Re: [PATCH v7 0/4] st33zp24 new architecture proposal and st33zp24 spi driver

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Hi Peter,

Any news on this patchset ?

Best Regards
Christophe
Le 01/02/2015 22:36, Christophe Ricard a écrit :
Hi,

The following patchset:
- propose a new architecture allowing to share a core st33zp24 data management
layer with different phy (i2c & spi). For st33zp24 both phy have a proprietary transport
protocol. Both are relying on the TCG TIS protocol. At the end, it simplifies the maintenance.
- Add an spi phy allowing to support st33zp24 using with an SPI bus.

The complete solution got tested in polling and interrupt mode successfully with i2c & spi phy.
This patchset applies on top of Peter's tree https://github.com/PeterHuewe/linux-tpmdd.git for-james branch
on top of:
d4989d9f693b9502f9288da5db279c2f8c2e50be tpm/tpm_tis: Add missing ifdef CONFIG_ACPI for pnp_acpi_device

I confirm also Jarkko Sakkinen's changes are working with this product with both phy's.

- v2 takes into account feedbacks from Jason Gunthorpe.
- v3 is reduced to 4 patches as 6 out of 10 got accepted for 3.20. Also compare to v2:
         * Fix build issue with patch v2 04/10 "Replace access to io_lpcpd from struct st33zp24_platform_data to tpm_stm_dev"
         * Fix link issue with patch v2 08/10 "Split tpm_i2c_tpm_st33 in 2 layers (core + phy)" when building as a module.
         The symbols wasn't exported in st33zp24.c.
         * Add missing MODULE_LICENSE in patch v2 09/10 "Add st33zp24 spi phy"
         * Fix node example in dts spi documentation in patch v2 10/10 "Add dts documentation for st33zp24 spi phy"
         * Fix typo on Jason Gunthorpe first name. Sorry for that :(...
         * Change contact email address as tpmsupport@xxxxxx is no more valid
- v4 adds missing module_license in st33zp24
- v5 includes as best as possible PeterHuewe comments.
- v6 is more explicit about the spi buffer size and remove their buffer (tx_buf/rx_buf) dynamic allocation
- v7 fix scripts/checkpatch.pl error

Best Regards
Christophe

Christophe Ricard (4):
   tpm/tpm_i2c_stm_st33: Replace access to io_lpcpd from struct
     st33zp24_platform_data to tpm_stm_dev
   tpm/tpm_i2c_stm_st33: Split tpm_i2c_tpm_st33 in 2 layers (core + phy)
   tpm/st33zp24/spi: Add st33zp24 spi phy
   tpm/st33zp24/dts/st33zp24-spi: Add dts documentation for st33zp24 spi
     phy

  .../bindings/security/tpm/st33zp24-spi.txt         |  34 +
  drivers/char/tpm/Kconfig                           |  11 +-
  drivers/char/tpm/Makefile                          |   2 +-
  drivers/char/tpm/st33zp24/Kconfig                  |  30 +
  drivers/char/tpm/st33zp24/Makefile                 |  12 +
  drivers/char/tpm/st33zp24/i2c.c                    | 276 +++++++
  drivers/char/tpm/st33zp24/spi.c                    | 392 +++++++++
  drivers/char/tpm/st33zp24/st33zp24.c               | 688 ++++++++++++++++
  drivers/char/tpm/st33zp24/st33zp24.h               |  37 +
  drivers/char/tpm/tpm_i2c_stm_st33.c                | 911 ---------------------
  include/linux/platform_data/st33zp24.h             |  28 +
  include/linux/platform_data/tpm_stm_st33.h         |  39 -
  12 files changed, 1499 insertions(+), 961 deletions(-)
  create mode 100644 Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt
  create mode 100644 drivers/char/tpm/st33zp24/Kconfig
  create mode 100644 drivers/char/tpm/st33zp24/Makefile
  create mode 100644 drivers/char/tpm/st33zp24/i2c.c
  create mode 100644 drivers/char/tpm/st33zp24/spi.c
  create mode 100644 drivers/char/tpm/st33zp24/st33zp24.c
  create mode 100644 drivers/char/tpm/st33zp24/st33zp24.h
  delete mode 100644 drivers/char/tpm/tpm_i2c_stm_st33.c
  create mode 100644 include/linux/platform_data/st33zp24.h
  delete mode 100644 include/linux/platform_data/tpm_stm_st33.h


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