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RE: mysterious crashes on OMAP5 uevm

> From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap- > ow...@vger.kernel.org] On Behalf Of Russell King - ARM Linux > Sent: Friday, September 11, 2015 9:03 AM > To: Grazvydas Ignotas > However, even the idea that it's ARMv7 or later is wrong. According to > the ARM ARM, the IT

Re: mysterious crashes on OMAP5 uevm

On Fri, Sep 11, 2015 at 04:12:21PM +, Woodruff, Richard wrote: > > From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap- > > ow...@vger.kernel.org] On Behalf Of Russell King - ARM Linux > > Sent: Friday, September 11, 2015 9:03 AM > > To: Grazvydas Ignotas > > > However, even the idea

RE: mysterious crashes on OMAP5 uevm

> From: Russell King - ARM Linux [mailto:li...@arm.linux.org.uk] > Sent: Friday, September 11, 2015 12:49 PM > Frankly, Richard, you're getting on my nerves in this thread - you seem to > know all about this problem, yet you never reported the problem upstream, > so people are effectively having

Re: [PATCH RFC 1/5] ASoC: davinci-mcasp: Set .symmetric_rates = 1 in snd_soc_dai_driver

On 09/09/2015 09:27 PM, Jyri Sarha wrote: > The TX and RX direction share the same bit clock and frame sync, so > the samplerate must be the same to both directions. Acked-by: Peter Ujfalusi > Signed-off-by: Jyri Sarha > --- >

Re: mysterious crashes on OMAP5 uevm

On Fri, Sep 11, 2015 at 03:27:13PM +0200, Grazvydas Ignotas wrote: > On Thu, Sep 10, 2015 at 10:30 AM, Russell King - ARM Linux > wrote: > > On Thu, Sep 10, 2015 at 08:42:57AM +0200, Dr. H. Nikolaus Schaller wrote: > >> ... > >> > >> Now, disabling CONFIG_ARCH_MULTI_V6

[PATCH v2 19/23] dmaengine: edma: Consolidate the comments for functions

Remove or rewrite the comments for the internal functions. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 86 +++--- 1 file changed, 11 insertions(+), 75 deletions(-) diff --git a/drivers/dma/edma.c

[PATCH v2 11/23] ARM/dmaengine: edma: Merge the two drivers under drivers/dmaengine

Move the code out from arch/arm/common and merge it inside of the dmaengine driver. This change is done with as minimal change to the code as possible to avoid any possibilities to introducing regression. Signed-off-by: Peter Ujfalusi --- arch/arm/Kconfig

[PATCH v2 18/23] dmaengine: edma: Print warning when linking slots from different eDMA

Warning message in case of linking between paRAM slots in different eDMA controllers. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index fcd612fbf00d..5dd0cd478523

[PATCH v2 16/23] dmaengine: edma: Use dev_dbg instead pr_debug

We have access to dev, so it is better to use the dev_dbg for debug prints. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 22 +++--- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index

[PATCH v2 02/23] ARM: common: edma: Remove unused functions

We no longer have users for these functions so they can be removed. Remove also unused enums from the header file. Signed-off-by: Peter Ujfalusi --- arch/arm/common/edma.c | 376 - include/linux/platform_data/edma.h | 33

[PATCH v2 03/23] dmaengine: edma: Simplify and optimize the edma_execute path

The code path in edma_execute() and edma_callback() can be simplified and make it more optimal. There is not need to call in to edma_execute() when the transfer has been finished for example. Also the handling of missed/first or next batch of paRAMs can be done in a more optimal way.

[PATCH v2 07/23] ARM/dmaengine: edma: Public API to use private struct pointer

Instead of relying on indexes pointing to edma private date in the global pointer array, pass the private data pointer via the public API. Signed-off-by: Peter Ujfalusi --- arch/arm/common/edma.c | 305 ++--- drivers/dma/edma.c

[PATCH v2 13/23] dmaengine: edma: Parameter alignment and long line fixes

Makes the code a bit more readable. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 84 -- 1 file changed, 44 insertions(+), 40 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index

[PATCH v2 15/23] dmaengine: edma: Cleanup regarding the use of dev around the code

Be consistent and do not mix the use of dev, >dev, etc in the functions. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 21 ++--- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index

[PATCH v2 12/23] dmaengine: edma: Allocate memory dynamically for bitmaps and structures

Instead of using defines to specify the size of different arrays and bitmaps, allocate the memory for them based on the information we get from the HW itself. Since these defines are set based on the worst case, there are devices where they are not valid. Signed-off-by: Peter Ujfalusi

[PATCH v2 04/23] ARM: davinci/common: Convert edma driver to handle one eDMA instance per driver

