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2010-12-10da850-evm: allow pca953x module buildBen Gardiner
Change the mach-davinci Kconfig file so that GPIO_PCA953X is default when MACH_DAVINCI_DA850_EVM is set instead of always selecting. This allows users to compile pca953x as a module. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> CC: Sergei Shtylyov <sshtylyov@mvista.com> CC: Nori, Sekhar <nsekhar@ti.com> Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10davinci: da850-evm: UI expander gpio_set_value can sleep, use _cansleepBen Gardiner
When the RMII PHY on the UI board is enabled with CONFIG_DA850_UI_RMII then then following will be printed to the console when warnings are also enabled: WARNING: at drivers/gpio/gpiolib.c:1567 __gpio_set_value+0x4c/0x5c() Modules linked in: [<c002c6ac>] (unwind_backtrace+0x0/0xf8) from [<c003b48c>] (warn_slowpath_common+0x4c/0x64) [<c003b48c>] (warn_slowpath_common+0x4c/0x64) from [<c003b4c0>] (warn_slowpath_null+0x1c/0x24) [<c003b4c0>] (warn_slowpath_null+0x1c/0x24) from [<c01aed60>] (__gpio_set_value+0x4c/0x5c) [<c01aed60>] (__gpio_set_value+0x4c/0x5c) from [<c0033bd4>] (da850_evm_ui_expander_setup+0x1e4/0x2 44) [<c0033bd4>] (da850_evm_ui_expander_setup+0x1e4/0x244) from [<c02e2e1c>] (pca953x_probe+0x1f8/0x29 0) <snip> Traced the WARN_ON to the gpio_set_value(rmii_sel,0) call in da850_evm_setup_emac_rmii. Replacing the call with the _cansleep variant results in no more warning. Also replacing the gpio_set_value calls in the teardown function. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Reviewed-by: Chris Cordahi <christophercordahi@nanometrics.ca> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10davinci: aemif: signedness bug in davinci_aemif_setup_timing()Nicolas Kaiser
aemif_calc_rate() can return a negative error value, so all the variables that get tested for this value need to be signed. The maximum bit width of WSETUP(WSETUP_MAX) appears to be 30 bits (0xf << 26). Using a signed instead of an unsigned integer shouldn't make a difference here. Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10davinci: psc: simplify if-statementNicolas Kaiser
A common do-while loop can be factored out from the end of the branches. Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10davinci: minor tnetv107x clock tree fixesCyril Chemparathy
This patch applies the following modifications to the tnetv107x clock tree: - reparent tnetv107x usb clocks to usbss - mark timer1 as always enabled - enable set_rate on pll divider output clocks - adjust tnetv107x tsc sysclk rate lower to fix invalid reset defaults Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10davinci: use divide ratio limits from pll_dataCyril Chemparathy
This patch modifies the sysclk rate setting code to use the divider mask specified in pll_data. Without this, devices with different divider ranges (e.g. tnetv107x) fail. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10davinci: Implement sched_clock()Andreas Gaeer
Overwrite the default implementation of sched_clock that is based on jiffies by something more precise. This improves timestamps in ftrace. Implementation is copied from OMAP platform code. Signed-off-by: Andreas Gaeer <Andreas.Gaer@baslerweb.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10Merge branch 'master' into upstreamJiri Kosina
2010-12-10HID: simplify an index check in hid_lookup_collectionJoe Perches
Save the struct hid_collection * in a temporary to shorten the generated code a bit and perhaps improve readability. $ size drivers/hid/hid-core.o* text data bss dec hex filename 16460 78 8 16546 40a2 drivers/hid/hid-core.o.new 16469 78 8 16555 40ab drivers/hid/hid-core.o.old Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-10HID: Hoist assigns from ifsJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-10HID: Remove superfluous __inline__Joe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-10HID: Use vzalloc for vmalloc/memset(,0...)Joe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-10HID: Add and use hid_<level>: dev_<level> equivalentsJoe Perches
Neaten current uses of dev_<level> by adding and using hid specific hid_<level> macros. Convert existing uses of dev_<level> uses to hid_<level>. Convert hid-pidff printk uses to hid_<level>. Remove err_hid and use hid_err instead. Add missing newlines to logging messages where necessary. Coalesce format strings. Add and use pr_fmt(fmt) KBUILD_MODNAME ": " fmt Other miscellaneous changes: Add const struct hid_device * argument to hid-core functions extract() and implement() so hid_<level> can be used by them. Fix bad indentation in hid-core hid_input_field function that calls extract() function above. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-10arm: OMAP4430: musb: Configure musb to OTG modeHema HK
Enabling the musb OTG mode for SDP and PANDA boards. Signed-off-by: Hema HK <hemahk@ti.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: Adding musb support for OMAP4430Hema HK
OMAP4430 supports UTMI and ULPI types of transceiver interface. In UTMI mode: The PHY is embedded within OMAP4430. The transceiver functionality is split between the twl6030 PMIC chip and OMAP4430. The VBUS, ID pin sensing and OTG SRP generation part is integrated in TWL6030 and UTMI PHY functionality is embedded within the OMAP4430. There is no direct interactions between the MUSB controller and TWL6030 chip to communicate the session-valid, session-end and ID-GND events. It has to be done through a software by setting/resetting bits in one of the control module register of OMAP4430 which in turn toggles the appropriate signals to MUSB controller. musb driver is register for blocking notifications from the transceiver driver to get the event notifications for connect/disconnect and ID-GND. Based on these events call the transceiver init/shutdown function to configure the transceiver to toggle the VBUS valid, session end and ID_GND signals to musb and power on/off the internal PHY. For ID_GND event notifications, toggle the ID_GND signal and then wait for musb to be configured as "A" device, and then call the transceiver function to set the VBUS. In OTG mode and musb as a host, When the Micro A connector used, VBUS is turned on and session bit set. When the device is connected, enumeration goes through. When the device disconnected from the other end of the connector(ID is still grounded), link will detect the disconnect and end the session. When the device is connected back, there are no events generated in the TWL6030-usb, and link is already down. So the device is not detected. Removed the session bit disable code which will recognize the connect of the device. Limitation: In OTG host mode, if device is connected during boot, it does not get detected. If disconnect and connect it back or connect after boot only it works. Fix for this, I will submit seperate patch later. Signed-off-by: Hema HK <hemahk@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: otg: TWL6030: Add twl6030_usb file for compilationHema HK
