From: Wolfram Sang <wsa@the-dreams.de>
To: Qii Wang <qii.wang@mediatek.com>
Cc: matthias.bgg@gmail.com, linux-i2c@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
srv_heupstream@mediatek.com, leilk.liu@mediatek.com
Subject: Re: [PATCH 3/3] i2c: mediatek: Use scl_int_delay_ns to compensate clock-stretching
Date: Sat, 17 Apr 2021 22:09:23 +0200 [thread overview]
Message-ID: <20210417200923.GD9996@kunai> (raw)
In-Reply-To: <1618642012-10444-4-git-send-email-qii.wang@mediatek.com>
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On Sat, Apr 17, 2021 at 02:46:52PM +0800, Qii Wang wrote:
> The parameters of tSU,STA/tHD,STA/tSU,STOP maybe out of spec due
> to device clock-stretch or circuit loss, we could get a suitable
> scl_int_delay_ns from i2c_timings to compensate these parameters
> to meet the spec via EXT_CONF register.
>
> Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Applied to for-next, thanks!
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Qii Wang <qii.wang@mediatek.com>
Cc: matthias.bgg@gmail.com, linux-i2c@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
srv_heupstream@mediatek.com, leilk.liu@mediatek.com
Subject: Re: [PATCH 3/3] i2c: mediatek: Use scl_int_delay_ns to compensate clock-stretching
Date: Sat, 17 Apr 2021 22:09:23 +0200 [thread overview]
Message-ID: <20210417200923.GD9996@kunai> (raw)
In-Reply-To: <1618642012-10444-4-git-send-email-qii.wang@mediatek.com>
[-- Attachment #1.1: Type: text/plain, Size: 395 bytes --]
On Sat, Apr 17, 2021 at 02:46:52PM +0800, Qii Wang wrote:
> The parameters of tSU,STA/tHD,STA/tSU,STOP maybe out of spec due
> to device clock-stretch or circuit loss, we could get a suitable
> scl_int_delay_ns from i2c_timings to compensate these parameters
> to meet the spec via EXT_CONF register.
>
> Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Applied to for-next, thanks!
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http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Qii Wang <qii.wang@mediatek.com>
Cc: matthias.bgg@gmail.com, linux-i2c@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
srv_heupstream@mediatek.com, leilk.liu@mediatek.com
Subject: Re: [PATCH 3/3] i2c: mediatek: Use scl_int_delay_ns to compensate clock-stretching
Date: Sat, 17 Apr 2021 22:09:23 +0200 [thread overview]
Message-ID: <20210417200923.GD9996@kunai> (raw)
In-Reply-To: <1618642012-10444-4-git-send-email-qii.wang@mediatek.com>
[-- Attachment #1.1: Type: text/plain, Size: 395 bytes --]
On Sat, Apr 17, 2021 at 02:46:52PM +0800, Qii Wang wrote:
> The parameters of tSU,STA/tHD,STA/tSU,STOP maybe out of spec due
> to device clock-stretch or circuit loss, we could get a suitable
> scl_int_delay_ns from i2c_timings to compensate these parameters
> to meet the spec via EXT_CONF register.
>
> Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Applied to for-next, thanks!
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_______________________________________________
linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-04-17 20:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-17 6:46 [PATCH 0/3] Add some fix patches Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 6:46 ` [PATCH 1/3] i2c: mediatek: Fix send master code at more than 1MHz Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 20:06 ` Wolfram Sang
2021-04-17 20:06 ` Wolfram Sang
2021-04-17 20:06 ` Wolfram Sang
2021-04-17 6:46 ` [PATCH 2/3] i2c: mediatek: Fix wrong dma sync flag Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 20:07 ` Wolfram Sang
2021-04-17 20:07 ` Wolfram Sang
2021-04-17 20:07 ` Wolfram Sang
2021-04-17 6:46 ` [PATCH 3/3] i2c: mediatek: Use scl_int_delay_ns to compensate clock-stretching Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 6:46 ` Qii Wang
2021-04-17 20:09 ` Wolfram Sang [this message]
2021-04-17 20:09 ` Wolfram Sang
2021-04-17 20:09 ` Wolfram Sang
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