From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-i2c@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org,
Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Subject: Re: [PATCH 1/4] i2c: rcar: faster irq code to minimize HW race condition
Date: Tue, 5 Jan 2021 16:35:24 +0100 [thread overview]
Message-ID: <20210105153524.GC1842@ninjato> (raw)
In-Reply-To: <20201223172154.34462-2-wsa+renesas@sang-engineering.com>
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On Wed, Dec 23, 2020 at 06:21:51PM +0100, Wolfram Sang wrote:
> To avoid the HW race condition on R-Car Gen2 and earlier, we need to
> write to ICMCR as soon as possible in the interrupt handler. We can
> improve this by writing a static value instead of masking out bits.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Applied to for-next, thanks!
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next prev parent reply other threads:[~2021-01-05 15:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-23 17:21 [PATCH 0/4] i2c: rcar: handle Gen2 and Gen3 V3U quirks better Wolfram Sang
2020-12-23 17:21 ` [PATCH 1/4] i2c: rcar: faster irq code to minimize HW race condition Wolfram Sang
2021-01-05 15:35 ` Wolfram Sang [this message]
2020-12-23 17:21 ` [PATCH 2/4] i2c: rcar: optimize cacheline " Wolfram Sang
2020-12-28 12:52 ` Geert Uytterhoeven
2020-12-28 12:55 ` Wolfram Sang
2021-01-05 15:35 ` Wolfram Sang
2020-12-23 17:21 ` [PATCH 3/4] i2c: rcar: make sure irq is not threaded on Gen2 and earlier Wolfram Sang
2021-01-05 15:35 ` Wolfram Sang
2020-12-23 17:21 ` [PATCH 4/4] i2c: rcar: protect against supurious interrupts on V3U Wolfram Sang
2020-12-28 13:37 ` Geert Uytterhoeven
2020-12-28 14:46 ` Wolfram Sang
2021-01-05 15:35 ` Wolfram Sang
2020-12-27 14:20 ` [PATCH 0/4] i2c: rcar: handle Gen2 and Gen3 V3U quirks better Niklas Söderlund
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