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2011-03-16Merge branch 'p2v' into develRussell King
Conflicts: arch/arm/kernel/module.c arch/arm/mach-s5pv210/sleep.S
2011-02-28davinci: cpufreq: fix section mismatch warningAxel Lin
Fix below section mismatch warning: WARNING: vmlinux.o(.data+0x673c): Section mismatch in reference from the variable davinci_driver to the function .init.text:davinci_cpu_init() The variable davinci_driver references the function __init davinci_cpu_init() If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console, Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
2011-02-28DaVinci: fix compilation warnings in <mach/clkdev.h>Sergei Shtylyov
Commit 6d803ba736abb5e122dede70a4720e4843dd6df4 (ARM: 6483/1: arm & sh: factorised duplicated clkdev.c) caused the following warnings: In file included from /home/headless/src/kernel.org/linux-davinci/arch/arm/ include/asm/clkdev.h:17, from include/linux/clkdev.h:15, from arch/arm/mach-davinci/clock.h:71, from arch/arm/mach-davinci/common.c:22: arch/arm/mach-davinci/include/mach/clkdev.h:4: warning: `struct clk' declared inside parameter list arch/arm/mach-davinci/include/mach/clkdev.h:4: warning: its scope is only this definition or declaration, which is probably not what you want arch/arm/mach-davinci/include/mach/clkdev.h:9: warning: `struct clk' declared inside parameter list Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
2011-02-28davinci: tnetv107x: fix register indexing for GPIOs numbers > 31Hirosh Dabui
This patch fix a bug in the register indexing for GPIOs numbers > 31 to get the relevant hardware registers of tnetv107x to control the GPIOs. In the structure tnetv107x_gpio_regs: struct tnetv107x_gpio_regs { u32 idver; u32 data_in[3]; u32 data_out[3]; u32 direction[3]; u32 enable[3]; }; The GPIO hardware register addresses of tnetv107x are stored. The chip implements 3 registers of each entity to serve 96 GPIOs, each register provides a subset of 32 GPIOs. The driver provides these macros: gpio_reg_set_bit, gpio_reg_get_bit and gpio_reg_clear_bit. The bug implied the use of macros to access the relevant hardware register e.g. the driver code used the macro like this: 'gpio_reg_clear_bit(&reg->data_out, gpio)' But it has to be used like this: 'gpio_reg_clear_bit(reg->data_out, gpio)'. The different results are shown here: - &reg->data_out + 1 (it will add the full array size of data_out i.e. 12 bytes) - reg->data_out + 1 (it will increment only the size of data_out i.e. only 4 bytes) Acked-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Hirosh Dabui <hirosh.dabui@snom.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
2011-02-28davinci: da8xx/omap-l1x: add platform device for davinci-pcm-audioRajashekhara, Sudhakar
After the multi-component commit f0fba2ad (ASoC: multi-component - ASoC Multi-Component Support) for ASoC, we need to register the platform device for davinci-pcm-audio. This patch and patch at [1] are required for audio to work on DA850/OMAP-L138. [1] https://patchwork.kernel.org/patch/495211/ Signed-off-by: Rajashekhara, Sudhakar <sudhakar.raj@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
2011-02-17ARM: P2V: separate PHYS_OFFSET from platform definitionsRussell King
