linux-kernel - Re: [PATCH 1/4] spi: lantiq: Synchronize interrupt handlers and transfers

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Message-ID: <fce0b146-9ffc-839f-d34a-cb37206a0699@linux.intel.com>
Date:   Wed, 6 May 2020 15:40:15 +0800
From:   Dilip Kota <eswara.kota@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Daniel Schwierzeck <daniel.schwierzeck@...il.com>, robh@...nel.org,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, hauke@...ke-m.de,
        andriy.shevchenko@...el.com, cheol.yong.kim@...el.com,
        chuanhua.lei@...ux.intel.com, qi-ming.wu@...el.com
Subject: Re: [PATCH 1/4] spi: lantiq: Synchronize interrupt handlers and
 transfers


On 5/5/2020 7:23 PM, Mark Brown wrote:
> On Mon, May 04, 2020 at 06:15:47PM +0800, Dilip Kota wrote:
>> On 4/29/2020 8:13 PM, Mark Brown wrote:
>
>> I just tried to get the history of removing workqueue in SPI driver, on
>> GRX500 (earlier chipset of LGM) the SPI transfers got timedout with
>> workqueues during regression testing. Once changed to threaded IRQs
>> transfers are working successfully.
> That doesn't really explain why though, it just explains what.
I didnt find more information about it. I will work to reproduce the 
issue and share the detailed information sooner i get the accessibility 
of the SoC (because of covid19 doing wfh)

Regards,
Dilip