On Wed, Feb 17, 2010 at 2:41 PM, Mike Frysinger wrote:
> On Wed, Feb 17, 2010 at 16:07, Grant Likely wrote:
>> Also, even if I agreed with the premise that a cookie is needed for
>> deciding who can use the bus when locked, it is still a good idea to
>> use a different API when working with a lock
On Wed, Feb 17, 2010 at 16:07, Grant Likely wrote:
> On Wed, Feb 17, 2010 at 1:19 PM, Mike Frysinger wrote:
>> On Wed, Feb 17, 2010 at 15:06, Grant Likely wrote:
>>> On Wed, Feb 17, 2010 at 12:03 PM, Mike Frysinger wrote:
On Wed, Feb 17, 2010 at 13:17, Ernst Schwab wrote:
> The current run
On Wed, Feb 17, 2010 at 1:19 PM, Mike Frysinger wrote:
> On Wed, Feb 17, 2010 at 15:06, Grant Likely wrote:
>> On Wed, Feb 17, 2010 at 12:03 PM, Mike Frysinger wrote:
>>> On Wed, Feb 17, 2010 at 13:17, Ernst Schwab wrote:
The current runtime API looks like this:
spi_async(struct spi_devi
On Wed, Feb 17, 2010 at 15:06, Grant Likely wrote:
> On Wed, Feb 17, 2010 at 12:03 PM, Mike Frysinger wrote:
>> On Wed, Feb 17, 2010 at 13:17, Ernst Schwab wrote:
>>> The current runtime API looks like this:
>>> spi_async(struct spi_device*, struct spi_message*);
>>> spi_sync(struct spi_device*, st
On Wed, Feb 17, 2010 at 12:03 PM, Mike Frysinger wrote:
> On Wed, Feb 17, 2010 at 13:17, Ernst Schwab wrote:
>> The current runtime API looks like this:
>> spi_async(struct spi_device*, struct spi_message*);
>> spi_sync(struct spi_device*, struct spi_message*);
>>
>> The API needs to be extended t
On Wed, Feb 17, 2010 at 11:17 AM, Ernst Schwab wrote:
> From: Ernst Schwab
>
> SPI bus locking API to allow exclusive access to the SPI bus, especially, but
> not limited to, for the mmc_spi driver.
>
> Coded according to an outline from Grant Likely; here is his
> specification (accidentally swa
On Wed, Feb 17, 2010 at 13:17, Ernst Schwab wrote:
> The current runtime API looks like this:
> spi_async(struct spi_device*, struct spi_message*);
> spi_sync(struct spi_device*, struct spi_message*);
>
> The API needs to be extended to this:
> spi_async(struct spi_device*, struct spi_message*)
> s
From: Ernst Schwab
SPI bus locking API to allow exclusive access to the SPI bus, especially, but
not limited to, for the mmc_spi driver.
Coded according to an outline from Grant Likely; here is his
specification (accidentally swapped function names corrected):
It requires 3 things to be added t
