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2010-05-12arm: msm: smd: fix SMD modem processor sync conditionDaniel Walker
When booting up we need to wait for the modem processor to partially boot. This is because the modem processor does resource allocation for us. If we don't wait the modem won't honor our requests and we end up crashing or in an unknown state. This change just formalizes the waiting process. Signed-off-by: Daniel Walker <c_dwalke@quicinc.com>
2010-05-12arm: msm: smd: ifdef dsp irq handlerDaniel Walker
This irq handler isn't used in all cases, so add the proper ifdef. This eliminates a compiler warning due to the function not getting used. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: smd: remove unneeded predefinesDaniel Walker
This just removed some unneeded predefines. One needed a whole function moved down further. The others could just be deleted. No functional changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: smd: msm7x30 a2m clean upDaniel Walker
This moves the msm_a2m_int() function into the header, and does a small macro clean up to be more inline with Linux norms. No functional changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: smd: convert unsigned addr to unsigned longDaniel Walker
"unsigned" translates to "unsigned int", but this value holds an address. We always want to use unsigned long for addresses since it will change size to fit the machine. This just convert the one address holder to unsigned long. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: smd: use either package v3 or v4 not bothDaniel Walker
This modifies SMD to use either the package v3 or package v4, but not both. The current code tries to allocate as v4 on all system which can produce a scary looking error message on boot up, smem_find(16, 40): wrong size 16424 smd_alloc_channel() cid=02 size=08192 'SMD_RPCCALL' With this error the code then falls back on the package v3 allocation method. This method is inefficient because it causes a slow down on some systems even when the allocation method can be determined at compile time. It also causes a kernel size increase that effects all system and is not needed. This change corrects the allocation to use one method or the other and not both. Signed-off-by: Daniel Walker <c_dwalke@quicinc.com>
2010-05-12arm: msm: smd: checkpatch clean up of smd/proc_commDaniel Walker
This cleans up coding style. There are no run time changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: smd: Force the half_channel struct aligmnent to 4Dima Zavin
Forcing the alignment prevents gcc from generating byte reads for word member variables. Lack of this caused issues when the app processor modified struct members and the modem saw a partial word write. Signed-off-by: Dima Zavin <dima@android.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: correctly signal the apps-to-modem irq in smd/proc_commDima Zavin
Signed-off-by: Dima Zavin <dima@android.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12msm: smd: provide atomic channel writesBrian Swetland
Some smd clients may write from multiple threads, in which case it's not safe to call smd_write without holding a lock. smd_write_atomic() provides the same functionality as smd_write() but obtains the smd lock first. Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: add /proc/last_radio_log when supported by the modem.Iliyan Malchev
Signed-off-by: Iliyan Malchev <malchev@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12msm/qsd: smd: avoid race condition in smd channel allocationBrian Swetland
Don't mark a channel as allocated if we failed to allocate it (perhaps the modem updated one table but not the other, etc) Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: smd: Update the correct fTAIL pointer after reading from fifoHaley Teng
When we read data out of the sender's fifo, we need to advance the sender's tail pointer, not the receiver's. Signed-off-by: Haley Teng <Haley_Teng@htc.com> Acked-by: Dima Zavin <dima@android.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: smd: add support for DSP SMD channelsBrian Swetland
- QSD8250 has a DSP that speaks SMD, in addition to the modem - handle a separate list of modem vs dsp channels - install dsp smd irq handler as necessary Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: cleanup smd, separate debugfs supportBrian Swetland
- pull debug code into smd_debug.c - move necessary structures and defines into smd_private.h - fix some comment formatting, etc Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: Add 8k power collapse support to smdArve Hjønnevåg
Signed-off-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: Add item argument to smsm_change_state and smsm_get_stateArve Hjønnevåg
The new protocol require writing to two state fields, and reading several fields. Signed-off-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12msm: smd: initial support for smd v2Brian Swetland
- support both v2 and v1 style smd channels - support both v2 and v1 smsm shared state - update smsm state defines and smem item enum - prep work for dealing with smd to qdsp6 - simplify some smem access to minimize use of smem_alloc() at runtime Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: smd: don't crash if the smd channel table doesn't existBrian Swetland
Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: shared memory interface for baseband processor ipcBrian Swetland
This code provides the low level interface to the "shared memory state machine" (smsm), and the virtual serial channels (smd), used to communicate with the baseband processor. Higher level transports (rpc, ethernet, AT command channel, etc) ride on top of this. Signed-off-by: Brian Swetland <swetland@google.com>
2010-05-12[ARM] msm: sdcc: Make slot status irq be a resourceDima Zavin
Also, convert all SDCC IRQ resources to be named. No longer pass status_irq in the platform_data Signed-off-by: Dima Zavin <dima@android.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: common: Add SDC device runtime registrationSan Mehat
Signed-off-by: San Mehat <san@google.com> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12MAINTAINERS: add MSM mailing listDaniel Walker
Just adds a mailing list to the MSM maintainer entry. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: add board file for Nexus One (ie. mahimahi)Daniel Walker
This adds a basic board file without Kconfig changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12[ARM] msm: add new vreg IDs for MSM7X30Willie Ruan
Signed-off-by: Willie Ruan <wruan@quicinc.com>
