On 03/18/2010 06:11 PM, Ned Forrester wrote:
>
> It could be a lot of places, from bug in your code to bug in the
> controller driver. I'm not sure how much testing omap2_mcspi.c has
> received. When I first started using pxa2xx_spi.c, less than a year
> after it appeared in the kernel, I found a
On 03/18/2010 04:09 PM, Amit Uttamchandani wrote:
> On Thu, Mar 18, 2010 at 01:28:17PM -0400, Ned Forrester wrote:
>
> [...]
>
>>
>> The message is atomic in the sense that the controller driver guarantees
>> to complete all the transfers defined in the message (assuming no
>> errors) before it h
On Thu, Mar 18, 2010 at 01:28:17PM -0400, Ned Forrester wrote:
[...]
>
> The message is atomic in the sense that the controller driver guarantees
> to complete all the transfers defined in the message (assuming no
> errors) before it handles the next message. Each transfer may change
> the cloc
On 03/18/2010 12:46 PM, Amit Uttamchandani wrote:
> On Wed, Mar 17, 2010 at 05:28:16PM -0400, Ned Forrester wrote:
>
> [...]
>
>> If I recall correctly, the work queue does NOT run in interrupt context
>> (are allowed to sleep), and therefore mutexs are permitted (for locking
>> with other non-in
On Thursday, March 18, 2010 10:00 AM, Mika Westerberg wrote:
> Added a new function: ep93xx_chip_revision() which reads chip revision from
> the
> sysconfig register.
>
> Signed-off-by: Mika Westerberg
Hello Mika,
I'm ok with this part of your patch series.
Acked-by: H Hartley Sweeten
> --
This patch adds an SPI master driver for the Cirrus EP93xx SPI controller found
in EP93xx chips (EP9301, EP9302, EP9307, EP9312 and EP9315).
Driver currently supports only interrupt driven mode but in future we may add
polling mode support as well.
Signed-off-by: Mika Westerberg
---
arch/arm/ma
This patch adds platform side support code for EP93xx SPI driver. This includes
clock, resources and muxing. There is a new function: ep93xx_register_spi() that
can be used by board support code to register new SPI devices for the board.
Patch depends on the previous patch which adds function ep93
Added a new function: ep93xx_chip_revision() which reads chip revision from the
sysconfig register.
Signed-off-by: Mika Westerberg
---
arch/arm/mach-ep93xx/core.c | 14 ++
arch/arm/mach-ep93xx/include/mach/platform.h |8
2 files changed, 22 insertions(
Hello,
This is second, updated revision of the series. I tried to address all the
review comments given by H Hartley Sweeten, Ryan Mallon and Martin Guy.
I also tested these again with my TS-7260 board (it has EP9302 chip) using at25
and mmc_spi drivers.
Please review.
Thanks,
MW
Mika Westerbe
On Wed, Mar 17, 2010 at 05:28:16PM -0400, Ned Forrester wrote:
[...]
> If I recall correctly, the work queue does NOT run in interrupt context
> (are allowed to sleep), and therefore mutexs are permitted (for locking
> with other non-interrupt activity). The interrupt handler definitely
> runs i
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