Hi Wolfram,
> Thanks for the detailed explanation! Okay, then what you do looks
> correct to me (from a high level perspective without really knowing the
> HW): when RX is full, you first send the state WRITE_REQUESTED when
> there is no other transfer on-going. Then you send WRITE_RECEIVED
> imme
Michael.Wu(吳忠益) would like to recall the message, "[PATCH 2/2] i2c: designware:
slave should do WRITE_REQUESTED before WRITE_RECEIVED".
Hi Wolfram,
> > dev->status can be used to record the current state, especially Designware
> > I2C controller has no interrupts to identify a write-request. This patch
>
> Just double-checking: the designware HW does not raise an interrupt when
> its own address + RW bit has been received?
Not e
Hi,
> On 10/23/20 8:40 AM, Michael Wu wrote:
> > If some bits were cleared by i2c_dw_read_clear_intrbits_slave() in
> > i2c_dw_isr_slave() and not handled immediately, those cleared bits would
> > not be shown again by later i2c_dw_read_clear_intrbits_slave(). They
> > therefore were forgotten to
Michael.Wu(吳忠益) would like to recall the message, "[PATCH 2/2] i2c: designware:
slave should do WRITE_REQUESTED before WRITE_RECEIVED".
Michael.Wu(吳忠益) would like to recall the message, "[PATCH 1/2] i2c: designware:
call i2c_dw_read_clear_intrbits_slave() once".
On 10/14/20 6:53 PM, jarkko.nik...@linux.intel.com wrote:
> Thanks for the patch. I was thinking this too after your report but
> haven't found actually time to look at implementing it.
>
> But what I was thinking it is probably good to have two patches. First
> patch that changes only i2c_dw_read
On 10/14/20 4:53 PM, andriy.shevche...@linux.intel.com wrote:
>
> Wondering if you compile this at all...
I'm very sorry that I did not compile it because I only have ARM SoC with my
linux 4.9.170, but I've verified the logic of this patch in my linux.
I'll correct these two syntax errors in ne
: Friday, July 05, 2019 5:33 PM
To: Michael.Wu(吳忠益)
Cc: Linus Walleij; linux-gpio; LKML; mvp.kut...@gmail.com
Subject: Re: [PATCH] gpiolib: fix incorrect IRQ requesting of an active-low
lineevent
pt., 5 lip 2019 o 11:30 Michael Wu napisał(a):
>
> When a pin is active-low, logical trigger edg
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