Add the twl6030_usb transceiver file for compilation. Signed-off-by: Hema HK <hemahk@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10mfd: TWL6030: OMAP4: Registering the TWL6030-usb deviceHema HK
Registering the twl6030-usb transceiver device as a child to twl6030 core. Removed the NOP transceiver init call from board file. Populated twl4030_usb_data platform data structure with the function pointers for OMAP4430 internal PHY operation to be used by twl630-usb driver. Signed-off-by: Hema HK <hemahk@ti.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10x86: apic: Cleanup and simplify setup_local_APIC()Tejun Heo
setup_local_APIC() is used to setup local APIC early during CPU initialization and already assumes that preemption is disabled on entry. However, The function unnecessarily disables and enables preemption and uses smp_processor_id() multiple times in and out of the nested preemption disabled section. This gives the wrong impression that the function might be able to handle being called with preemption enabled and/or migrated to another processor in the middle. Make it clear that the function is always called with preemption disabled, drop the confusing preemption disable block and call smp_processor_id() once at the beginning of the function. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Cyrill Gorcunov <gorcunov@gmail.com> Reviewed-by: Pekka Enberg <penberg@kernel.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: brgerst@gmail.com LKML-Reference: <4D00B3B9.7060702@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-12-10usb: musb: TWL6030: Selecting TWL6030_USB transceiverHema HK
Selecting the twl6030-usb for OMAP4430SDP and OMAP4PANDA boards and adding OMAP4 internal phy code for compilation Signed-off-by: Hema HK <hemahk@ti.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: otg: Kconfig: Add Kconfig option for TWL6030 transceiver.Hema HK
Added the TWL6030-usb transceiver option in the Kconfig Signed-off-by: Hema HK <hemahk@ti.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: otg: Adding twl6030-usb transceiver driver for OMAP4430Hema HK
Adding the twl6030-usb transceiver support for OMAP4 musb driver. OMAP4 supports 2 types of transceiver interface. 1. UTMI: The PHY is embedded within OMAP4. The transceiver functionality is split between the twl6030 PMIC chip and OMAP4430. The VBUS, ID pin sensing and OTG SRP generation part is integrated in TWL6030 and UTMI PHY functionality is embedded within the OMAP4430. There is no direct interactions between the MUSB controller and TWL6030 chip to communicate the session-valid, session-end and ID-GND events. It has to be done through a software by setting/resetting bits in one of the control module register of OMAP4430 which in turn toggles the appropriate signals to MUSB controller. The internal transceiver has functional clocks and powerdown bits to powerdown the PHY for power saving. Since there is no option available for having 2 transceiver drivers for one USB controller, internal PHY specific APIs are passed through plaform_data function pointers to use in the twl6030-usb transceiver driver. 2. ULPI interface is provided for off-chip transceivers. Signed-off-by: Hema HK <hemahk@ti.com> Cc: Tony Lindgren <tony@atomide.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10mfd: TWL6030: USBOTG VBUS event generation onHema HK
With TWL6030-usb, VBUS SESS_VLD and SESS_END events are not generated as expected. When these interrupts are enabled, charger VBUS detection interrupt does not get generated. So USBOTG has to be dependent on charger VBUS interrupts. So added one bit for USBOTG and changed the handler to call the USBOTG handler whenever there is a charger VBUS interrpt. VBUS SESS_VLD and SESS_END event generation issue is under debug with HW team. This fix might not be required once after fixing the issue. Signed-off-by: Balaji TK <balajitk@ti.com> Signed-off-by: Hema HK <hemahk@ti.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10dccp: remove unused macrosShan Wei
Remove macros which have been unused since the initial implementation (commit 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c, [DCCP]: Initial implementation from Tue Aug 9 20:14:34 2005 -0700). Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2010-12-10usb: musb: add support for ux500 platformMian Yousaf Kaukab
Initial support for u8500 and u5500 platform. Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10musb: am35x: fix compile error due to control apisAjay Kumar Gupta
commit 4814ced5116e3b73dc4f63eec84999739fc8ed11 (OMAP: control: move plat-omap/control.h to mach-omap2/control.h) moved <plat/control.h> to another location, preventing drivers from accessing it, so we need to pass function pointers from arch code to be able to talk to internal PHY on AM35x. Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10arm: omap4: enable usb on 4430sdpFelipe Balbi
Let musb work on 4430sdp as well. We can now test any problems with multi-omap builds. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: drop board_set_vbusFelipe Balbi
that's not used anymore. So let's drop it. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: drop musb_platform_suspend/resumeFelipe Balbi
