[PATCH v6 0/5] i2c: npcm: Bug fixes timeout, spurious interrupts

Andy Shevchenko andriy.shevchenko at linux.intel.com
Thu May 26 03:08:28 AEST 2022


On Wed, May 25, 2022 at 11:23:36AM +0800, Tyrone Ting wrote:
> From: Tyrone Ting <kfting at nuvoton.com>
> 
> This patchset includes the following fixes:
> 
> - Add dt-bindings description for NPCM845.
> - Bug fix for timeout calculation.
> - Better handling of spurious interrupts.
> - Fix for event type in slave mode.
> - Removal of own slave addresses [2:10].
> - Support for next gen BMC (NPCM845).
> 
> The NPCM I2C driver is tested on NPCM750 and NPCM845 evaluation boards.

LGTM,
Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

> Addressed comments from:
>  - Wolfram Sang : https://lkml.org/lkml/2022/5/21/51
> 
> Changes since version 5:
>  - Shorten npcm_i2caddr array since the number of supported i2c slave
>    addresses is reduced.
>  - Create a new patch from the original PATCH v5 08/10 to modify the slave
>    transaction logic.
> 
> Changes since version 4:
>  - Remove quotes around ref handle to nuvoton,sys-mgr in i2c binding
>    document.
>  - Keep the "longer line first" order.
>  - Correct the SoB chain.
>  - Modify the if statement in one line and add new line characters.
>  - Modify the commit message format in the patch Remove own slave
>    addresses 2:10. Correct the if statement in one line and shorten the
>    debug messages.
>  - Create a new patch to capitalize the one-line comment in the driver.
> 
> Changes since version 3:
>  - Correct the const format in if condition in i2c binding document.
>  - Add the oops message statement and register information in register
>    access width patch.
>  - Add the occurring rate of the i2c spurious interrupt issue and more
>    details in driver's behavior to overcome this issue.
>  - Address Andy's comments in the patch to support NPCM845.
>  
> Changes since version 2:
>  - Keep old code as fallback, if getting nuvoton,sys-mgr property fails.
>  - Fix the error reported by running 'make DT_CHECKER_FLAGS=-m 
>    dt_binding_check'.
>  - Make nuvoton,sys-mgr required for nuvoton,npcm845-i2c.
>  - Correct the patch's subject about changing the way of getting GCR
>    regmap and add the description about keeping old code as fallback
>    if getting nuvoton,sys-mgr property fails.
>  - Correct the patch title and description about removing the unused 
>    variable clk_regmap.
>  - Use the data field directly instead of the macros since macros are
>    not constants anymore in this patch.
>  
> Changes since version 1:
>  - Add nuvoton,sys-mgr property in NPCM devicetree.
>  - Describe the commit message in imperative mood.
>  - Modify the description in i2c binding document to cover NPCM series.
>  - Add new property in i2c binding document.
>  - Create a new patch for client address calculation.
>  - Create a new patch for updating gcr property name.
>  - Create a new patch for removing unused clock node.
>  - Explain EOB in the commit description.
>  - Create a new patch for correcting NPCM register access width.
>  - Remove some comment since the corresponding logic no longer exists.
>  - Remove fixes tag while the patch adds an additional feature.
>  - Use devicetree data field to support NPCM845.
> 
> Tali Perry (2):
>   i2c: npcm: Remove own slave addresses 2:10
>   i2c: npcm: Correct slave role behavior
> 
> Tyrone Ting (3):
>   dt-bindings: i2c: npcm: support NPCM845
>   i2c: npcm: Support NPCM845
>   i2c: npcm: Capitalize the one-line comment
> 
>  .../bindings/i2c/nuvoton,npcm7xx-i2c.yaml     |  25 ++-
>  drivers/i2c/busses/Kconfig                    |   8 +-
>  drivers/i2c/busses/Makefile                   |   2 +-
>  drivers/i2c/busses/i2c-npcm7xx.c              | 176 ++++++++++--------
>  4 files changed, 124 insertions(+), 87 deletions(-)
> 
> -- 
> 2.17.1
> 

-- 
With Best Regards,
Andy Shevchenko




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