Eric Lee / smarc-fsl-linux-kernel

16 Jan, 2014

1 commit

  • d1ccc125f   i2c: pnx: Use devm_*() functions ... Browse Code »

    Use devm_*() functions to make cleanup paths simpler,
    and remove redundant return value check of platform_get_resource()
    because the value is checked by devm_ioremap_resource().

    Signed-off-by: Jingoo Han
    Signed-off-by: Wolfram Sang

    Jingoo Han
     

12 Sep, 2012

1 commit

  • c076ada4e   i2c: pnx: Fix read transactions of >= 2 bytes ... Browse Code »

    On transactions with n>=2 bytes, the controller actually wrongly clocks in n+1
    bytes. This is caused by the (wrong) assumption that RFE in the Status Register
    is 1 iff there is no byte already ordered (via a dummy TX byte). This lead to
    the implementation of synchronized byte ordering, e.g.:

    Dummy-TX - RX - Dummy-TX - RX - ...

    But since RFE actually stays high after some Dummy-TX, it rather looks like:

    Dummy-TX - Dummy-TX - RX - Dummy-TX - RX - (RX)

    The last RX byte is clocked in by the bus controller, but ignored by the kernel
    when filling the userspace buffer.

    This patch fixes the issue by asking for RX via Dummy-TX asynchronously.
    Introducing a separate counter for TX bytes.

    Signed-off-by: Roland Stigge
    Signed-off-by: Wolfram Sang

    Roland Stigge
     

22 Apr, 2012

2 commits

  • b41a216da   i2c: Add device tree support to i2c-pnx.c ... Browse Code »

    This patch adds device tree support to the pnx-i2c driver by using platform
    resources for memory region and irq and removing dependency on mach includes.

    The following platforms are affected:

    * PNX
    * LPC31xx (WIP)
    * LPC32xx

    The patch is based on a patch by Jon Smirl, working on lpc31xx integration

    Signed-off-by: Roland Stigge
    Signed-off-by: Wolfram Sang

    Roland Stigge
     
  • 1451ba3a5   i2c-pnx.c: Use resources in platforms ... Browse Code »

    As a precondition for device tree conversion, the platforms using i2c-pnx.c are
    converted to using mem and irq resources instead of platform data.

    Signed-off-by: Roland Stigge
    Reviewed-by: Arnd Bergmann
    Signed-off-by: Wolfram Sang

    Roland Stigge
     

13 Feb, 2010

6 commits

20 Nov, 2009

1 commit

08 Aug, 2008

1 commit

  • 2727f226a   [ARM] fix pnx4008 build errors ... Browse Code »

    include/linux/i2c-pnx.h was missed when moving the include files.
    Fix it now; it doesn't really need to include mach/i2c.h at all.
    Successfully build tested with pnx4008_defconfig, which had
    failed in linux-next.

    Signed-off-by: Russell King

    Russell King
     

11 Dec, 2006

1 commit

  • 41561f28e   i2c: New Philips PNX bus driver ... Browse Code »

    New I2C bus driver for Philips ARM boards (Philips IP3204 I2C IP
    block). This I2C controller can be found on (at least) PNX010x,
    PNX52xx and PNX4008 Philips boards.

    Signed-off-by: Vitaly Wool
    Signed-off-by: Jean Delvare

    Vitaly Wool