800lib for the rt3090 chipset. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-16rt2x00: Fix rt2800lib RF chip programming selection.Gertjan van Wingerde
Mirror the legacy Ralink driver with respect to rt2800 RF register programming. Execute rt2800_config_channel_rt3x for all RF2020, RF3020, RF3021 & RF3022 chipsets when operating on RT3070 devices. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-13rt2800lib: fix some typos and punctuation in commentsThadeu Lima de Souza Cascardo
fix some typos and punctuation in comments Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> [bart: ported the change from the older patch for rt2800usb & rt61pci] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-13rt2x00: Properly detect Ralink RT3070 devices.Gertjan van Wingerde
Allow rt2800usb to properly detect RT307X based devices, and set the appropriate chipset values. Signed-off-by: Gertjan van Wingede <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2x00: Fix typo in rf programming of rt2800lib.Gertjan van Wingerde
Fix a type in rt2800_config_channel_rt3x. The second write to RF register 2 should be to RF register 3. This is confirmed by the legacy Ralink code. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2x00: fix some typos and punctuation in commentsThadeu Lima de Souza Cascardo
fix some typos and punctuation in comments Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2x00: Update copyright statements.Gertjan van Wingerde
As mentioned on the linux-wireless mailing list, the current copyright statements in the rt2x00 are meaningless, as the rt2x00 project is not even a formal legal entity. Therefore it is better to replace the existing copyright statements with copyright statements for the people that actually wrote the code. Note: Updated to the best of my knowledge with respect to who contributed considerable amounts of code. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> CC: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2500usb: remove dead link tuning codeBartlomiej Zolnierkiewicz
Link tuning code from the legacy rt2570 driver turned out to be harmful and got disabled by the commit d06193f ("rt2x00: Disable link tuning in rt2500usb") in August 2008. There is no reason to keep this dead code any longer so remove it (it can still be retrieved from the git history if necessary). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800usb: add eFuse EEPROM supportBartlomiej Zolnierkiewicz
It is needed for at least RT3070 chip. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800: add eFuse EEPROM support code to rt2800libBartlomiej Zolnierkiewicz
eFuse EEPROM is used also by USB chips (i.e. RT3070) so move the needed code from rt2800pci to rt2800lib. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800usb: fix RX descriptor namingBartlomiej Zolnierkiewicz
Rename RXD_W0_* defines to RXINFO_W0_* ones to match naming used for TX descriptor and by the vendor driver. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800: unify rt2800*_probe_hw_mode()Bartlomiej Zolnierkiewicz
Add rf_vals tables and rt2800_probe_hw_mode() to rt2800lib. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800: prepare for rt2800*_probe_hw_mode() unificationBartlomiej Zolnierkiewicz
Enclose interface specific code in rt2800[pci,usb]_probe_hw_mode() with rt2x00_intf_is_[pci,usb]() checks. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800usb: reorganize code in rt2800usb_probe_hw_mode()Bartlomiej Zolnierkiewicz
Move hw_mode information initialization code block before HT information initialization one to match the ordering used by rt2800pci's rt2800pci_probe_hw_mode(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800pci: add missing RF values to rf_vals tableBartlomiej Zolnierkiewicz
rt2800pci's rf_vals[] copy was missing values for some channels. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800: unify EEPROM support codeBartlomiej Zolnierkiewicz
Add rt2800_validate_eeprom() and rt2800_init_eeprom() to rt2800lib. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2800: prepare for unification of EEPROM support codeBartlomiej Zolnierkiewicz
* Factor out common code from rt2800[pci,usb]_validate_eeprom() to rt2800_validate_eeprom(). * Fix interface specific comment in rt2800[pci,usb]_validate_eeprom(). * Enclose interface specific code in rt2800[pci,usb]_init_eeprom() with rt2x00_intf_is_[pci,usb]() checks. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2x00: Remove deprecated ieee80211_rx_status->qual usageIvo van Doorn
ieee80211_rx_status->qual has been marked deprecated. This allows us to remove several functions and fields which were used to calculate a reasonable value for it. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2x00: Add dynamic detection of eFuse EEPROM in rt2800pci.Gertjan van Wingerde