This uncouple PHYS_OFFSET from the platform definitions, thereby facilitating run-time computation of the physical memory offset. Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Magnus Damm <damm@opensource.se> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Wan ZongShun <mcuos.com@gmail.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Acked-by: Jiandong Zheng <jdzheng@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-01-15Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (161 commits) ARM: pxa: fix building issue of missing physmap.h ARM: mmp: PXA910 drive strength FAST using wrong value ARM: mmp: MMP2 drive strength FAST using wrong value ARM: pxa: fix recursive calls in pxa_low_gpio_chip AT91: Support for gsia18s board AT91: Acme Systems FOX Board G20 board files AT91: board-sam9m10g45ek.c: Remove duplicate inclusion of mach/hardware.h ARM: pxa: fix suspend/resume array index miscalculation ARM: pxa: use cpu_has_ipr() consistently in irq.c ARM: pxa: remove unused variable in clock-pxa3xx.c ARM: pxa: fix warning in zeus.c ARM: sa1111: fix typo in sa1111_retrigger_lowirq() ARM mxs: clkdev related compile fixes ARM i.MX mx31_3ds: Fix MC13783 regulator names ARM: plat-stmp3xxx: irq_data conversion. ARM: plat-spear: irq_data conversion. ARM: plat-orion: irq_data conversion. ARM: plat-omap: irq_data conversion. ARM: plat-nomadik: irq_data conversion. ARM: plat-mxc: irq_data conversion. ... Fix up trivial conflict in arch/arm/plat-omap/gpio.c (Lennert Buytenhek's irq_data conversion clashing with some omap irq updates)
2011-01-13Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) Documentation/trace/events.txt: Remove obsolete sched_signal_send. writeback: fix global_dirty_limits comment runtime -> real-time ppc: fix comment typo singal -> signal drivers: fix comment typo diable -> disable. m68k: fix comment typo diable -> disable. wireless: comment typo fix diable -> disable. media: comment typo fix diable -> disable. remove doc for obsolete dynamic-printk kernel-parameter remove extraneous 'is' from Documentation/iostats.txt Fix spelling milisec -> ms in snd_ps3 module parameter description Fix spelling mistakes in comments Revert conflicting V4L changes i7core_edac: fix typos in comments mm/rmap.c: fix comment sound, ca0106: Fix assignment to 'channel'. hrtimer: fix a typo in comment init/Kconfig: fix typo anon_inodes: fix wrong function name in comment fix comment typos concerning "consistent" poll: fix a typo in comment ... Fix up trivial conflicts in: - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c) - fs/ext4/ext4.h Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
2011-01-13ARM: davinci: irq_data conversion.Lennert Buytenhek
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
2011-01-07Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (77 commits) spi/omap: Fix DMA API usage in OMAP MCSPI driver spi/imx: correct the test on platform_get_irq() return value spi/topcliff: Typo fix threhold to threshold spi/dw_spi Typo change diable to disable. spi/fsl_espi: change the read behaviour of the SPIRF spi/mpc52xx-psc-spi: move probe/remove to proper sections spi/dw_spi: add DMA support spi/dw_spi: change to EXPORT_SYMBOL_GPL for exported APIs spi/dw_spi: Fix too short timeout in spi polling loop spi/pl022: convert running variable spi/pl022: convert busy flag to a bool spi/pl022: pass the returned sglen to the DMA engine spi/pl022: map the buffers on the DMA engine spi/topcliff_pch: Fix data transfer issue spi/imx: remove autodetection spi/pxa2xx: pass of_node to spi device and set a parent device spi/pxa2xx: Modify RX-Tresh instead of busy-loop for the remaining RX bytes. spi/pxa2xx: Add chipselect support for Sodaville spi/pxa2xx: Consider CE4100's FIFO depth spi/pxa2xx: Add CE4100 support ...
2011-01-07Merge branch 'usb-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 * 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (144 commits) USB: add support for Dream Cheeky DL100B Webmail Notifier (1d34:0004) USB: serial: ftdi_sio: add support for TIOCSERGETLSR USB: ehci-mxc: Setup portsc register prior to accessing OTG viewport USB: atmel_usba_udc: fix freeing irq in usba_udc_remove() usb: ehci-omap: fix tll channel enable mask usb: ohci-omap3: fix trivial typo USB: gadget: ci13xxx: don't assume that PAGE_SIZE is 4096 USB: gadget: ci13xxx: fix complete() callback for no_interrupt rq's USB: gadget: update ci13xxx to work with g_ether USB: gadgets: ci13xxx: fix probing of compiled-in gadget drivers Revert "USB: musb: pm: don't rely fully on clock support" Revert "USB: musb: blackfin: pm: make it work" USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path USB: uas: Ensure we only bind to a UAS interface USB: uas: Rename sense pipe and sense urb to status pipe and status urb USB: uas: Use kzalloc instead of kmalloc USB: uas: Fix up the Sense IU usb: musb: core: kill unneeded #include's DA8xx: assign name to MUSB IRQ resource usb: gadget: g_ncm added ... Manually fix up trivial conflicts in USB Kconfig changes in: arch/arm/mach-omap2/Kconfig arch/sh/Kconfig drivers/usb/Kconfig drivers/usb/host/ehci-hcd.c and annoying chip clock data conflicts in: arch/arm/mach-omap2/clock3xxx_data.c arch/arm/mach-omap2/clock44xx_data.c
2011-01-06Merge branch 'devel-stable' into develRussell King
Conflicts: arch/arm/mach-pxa/clock.c arch/arm/mach-pxa/clock.h
2011-01-06Merge branch 'misc' into develRussell King
Conflicts: arch/arm/Kconfig arch/arm/common/Makefile arch/arm/kernel/Makefile arch/arm/kernel/smp.c
2011-01-06Merge branch 'smp' into miscRussell King
Conflicts: arch/arm/kernel/entry-armv.S arch/arm/mm/ioremap.c
2011-01-05Merge branch 'clksrc' into develRussell King
Conflicts: arch/arm/mach-vexpress/v2m.c arch/arm/plat-omap/counter_32k.c arch/arm/plat-versatile/Makefile
2010-12-29Merge branch 'for-grant' of ↵Grant Likely
git://arago-project.org/git/projects/linux-davinci into spi/next * 'for-grant' of git://arago-project.org/git/projects/linux-davinci into spi/next spi: davinci: fix checkpatch errors spi: davinci: whitespace cleanup spi: davinci: remove unused variable 'pdata' spi: davinci: set chip-select mode in SPIDEF only once spi: davinci: enable both activation and deactivation of chip-selects spi: davinci: remove unnecessary data transmit on CS disable spi: davinci: enable GPIO lines to be used as chip selects spi: davinci: simplify prescalar calculation spi: davinci: remove 'wait_enable' platform data member spi: davinci: make chip-slect specific parameters really chip-select specific spi: davinci: consolidate setup of SPIFMTn in one function spi: davinci: setup chip-select timers values only if timer enabled spi: davinci: add support for wait enable timeouts spi: davinci: remove unused members of davinci_spi_slave spi: davinci: eliminate the single member structure davinci_spi_slave spi: davinci: eliminate unnecessary update of davinci_spi->count spi: davinci: simplify calculation of edma acount value spi: davinci: check for NULL buffer pointer before using it spi: davinci: remove unnecessary disable of SPI spi: davinci: remove unnecessary 'count' variable in driver private data spi: davinci: remove unnecessary completion variable initialization spi: davinci: remove non-useful interrupt mode support spi: davinci: simplify poll mode transfers spi: davinci: add support for interrupt mode spi: davinci: configure the invariable bits in spipc0 only once spi: davinci: remove unnecessary function davinci_spi_bufs_prep() spi: davinci: remove unnecessary call to davinci_spi_setup_transfer() spi: davinci: do not store DMA channel information per chip select spi: davinci: always start transmit DMA spi: davinci: do not use temporary buffer if no transmit data provided spi: davinci: always start receive DMA spi: davinci: use edma_write_slot() to setup EDMA PaRAM slot spi: davinci: fix DMA event generation stoppage spi: davinci: fix EDMA CC errors at end of transfers spi: davinci: handle DMA completion errors correctly spi: davinci: remove usage of additional completion variables for DMA spi: davinci: let DMA operation be specified on per-device basis spi: davinci: remove non-useful "clk_internal" platform data spi: davinci: enable and power-up SPI only when required spi: davinci: setup the driver owner spi: davinci: add additional comments spi: davinci: add EF Johnson Technologies copyright spi: davinci: removed unused #defines spi: davinci: remove unnecessary typecast spi: davinci: do not treat Tx interrupt being set as error spi: davinci: do not allocate DMA channels during SPI device setup spi: davinci: remove unnecessary private data member 'region_size' spi: davinci: shorten variable names spi: davinci: kconfig: add manufacturer name to prompt string
2010-12-22ARM: davinci: update clock source registrationRussell King