Currently we have one device created to handle all (maximum 2) eDMAs in the system. With this change all eDMA instance will have it's own device/driver. This change is needed for further cleanups in the eDMA driver stack since the one device/driver to handle all eDMAs in the system was not

[PATCH v2 14/23] dmaengine: edma: Use devm_kcalloc when possible

When allocating a memory for number of items it is better (looks better) to use devm_kcalloc. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index

[PATCH v2 06/23] ARM: common: edma: Internal API to use pointer to 'struct edma'

Merge the iomem into the 'struct edma' and change the internal (static) functions to use pointer to the edma_cc instead of the ctlr number. Signed-off-by: Peter Ujfalusi --- arch/arm/common/edma.c | 400 - 1 file changed,

[PATCH v2 05/23] ARM/dmaengine: edma: Move of_dma_controller_register to the dmaengine driver

If the of_dma_controller is registered in the non dmaengine driver we could have race condition: the of_dma_controller has been registered, but the dmaengine driver is not yet probed. Drivers requesting DMA channels during this window will fail since we do not yet have dmaengine drivers

[PATCH v2 10/23] ARM: davinci: Add set dma_mask to eDMA devices

The upcoming change to merge the arch/arm/common/edma.c into drivers/dma/edma.c will need this change when booting daVinci devices in no DT mode. Signed-off-by: Peter Ujfalusi --- arch/arm/mach-davinci/devices-da8xx.c | 2 ++ arch/arm/mach-davinci/dm355.c | 1 +

[PATCH v2 08/23] ARM/dmaengine: edma: Remove limitation on the number of eDMA controllers

Since the driver stack no longer depends on lookup with id number in a global array of pointers, the limitation for the number of eDMAs are no longer needed. We can handle as many eDMAs in legacy and DT boot as we have memory for them to allocate the needed structures. Signed-off-by: Peter

[PATCH v2 17/23] dmaengine: edma: Use the edma_write_slot instead open coded memcpy_toio

edma_write_slot() is for writing an entire paRAM slot. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index ed67206626e9..fcd612fbf00d 100644 ---

[PATCH v2 09/23] ARM: davinci: Use platform_device_register_full() to create pdev for eDMA

Convert the eDMA platform device creation to use struct platform_device_info XX __initconst and platform_device_register_full() This will allow us to cleanly specify the dma_mask for the devices in an upcoming patch. Signed-off-by: Peter Ujfalusi ---

[PATCH v2 00/23] dmaengine/ARM: Merge the edma drivers into one

Hi, Changes since v1: - Convert edma platform device registration to use platform_device_register_full - Moved the PM callback also to the dmaengine driver - missed in v1 - Commit message added to: ARM/dmaengine: edma: Remove limitation on the number of eDMA controllers - New patch which reads

[PATCH RFC] ASoC: simple-card: Update clocks binding for simple-card DAI subnodes

The updated binding provides a way to set clock-ID and direction parameters for DAI drivers set_sysclk() call back. Signed-off-by: Jyri Sarha --- I proposed something similar about a year ago, but Mark rejected that at the time. This RFC is to start that discussion again. This

Re: mysterious crashes on OMAP5 uevm

On Thu, Sep 10, 2015 at 10:30 AM, Russell King - ARM Linux wrote: > On Thu, Sep 10, 2015 at 08:42:57AM +0200, Dr. H. Nikolaus Schaller wrote: >> ... >> >> Now, disabling CONFIG_ARCH_MULTI_V6 also makes the bug go away and adding the >> >> #if 0 //__LINUX_ARM_ARCH__ >= 7 >>

[PATCH v2 01/23] ARM: common: edma: Fix channel parameter for irq callbacks

In case when the interrupt happened for the second eDMA the channel number was incorrectly passed to the client driver. Signed-off-by: Peter Ujfalusi CC: --- arch/arm/common/edma.c | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff

[PATCH v2 21/23] dmaengine: edma: Move the pending error check into helper function

In the ccerr interrupt handler the code checks for pending errors in the error status registers in two different places. Move the check out to a helper function. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 20 1 file changed, 12

[PATCH v2 20/23] dmaengine: edma: Simplify the interrupt handling

With the merger of the arch/arm/common/edma.c code into the dmaengine driver, there is no longer need to have per channel callback/data storage for interrupt events. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 447

[PATCH v2 23/23] dmaengine: edma: Read channel mapping support only once from HW

Instead of directly reading it from CCCFG register take the information out once when we set up the configuration from the HW. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 8 ++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git

[PATCH v2 22/23] dmaengine: edma: Simplify and optimize ccerr interrupt handler

No need to run through the bits in QEMR and CCERR events since they will not trigger any action, so just clearing the errors there is fine. In case of the missed event the loop can be optimized so we spend less time to handle the event. Signed-off-by: Peter Ujfalusi ---