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From: Wolfram Sang <wsa@kernel.org>
To: Yicong Yang <yangyicong@huawei.com>
Cc: linux-i2c@vger.kernel.org, chenweilong@huawei.com,
	f.fangjian@huawei.com, linuxarm@huawei.com,
	prime.zeng@huawei.com, yangyicong@hisilicon.com,
	Sheng Feng <fengsheng5@huawei.com>
Subject: Re: [PATCH 1/2] i2c: hisi: Avoid redundant interrupts
Date: Thu, 16 Mar 2023 21:06:45 +0100	[thread overview]
Message-ID: <ZBN21SDwqNo2GG+7@shikoro> (raw)
In-Reply-To: <20230313074552.54457-2-yangyicong@huawei.com>

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On Mon, Mar 13, 2023 at 03:45:51PM +0800, Yicong Yang wrote:
> From: Yicong Yang <yangyicong@hisilicon.com>
> 
> After issuing all the messages we can disable the TX_EMPTY interrupts
> to avoid handling redundant interrupts. For doing a sinlge bus
> detection (i2cdetect -y -r 0) we can reduce ~97% interrupts (before
> ~12000 after ~400).
> 
> Reported-by: Sheng Feng <fengsheng5@huawei.com>
> Signed-off-by: Sheng Feng <fengsheng5@huawei.com>
> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>

Applied to for-current, thanks!


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  reply	other threads:[~2023-03-16 20:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-13  7:45 [PATCH 0/2] Improvement and fix for HiSilicon I2C driver Yicong Yang
2023-03-13  7:45 ` [PATCH 1/2] i2c: hisi: Avoid redundant interrupts Yicong Yang
2023-03-16 20:06   ` Wolfram Sang [this message]
2023-03-13  7:45 ` [PATCH 2/2] i2c: hisi: Only use the completion interrupt to finish the transfer Yicong Yang
2023-03-16 20:06   ` Wolfram Sang

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