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 dirk.eib...@gdsys.cc 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

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

2014-10-30 Thread Heiko Schocher
Hello Dirk, Am 29.10.2014 15:56, schrieb dirk.eib...@gdsys.cc: From: Dirk Eibachdirk.eib...@gdsys.cc 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

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

2014-10-30 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; +

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

2014-10-29 Thread dirk . eibach
From: Dirk Eibach dirk.eib...@gdsys.cc 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