2010-05-12arm: msm: add vreg reference countMatt Wilson
Support independent enable and disable by clients for common vreg. First enable switches on and last disable switches off. This change has no check for voltage level so clients must agree on level for common vreg. Signed-off-by: Matthew Wilson <mtwilson@quicinc.com>
2010-05-12arm: msm: warning fix in acpuclock.cDaniel Walker
Fixes the following warning, arch/arm/mach-msm/acpuclock-arm11.c:138: warning: 'freq_table' defined but not used when CONFIG_CPU_FREQ_TABLE is not enabled. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: status for vregSteve Muckle
Keep track of the success/failure of the last vreg proc comm command, and return that on debugfs reads. Signed-off-by: Steve Muckle <smuckle@quicinc.com>
2010-05-12arm: msm: return error pointer in vreg_get if vreg not foundSteve Muckle
Signed-off-by: Steve Muckle <smuckle@quicinc.com>
2010-05-12arm: msm: move board-dream.c to board-trout.cDaniel Walker
Move the naming of this board file back to the original Google naming. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: add cpu frequency controlsDaniel Walker
This adds acpuclock-arm11.c from Google. This provides control over the cpu frequency for arm11 cpu's. This has shared authorship between Google, and Qualcomm. Most of it was written by Mike Chan at Google. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12msm: add dsb() syncronization to datamover driverBrian Swetland
Avoids problems on the scorpion core. Signed-off-by: Brian Swetland <swetland@google.com>
2010-05-12[ARM] msm: dma: Enable dma clock while dma is activeArve Hjønnevåg
Signed-off-by: Arve Hjønnevåg <arve@android.com>
2010-05-12[ARM] msm: dma: disable_irq -> disable_irq_nosyncArve Hjønnevåg
Signed-off-by: Arve Hjønnevåg <arve@android.com>
2010-05-12[ARM] msm: Update list of proc_comm enums.Dima Zavin
Signed-off-by: Dima Zavin <dima@android.com>
2010-05-12[ARM] msm: irq: fix lockdep issuesArve Hjønnevåg
Signed-off-by: Brian Swetland <swetland@google.com>
2010-05-12[ARM] msm: Add MSM_DEBUG_UART option.Arve Hjønnevåg
Signed-off-by: Arve Hjønnevåg <arve@android.com>
2010-05-12[ARM] msm: halibut: Add memory configuration.Arve Hjønnevåg
2010-05-12arm: msm: add board file for QSD8x50 SURF and FFADaniel Walker
This adds a basic board file without Kconfig changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: add board file for MSM7x30 SURF and FFADaniel Walker
This adds a basic board file without Kconfig changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: add board file for MSM7x25/MSM7x27 SURF and FFADaniel Walker
This adds a basic board file without Kconfig changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12arm: msm: add board file for the HTC Sapphire deviceDaniel Walker
This adds a basic board file without Kconfig changes. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-05-12vhost: fix barrier pairingMichael S. Tsirkin
According to memory-barriers.txt, an smp memory barrier in guest should always be paired with an smp memory barrier in host, and I quote "a lack of appropriate pairing is almost certainly an error". In case of vhost, failure to flush out used index update before looking at the interrupt disable flag could result in missed interrupts, resulting in networking hang under stress. This might happen when flags read bypasses used index write. So we see interrupts disabled and do not interrupt, at the same time guest writes flags value to enable interrupt, reads an old used index value, thinks that used ring is empty and waits for interrupt. Note: the barrier we pair with here is in drivers/virtio/virtio_ring.c, function vring_enable_cb. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com>
2010-05-12Inotify: undefined reference to `anon_inode_getfd'Russell King
Fix: fs/built-in.o: In function `sys_inotify_init1': summary.c:(.text+0x347a4): undefined reference to `anon_inode_getfd' found by kautobuild with arms bcmring_defconfig, which ends up with INOTIFY_USER enabled (through the 'default y') but leaves ANON_INODES unset. However, inotify_user.c uses anon_inode_getfd(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Eric Paris <eparis@redhat.com>
2010-05-12ALSA: ice1724 - Fix ESI Maya44 capture source controlTakashi Iwai
The capture source control of maya44 was wrongly coded with the bit shift instead of the bit mask. Also, the slot for line-in was wrongly assigned (slot 5 instead of 4). Reported-by: Alex Chernyshoff <alexdsp@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-12ARM: 6126/1: ARM mpcore_wdt: fix build failure and other fixesSrinidhi Kasagar
This fixes the build failures seen when building mpcore_wdt and it also removes the nonexistent ARM_MPCORE_PLATFORM dependency, instead make it dependent on HAVE_ARM_TWD. Also this fixes spinlock usage appropriately. Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-12ARM: 6125/1: ARM TWD: move TWD registers to common headerSrinidhi Kasagar
This moves the TWD register set of MPcore to a common existing file so that watchdog driver can access it Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-12genirq: Clear CPU mask in affinity_hint when none is providedPeter P Waskiewicz Jr
When an interrupt is disabled and torn down, the CPU mask returned through affinity_hint right now is all CPUs. Also, for drivers that don't provide an affinity_hint mask, this can be misleading. There should be no hint at all, meaning an empty CPU mask. [ tglx: use zalloc_cpumask_var instead of clearing it under the lock ] Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Cc: davem@davemloft.net Cc: arjan@linux.jf.intel.com Cc: bhutchings@solarflare.com LKML-Reference: <20100505205638.5426.87189.stgit@ppwaskie-hc2.jf.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-05-12ARM: SAMSUNG: Move HWMON from plat-s3c24xx to plat-samsungMaurus Cuelenaere
Move HWMON platform definition from plat-s3c24xx to plat-samsung and adjust mach-bast to use the new s3c_hwmon_set_platdata(). This allows usage of dev-hwmon by other Samsung SoCs. Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-05-12ALSA: pcm - Use pgprot_noncached() for MIPS non-coherent archsTakashi Iwai
MIPS non-coherent archs need the noncached pgprot in mmap of PCM buffers. But, since the coherency needs to be checked dynamically via plat_device_is_coherent(), we need an ugly check dependent on MIPS in ALSA core code. This should be cleaned up in MIPS arch side (e.g. creating dma_mmap_coherent()) in near future. Tested-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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