Instead of assuming that all rt3090 devices will have an eFuse EEPROM, do as the legacy Ralink driver, and detect at run-time whether an eFuse EEPROM is present. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2x00: Fix building of rt2800lib when rt2x00 driver is built-in.Gertjan van Wingerde
When enabling rt2800usb as a built-in driver (as opposed to a as a module) the build fails. See http://marc.info/?l=linux-wireless&m=125768687711034&w=2 for details. Fix it by properly including <linux/usb.h> from rt2x00usb.h Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-11rt2x00: Move interface type assignments to generic code.Gertjan van Wingerde
Make sure all drivers can benefit of the assignment of the interface type of an adapter, instead of keeping it for rt2800 only. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-09Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2009-11-08Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/can/usb/ems_usb.c
2009-11-06rt2800: add rt2800lib (part four)Bartlomiej Zolnierkiewicz
Code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800: add rt2800lib (part three)Bartlomiej Zolnierkiewicz
Code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2x00: move REGISTER_BUSY_* definitions to rt2x00.hBartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800: add rt2800lib (part two)Bartlomiej Zolnierkiewicz
Code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800: add rt2800lib (part one)Bartlomiej Zolnierkiewicz
Code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800: prepare for rt2800lib additionBartlomiej Zolnierkiewicz
Part of preparations for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2x00: add support for different chipset interfacesBartlomiej Zolnierkiewicz
Enhance rt2x00 infrastructure by adding explicit information about used chipset interface to struct rt2x00_chip. The new field will be used by rt2800 drivers for rt2800 library. Also add commonly used rt2x00_intf_is_pci() and rt2x00_intf_is_usb() helpers to make code easier to read (noticed by Ivo van Doorn). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800: fix comments in rt2800.hBartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800: fix duplication in header filesBartlomiej Zolnierkiewicz
Updated debugging scripts are located here: http://www.kernel.org/pub/linux/kernel/people/bart/rt2800/scripts/ (they also work fine with older drivers) Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800usb: add RXINFO_DESC_SIZE definitionBartlomiej Zolnierkiewicz
Add RXINFO_DESC_SIZE definition and use it instead of abusing RXD_DESC_SIZE one (TXD_DESC_SIZE and RXD_DESC_SIZE are specific to PCI version of the chipset). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800: add rt2800lib.hBartlomiej Zolnierkiewicz
Code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2x00: fix rt2x00pci_register_multi[read,write]() argumentsBartlomiej Zolnierkiewicz
Change type of 'length' argument from u16 to u32 (all arguments match rt2x00usb_register_multi[read,write]() ones now). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2x00: fix rt2x00usb_regbusy_read() argumentsBartlomiej Zolnierkiewicz
Add const to 'field' argument of rt2x00usb_regbusy_read() (all arguments match rt2x00pci_regbusy_read() ones now). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2x00: fix rt2x00usb_register_multiwrite() argumentsBartlomiej Zolnierkiewicz
Add const to 'value' argument of rt2x00usb_register_multiwrite() (all arguments match rt2x00pci_register_multiwrite() ones now). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800pci: convert to use struct rt2800_ops methodsBartlomiej Zolnierkiewicz
Add chipset registers access abstraction layer and prepare for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800usb: convert to use struct rt2800_ops methodsBartlomiej Zolnierkiewicz
Add chipset registers access abstraction layer and prepare for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2x00: add driver private field to struct rt2x00_devBartlomiej Zolnierkiewicz
Enhance rt2x00 infrastructure by adding driver specific field to struct rt2x00_dev. The new field will be used by rt2800 drivers for chipset registers access abstraction layer. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800pci: add rt2800_mcu_request() wrapperBartlomiej Zolnierkiewicz
Part of preparations for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800usb: add rt2800_mcu_request() wrapperBartlomiej Zolnierkiewicz
Part of preparations for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800pci: add rt2800_rf_[read,write]() wrappersBartlomiej Zolnierkiewicz
Part of preparations for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800usb: add rt2800_rf_[read,write]() wrappersBartlomiej Zolnierkiewicz
Part of preparations for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-06rt2800pci: add rt2800_rfcsr_[read,write]() wrappersBartlomiej Zolnierkiewicz
Part of preparations for later code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>