Rao; Jean Delvare;
> Peter Korsgaard; linux-...@vger.kernel.org; Richard Röjfors; Steven A. Falco
> Subject: Re: [PATCH v2 2/3] i2c: xilinx: Set tx direction in write operation
>
> On 10/04/2013 03:38 PM, Lars-Peter Clausen wrote:
> > On 10/04/2013 03:09 PM, Michal Simek wrote:
> &g
On 10/04/2013 03:38 PM, Lars-Peter Clausen wrote:
> On 10/04/2013 03:09 PM, Michal Simek wrote:
>>
>>
>> On 10/04/2013 02:12 PM, Lars-Peter Clausen wrote:
>>> On 10/04/2013 01:55 PM, Wolfram Sang wrote:
On Fri, Oct 04, 2013 at 11:53:49AM +0200, Michal Simek wrote:
> On 10/04/2013 07:46 AM,
On 10/04/2013 03:09 PM, Michal Simek wrote:
>
>
> On 10/04/2013 02:12 PM, Lars-Peter Clausen wrote:
>> On 10/04/2013 01:55 PM, Wolfram Sang wrote:
>>> On Fri, Oct 04, 2013 at 11:53:49AM +0200, Michal Simek wrote:
On 10/04/2013 07:46 AM, Wolfram Sang wrote:
>
>> +cr = xiic_get
On 10/04/2013 02:12 PM, Lars-Peter Clausen wrote:
> On 10/04/2013 01:55 PM, Wolfram Sang wrote:
>> On Fri, Oct 04, 2013 at 11:53:49AM +0200, Michal Simek wrote:
>>> On 10/04/2013 07:46 AM, Wolfram Sang wrote:
> + cr = xiic_getreg32(i2c, XIIC_CR_REG_OFFSET);
> + cr |= XIIC_CR_DIR_IS_T
On 10/04/2013 01:55 PM, Wolfram Sang wrote:
> On Fri, Oct 04, 2013 at 11:53:49AM +0200, Michal Simek wrote:
>> On 10/04/2013 07:46 AM, Wolfram Sang wrote:
>>>
+ cr = xiic_getreg32(i2c, XIIC_CR_REG_OFFSET);
+ cr |= XIIC_CR_DIR_IS_TX_MASK;
+ xiic_setreg32(i2c, XIIC_CR_REG_OFFSET, cr
On Fri, Oct 04, 2013 at 11:53:49AM +0200, Michal Simek wrote:
> On 10/04/2013 07:46 AM, Wolfram Sang wrote:
> >
> >> + cr = xiic_getreg32(i2c, XIIC_CR_REG_OFFSET);
> >> + cr |= XIIC_CR_DIR_IS_TX_MASK;
> >> + xiic_setreg32(i2c, XIIC_CR_REG_OFFSET, cr);
> >> +
> >
> > Is there no need to clear t
On 10/04/2013 07:46 AM, Wolfram Sang wrote:
>
>> +cr = xiic_getreg32(i2c, XIIC_CR_REG_OFFSET);
>> +cr |= XIIC_CR_DIR_IS_TX_MASK;
>> +xiic_setreg32(i2c, XIIC_CR_REG_OFFSET, cr);
>> +
>
> Is there no need to clear the bit again when receiving?
This bit is cleared in xiic_xfer() -> xiic
> + cr = xiic_getreg32(i2c, XIIC_CR_REG_OFFSET);
> + cr |= XIIC_CR_DIR_IS_TX_MASK;
> + xiic_setreg32(i2c, XIIC_CR_REG_OFFSET, cr);
> +
Is there no need to clear the bit again when receiving? And did
transferring ever work if this bit was never set before?
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