In d7e81c2 (clocksource: Add clocksource_register_hz/khz interface) new interfaces were added which simplify (and optimize) the selection of the divisor shift/mult constants. Switch over to using this new interface. Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-22davinci: am18x/da850/omap-l138 evm: add support for higher speed gradesSekhar Nori
Apart from the regular AM18x/DA850/OMAP-L138 SoC operating at 300MHz, these SoCs have variants that can operate at a maximum of 456MHz. Variants at 408Mhz and 375 Mhz are available as well. Not all silicon is qualified to run at higher speeds and unfortunately the maximum speed the chip can support can only be determined from the label on the package (not software readable). The EVM hardware for all these variants is the same (except for the actual SoC populated). U-Boot on the EVM sets up ATAG_REVISION to inform the OS regarding the speed grade supported by the silicon. We use this information to pass on the speed grade information to the SoC code. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-22davinci: am18x/da850/omap-l138: add support for higher speed gradesSekhar Nori
AM18x/DA850/OMAP-L138 SoCs have variants that can operate at a maximum of 456 MHz at 1.3V operating point. Also the 1.2V operating point has a variant that can support a maximum of 375 MHz. This patch adds three new OPPs (456 MHz, 408 MHz and 372 MHz) to the list of DA850 OPPs. Not all silicon is qualified to run at higher speeds and unfortunately the maximum speed the chip can support can only be determined from the label on the package (not software readable). Because of this, we depend on the maximum speed grade information to be provided to us in some board specific way. The board informs the maximum speed grade information by setting the da850_max_speed variable. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-22da850-evm: KEYBOARD_GPIO_POLLED Kconfig conditionalBen Gardiner
Use the mach-davinci/Kconfig to enable gpio-keys-polled as default when da850-evm machine is enabled. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> CC: Kevin Hilman <khilman@deeprootsystems.com> CC: "Nori, Sekhar" <nsekhar@ti.com> CC: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-22da850-evm: add baseboard GPIO expander buttons, switches and LEDsBen Gardiner
This patch adds a pca953x platform device for the tca6416 found on the evm baseboard. The tca6416 is a GPIO expander, also found on the UI board at a separate I2C address. The pins of the baseboard IO expander are connected to software reset, deep sleep enable, test points, a push button, DIP switches and LEDs. Add support for the push button, DIP switches and LEDs and test points (as free GPIOs). The reset and deep sleep enable connections are reserved by the setup routine so that userspace can't toggle those lines. The existing tca6416-keypad driver was not employed because there was no apararent way to register the LEDs connected to gpio's on the tca6416 while simultaneously registering the tca6416-keypad instance. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Reviewed-by: Chris Cordahi <christophercordahi@nanometrics.ca> CC: Govindarajan, Sriramakrishnan <srk@ti.com> Reviewed-by: Sekhar Nori <nsekhar@ti.com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> CC: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-22da850-evm: extract defines for SEL{A,B,C} pins in UI expanderBen Gardiner
The setup and teardown methods of the UI expander reference the SEL_{A,B,C} pins by 'magic number' in each function. This uses the common enum for their offsets in the expander setup and teardown functions. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Reviewed-by: Chris Cordahi <christophercordahi@nanometrics.ca> Reviewed-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> CC: Victor Rodriguez <vm.rod25@gmail.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-22da850-evm: add UI Expander pushbuttonsBen Gardiner
This patch adds EV_KEYs for each of the 8 pushbuttons on the UI board via a gpio-key device. The expander is a tca6416; it controls the SEL_{A,B,C} lines which enable and disable the peripherals found on the UI board in addition to the 8 pushbuttons mentioned above. The reason the existing tca6416-keypad driver is not employed is because there was no aparent way to keep the gpio lines used as SEL_{A,B,C} registered while simultaneously registering the pushbuttons as a tca6416-keypad instance. Some experimentation with the polling interval was performed; we were searching for the largest polling interval that did not affect the feel of the responsiveness of the buttons. It is very subjective but 200ms seems to be a good value that accepts firm pushes but rejects very light ones. The key values assigned to the buttons were arbitrarily chosen to be F1-F8. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Reviewed-by: Chris Cordahi <christophercordahi@nanometrics.ca> CC: Govindarajan, Sriramakrishnan <srk@ti.com> Reviewed-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> CC: Kevin Hilman <khilman@deeprootsystems.com> CC: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-22Merge branch 'master' into for-nextJiri Kosina
Conflicts: MAINTAINERS arch/arm/mach-omap2/pm24xx.c drivers/scsi/bfa/bfa_fcpim.c Needed to update to apply fixes for which the old branch was too outdated.
2010-12-16Merge branch 'usb-next' into musb-mergeGreg Kroah-Hartman
* usb-next: (132 commits) USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path USB: uas: Ensure we only bind to a UAS interface USB: uas: Rename sense pipe and sense urb to status pipe and status urb USB: uas: Use kzalloc instead of kmalloc USB: uas: Fix up the Sense IU usb: musb: core: kill unneeded #include's DA8xx: assign name to MUSB IRQ resource usb: gadget: g_ncm added usb: gadget: f_ncm.c added usb: gadget: u_ether: prepare for NCM usb: pch_udc: Fix setup transfers with data out usb: pch_udc: Fix compile error, warnings and checkpatch warnings usb: add ab8500 usb transceiver driver USB: gadget: Implement runtime PM for MSM bus glue driver USB: gadget: Implement runtime PM for ci13xxx gadget USB: gadget: Add USB controller driver for MSM SoC USB: gadget: Introduce ci13xxx_udc_driver struct USB: gadget: Initialize ci13xxx gadget device's coherent DMA mask USB: gadget: Fix "scheduling while atomic" bugs in ci13xxx_udc USB: gadget: Separate out PCI bus code from ci13xxx_udc ...
2010-12-11DA8xx: assign name to MUSB IRQ resourceSergei Shtylyov
Commit fcf173e4511193b1efeccb0f22a8c641b464353b (usb: musb: add names for IRQs in structure resource) forgot to assign name to the DA8xx MUSB IRQ resource. Because of that MUSB driver fails to load on DA8xx machines. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10davinci: kconfig: select at24 eeprom for selected boardsKevin Hilman
Ensure that the at24 eeprom driver is selected for certain boards that need boot data (e.g. MAC address) from EEPROM. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-12-10da850-evm, trivial: use da850_evm prefix for consistencyBen Gardiner
There was a single case of 'da850evm' prefix in the board-da850-evm.c file where the reset of the prefixes were 'da850_evm'; change it to 'da850_evm' for consistency. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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>
2010-12-10usb: 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: trivial search and replace patchFelipe Balbi
change all ocurrences of musb_hdrc to musb-hdrc. We will call glue layer drivers musb-<glue layer>, so in order to keep things somewhat standard, let's change the underscore into a dash. Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-08ARM: io: make iounmap() a simple macroRussell King
Defining iounmap() with arguments prevents it from being used as a function pointer, causing platforms to work around this. Instead, define it to be a simple macro. Do the same for __arch_io(re|un)map too. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-01usb: musb: add names for IRQs in structure resourceHema Kalliguddi
Soon resource data will get automatically populated from a set of autogenerated data from TI's hardware database for the OMAP platform. Such database, might not have resources at the expected order by the current drivers. While we could hack in some exceptions to that tool to generate resources in a specific order, it seems less fragile to use the resource name instead. That way, no matter what order the resources are generated, the driver still work. Modified the OMAP, Blackfin and Davinci architecture files to add the name of the IRQs in the resource structures and musb driver to use the platform_get_irq_byname() api to get the device and dma irq numbers instead of using the index. Cc: Tony Lindgren <tony@atomide.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Hema HK <hemahk@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-26ARM: 6483/1: arm & sh: factorised duplicated clkdev.cJean-Christop PLAGNIOL-VILLARD
factorise some generic infrastructure to assist looking up struct clks for the ARM & SH architecture. as the code is identical at 99% put the arch specific code for allocation as example in asm/clkdev.h Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-18spi: davinci: add additional commentsBrian Niebuhr
Add comments describing the platform data members and per-chip-select SPI configuration structure. Also, add some comments describing the what happens during the driver probe. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: remove non-useful "clk_internal" platform dataBrian Niebuhr