all glue layers are now fully moved to the new setup. We are now using dev_pm_ops to implement suspend/resume functionality and thus, musb_platform_suspend/resume has become deprecated and useless. This patch drops those function pointers and its uses. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: blackfin: usb dev_pm_ops structureFelipe Balbi
instead of using musb_platform_suspend_resume, we can use dev_pm_ops and let platform_device core handle when to call musb_core's suspend and glue layer's suspend. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: am35x: usb dev_pm_ops structureFelipe Balbi
instead of using musb_platform_suspend_resume, we can use dev_pm_ops and let platform_device core handle when to call musb_core's suspend and glue layer's suspend. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: omap2430: use dev_pm_ops structureFelipe Balbi
instead of using musb_platform_suspend/resume, we can use dev_pm_ops and let the platform_device core handle when to call musb_core's suspend and glue layer's suspend. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: omap2430: drop the nopsFelipe Balbi
we don't need those nops, so drop them. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: mark musb_save/restore_context staticFelipe Balbi
those aren't used outside musb_core.c, so mark them as static. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: drop musb_platform_save/restore_contextFelipe Balbi
... that can be easily folded into the musb_platform_suspend/resume calls. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: drop the set_clock magicFelipe Balbi
now that platform glue layer handles clock completely, that function is completely useless for us. Drop it. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: move clock handling to glue layerFelipe Balbi
musb core doesn't need to know about platform specific details. So start moving clock handling to platform glue layer and make musb core agnostic about that. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: mark ->set_clock deprecatedFelipe Balbi
... we will completely drop that need by moving clock handling to platform glue layer. Marking as deprecated will allow us to catch all users easily. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: pass platform_ops via platform_dataFelipe Balbi
... then we don't need to export any symbols from glue layer to musb_core. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: blackfin: give it a context structureFelipe Balbi
that structure currently only holds a device pointer to our own platform_device and musb's platform_device, but soon it will hold pointers to our clock structures and glue-specific bits and pieces. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: da8xx: give it a context structureFelipe Balbi
that structure currently only holds a device pointer to our own platform_device and musb's platform_device, but soon it will hold pointers to our clock structures and glue-specific bits and pieces. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: davinci: give it a context structureFelipe Balbi
that structure currently only holds a device pointer to our own platform_device and musb's platform_device, but soon it will hold pointers to our clock structures and glue-specific bits and pieces. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: tusb6010: give it a context structureFelipe Balbi
that structure currently only holds a device pointer to our own platform_device and musb's platform_device, but soon it will hold pointers to our clock structures and glue-specific bits and pieces. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: am35x: give it a context structureFelipe Balbi
that structure currently only holds a device pointer to our own platform_device and musb's platform_device, but soon it will hold pointers to our clock structures and glue-specific bits and pieces. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: omap2430: give it a context structureFelipe Balbi
that structure currently only holds a device pointer to our own platform_device and musb's platform_device, but soon it will hold pointers to our clock structures and glue-specific bits and pieces. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: split blackfin to its own platform_driverFelipe Balbi
Just adding its own platform_driver, not really using it yet. Later patches will come to split power management code from musb_core and move it completely to HW glue layer. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: split da8xx to its own platform_driverFelipe Balbi
Just adding its own platform_driver, not really using it yet. When all HW glue layers are converted, more patches will come to split power management code from musb_core and move it completely to HW glue layer. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: split davinci to its own platform_driverFelipe Balbi
Just adding its own platform_driver, not really using it yet. When all HW glue layers are converted, more patches will come to split power management code from musb_core and move it completely to HW glue layer. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: split tusb6010 to its own platform_driverFelipe Balbi
Just adding its own platform_driver, not really using it yet. When all HW glue layers are converted, more patches will come to split power management code from musb_core and move it completely to HW glue layer. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: split am35x to its own platform_driverFelipe Balbi
Just adding its own platform_driver, not really using it yet. When all HW glue layers are converted, more patches will come to split power management code from musb_core and move it completely to HW glue layer. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10usb: musb: split omap2430 to its own platform_driverFelipe Balbi
Just adding its own platform_driver, not really using it yet. When all HW glue layers are converted, more patches will come to split power management code from musb_core and move it completely to HW glue layer. Signed-off-by: Felipe Balbi <balbi@ti.com>
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