[PATCH v2 1/3] spi: introduce max_message_size hook in spi_master

Mark Brown broonie at kernel.org
Thu Aug 18 03:17:00 PDT 2016


On Wed, Aug 17, 2016 at 09:08:01PM +0200, Heiner Kallweit wrote:
> Recently a maximum transfer size was was introduced in struct spi_master.
> However there are also spi controllers with a maximum message size, e.g.
> fsl-espi has a max message size of 64KB.
> Introduce a hook max_message_size to deal with such limitations.

This can be pulled as:

The following changes since commit 29b4817d4018df78086157ea3a55c1d9424a7cfc:

  Linux 4.8-rc1 (2016-08-07 18:18:00 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-max-msg-size

for you to fetch changes up to 5090cc6ae2f79ee779e5faf7c8a28edf42b7d738:

  spi: introduce max_message_size hook in spi_master (2016-08-18 11:14:48 +0100)

----------------------------------------------------------------
spi: Add a maximum message size operation

Some controllers handle entire messages themselves and have limits on
the maximum message size, provide a way for clients to query this.

----------------------------------------------------------------
Heiner Kallweit (1):
      spi: introduce max_message_size hook in spi_master

 include/linux/spi/spi.h | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)
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