The "clk_internal" platform data member which contols the CLKMOD bit in Global Control Register 1 is not useful since CLKMOD needs be set to 1 *always* to ensure master mode operation. Remove this platform data. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: let DMA operation be specified on per-device basisBrian Niebuhr
Let DMA operation be specified on a per-device basis instead of selecting it once during probe. A side effect of this is the need to combine the PIO and DMA buffer txrx_bufs routine. This is good since they anyway share some common functionality. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: do not allocate DMA channels during SPI device setupSekhar Nori
Do not allocate (and de-allocate) SPI DMA channels during setup (and cleanup) for each SPI device. Instead, allocate the DMA channels once duing probe and use them for the life time of the driver. This makes sense since there are dedicated DMA channels meant for SPI use. This also helps remove the unnecessary DMA "sync_dev" variables being used to store DMA channel information. Also, the "use_dma" platform variable is now eliminated since it is possible to check if the platform supports DMA or not based upon whether DMA resources can be found or not. Tested-By: Michael Williamson <michael.williamson@criticallink.com> Tested-By: Brian Niebuhr <bniebuhr@efjohnson.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: always start transmit DMABrian Niebuhr
Due to the full duplex nature of the SPI bus, the SPI master on DaVinci needs transmit to be active even if the tranfer is only meant to collect receive data. The current code achieves this by using a temporary zeroed buffer to provide DMA data in case the transfer does not have a transmit buffer provided. However, the transmit DMA is started only if transmit buffer is provided rendering the temporary buffer unused. Instead the code relies on a write to SPIDAT1 register to trigger transmit operation. This however only sends two bytes of data. Fix this by starting transmit DMA always. This changes exposes a bug on DM355 where the CSHOLD bit in SPIDAT1 needs to be written to in between transfers. Handle that by introducing a "cshold_bug" platform data which is set to true for DM355. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: add support for interrupt modeBrian Niebuhr
Add support for SPI interrupt mode operation. Define a per chip-select "io type" variable which specifies if the transfers on this chip-select should happen in interrupt mode or polled mode. Introduce a new function davinci_spi_process_events() to help consolidate the code between interrupt mode processing and polled mode processing. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: remove non-useful interrupt mode supportBrian Niebuhr
The interrupt mode support as it stands is another version of poll mode. Even when interrupt mode is selected, the code tight loops on interrupt status register, rendering it totally useless. A completion variable is initialized, but never used. Remove this fake interrupt mode since users can anyway use poll mode with no functional difference. A usefully implemented interrupt mode support can be added later. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: add support for wait enable timeoutsBrian Niebuhr
Just enabling WAITENA in SPIFMTn register waits for the enable signal from the slave indefinitely. Allow support for finite waiting by adding support for c2e delay (maximum time for addressed slave to respond) and t2e delay (maximum time for slave to respond after transmit data finished). While at it, modify the T2C and C2T defines by prepending the register name as is the convention followed for other register field elsewhere in the driver. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2010-11-18spi: davinci: make chip-slect specific parameters really chip-select specificBrian Niebuhr
Some chip-select specific paramterers like wdelay, parity, usage of chip-select timers (and the actual timer values) are included in platform data forcing the same behaviour across all chip-selects. Create a new davinci_spi_config data structure which can be passed along using controller_data member of spi_device data structure on a per-device basis. Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com> Tested-By: Michael Williamson <michael.williamson@criticallink.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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