Hello All,
I have mpc8313erdb eval board with Linux-2.6.20 running on it.
Recently I had a problem, I wrote a driver and from I am sending
notification to user space application using fasync driver method
(SIGIO signal). In user space applicaion process I have used
posix-timers (timer_create and
The driver should pass a device that specifies internal DMA ops, but
currently NULL pointers are passed, and thus following bug pops up:
Freescale DIU driver
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kernel BUG at arch/powerpc/include/asm/dma-mapping.h:237!
Oops: Exception in kernel mode, sig:
The driver should pass a device that specifies internal DMA ops, but
substream-pcm is just a logical device, and thus doesn't have arch-
specific dma callbacks, therefore following bug appears:
Freescale Synchronous Serial Interface (SSI) ASoC Driver
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With this patch we'll able to select spi_mpc83xx driver on the MPC86xx
platforms. Let the driver depend on FSL_SOC, so we don't have to worry
about Kconfig anymore.
Also remove the experimental dependency, the driver has been tested
to work on a various hardware, and surely not experimental
When a platform is running at high frequencies it's not always
possible to scale-down a frequency to a requested value, and using
mmc_spi driver this leads to the following printk flood during card
polling:
...
mmc_spi spi32766.0: Requested speed is too low: 40 Hz. Will use
520828 Hz
This patch adds spi and mmc-spi-slot nodes, plus a gpio-controller
for PIXIS' sdcsr bank that is used for managing SPI chip-select and
for reading card's states.
Note that spi-max-frequency is lowered since at high frequencies SD
cards don't work reliably (there is some problem with the chip
Anton Vorontsov wrote:
This patch adds spi and mmc-spi-slot nodes, plus a gpio-controller
for PIXIS' sdcsr bank that is used for managing SPI chip-select and
for reading card's states.
Note that spi-max-frequency is lowered since at high frequencies SD
cards don't work reliably (there is
