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From: Wolfram Sang <wsa@kernel.org>
To: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Cc: linux-i2c@vger.kernel.org, michal.simek@xilinx.com,
	git@xilinx.com,
	Raviteja Narayanam <raviteja.narayanam@xilinx.com>
Subject: Re: [PATCH 4/4] i2c: xiic: Fix Tx Interrupt path for grouped messages
Date: Sat, 14 May 2022 16:04:00 +0200	[thread overview]
Message-ID: <Yn+20DoaDKLKKM4D@shikoro> (raw)
In-Reply-To: <20220420075924.14546-5-shubhrajyoti.datta@xilinx.com>

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On Wed, Apr 20, 2022 at 01:29:24PM +0530, Shubhrajyoti Datta wrote:
> From: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
> 
> When a group of messages are sent from user space as a set, if
> the last message has less than Tx FIFO DEPTH number of bytes
> to transfer, Tx half empty interrupt is triggered continuously
> from the hardware. It is due to Bus not busy interrupt coming
> along with Tx half empty and tx empty.
> 
> Hence, service the Tx interrupts before Bus not busy interrupt
> to update the i2c message status correctly.
> 
> Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>

Applied to for-next, thanks!


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      parent reply	other threads:[~2022-05-14 14:04 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-20  7:59 [PATCH 0/4] i2c: xiic: misc fixes Shubhrajyoti Datta
2022-04-20  7:59 ` [PATCH 1/4] i2c-xiic: return value of xiic_reinit Shubhrajyoti Datta
2022-04-21  8:46   ` Michal Simek
2022-05-14 14:03   ` Wolfram Sang
2022-04-20  7:59 ` [PATCH 2/4] i2c: xiic: Fix coding style issues Shubhrajyoti Datta
2022-05-14 14:03   ` Wolfram Sang
2022-04-20  7:59 ` [PATCH 3/4] i2c: xiic: Correct the datatype for rx_watermark Shubhrajyoti Datta
2022-04-21  8:50   ` Michal Simek
2022-05-14 14:04     ` Wolfram Sang
2022-04-20  7:59 ` [PATCH 4/4] i2c: xiic: Fix Tx Interrupt path for grouped messages Shubhrajyoti Datta
2022-04-21  8:51   ` Michal Simek
2022-05-14 14:04   ` Wolfram Sang [this message]

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