Re: [PATCH v2 RESEND] i2c: (algo-pca) Fix chip reset function for PCA9665

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Sep 20, 2012 at 08:20:46PM -0700, Guenter Roeck wrote:
> From: Thomas Kavanagh <tkavanagh@xxxxxxxxxxx>
> 
> The parameter passed to pca9665_reset is adap->data (which is bus driver
> specific), not i2c_algp_pca_data *adap. pca9665_reset expects it to be
> i2c_algp_pca_data *adap. All other wrappers from the algo call back to
> the bus driver, which knows to handle its custom data. Only pca9665_reset
> resides inside the algorithm code and does not know how to handle a custom
> data structure. This can result in a kernel crash.
> 
> Fix by re-factoring pca_reset() from a macro to a function handling chip
> specific code, and only call adap->reset_chip() if the chip is not PCA9665.
> 
> Cc: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
> Signed-off-by: Thomas Kavanagh <tkavanagh@xxxxxxxxxxx>
> Signed-off-by: Guenter Roeck <groeck@xxxxxxxxxxx>

Applied to next, thanks!

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

Attachment: signature.asc
Description: Digital signature


[Index of Archives]     [Linux GPIO]     [Linux SPI]     [Linux Hardward Monitoring]     [LM Sensors]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux