Re: [U-Boot] [PATCH v1 2/2] ppc4xx: Handle i2c stuck on combined xfer

2014-11-05 Thread Stefan Roese
On 29.10.2014 15:56, dirk.eib...@gdsys.cc wrote: From: Dirk Eibach ppc4xx i2c master gets stuck on errors while repeated start is active. Can be easily reproduced by "i2c md" on an unpopulated i2c address. There is not stop condition given, scl remains pulled low. The only way out seems to be d

Re: [U-Boot] [PATCH v1 2/2] ppc4xx: Handle i2c stuck on combined xfer

2014-10-29 Thread Dirk Eibach
Hello Heiko, >> +++ b/drivers/i2c/ppc4xx_i2c.c >> @@ -289,6 +289,27 @@ static int _i2c_transfer(struct i2c_adapter *adap, >> /* Transfer aborted? */ >> if (status& IIC_EXTSTS_XFRA) >> result = IIC_NOK_XFRA; >> +

Re: [U-Boot] [PATCH v1 2/2] ppc4xx: Handle i2c stuck on combined xfer

2014-10-29 Thread Heiko Schocher
Hello Dirk, Am 29.10.2014 15:56, schrieb dirk.eib...@gdsys.cc: From: Dirk Eibach ppc4xx i2c master gets stuck on errors while repeated start is active. Can be easily reproduced by "i2c md" on an unpopulated i2c address. There is not stop condition given, scl remains pulled low. The only way out

[U-Boot] [PATCH v1 2/2] ppc4xx: Handle i2c stuck on combined xfer

2014-10-29 Thread dirk . eibach
From: Dirk Eibach ppc4xx i2c master gets stuck on errors while repeated start is active. Can be easily reproduced by "i2c md" on an unpopulated i2c address. There is not stop condition given, scl remains pulled low. The only way out seems to be doing a stop manually and then a soft reset. Signed