From: Lee Jones <lee.jones@linaro.org>
To: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: linux-kernel@vger.kernel.org, patches@opensource.cirrus.com
Subject: Re: [PATCH RESEND 2/2] mfd: madera: Add special errata reset handling for cs47l15
Date: Wed, 4 Nov 2020 15:42:04 +0000 [thread overview]
Message-ID: <20201104154204.GP4488@dell> (raw)
In-Reply-To: <20201027094132.16472-2-ckeepax@opensource.cirrus.com>
On Tue, 27 Oct 2020, Charles Keepax wrote:
> An errata exists for cs47l15 where the reset must be handled
> differently and removed before DCVDD is applied. A soft reset is used
> for situations where a reset is required to reset state. This does
> however, make this part unsuitable for DCVDD supplies with a rise time
> greater than 2mS.
>
> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
> ---
> drivers/mfd/madera-core.c | 25 ++++++++++++++++++++-----
> include/linux/mfd/madera/core.h | 1 +
> 2 files changed, 21 insertions(+), 5 deletions(-)
Applied, thanks.
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2020-11-04 15:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 9:41 [PATCH RESEND 1/2] mfd: madera: Add reset as part of resume Charles Keepax
2020-10-27 9:41 ` [PATCH RESEND 2/2] mfd: madera: Add special errata reset handling for cs47l15 Charles Keepax
2020-11-04 15:42 ` Lee Jones [this message]
2020-11-04 15:40 ` [PATCH RESEND 1/2] mfd: madera: Add reset as part of resume Lee Jones
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