public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Konrad Dybcio <konradybcio@kernel.org>
To: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>,
	konrad.dybcio@linaro.org, andersson@kernel.org,
	andi.shyti@kernel.org, linux-arm-msm@vger.kernel.org,
	dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-i2c@vger.kernel.org, conor+dt@kernel.org,
	agross@kernel.org, devicetree@vger.kernel.org, vkoul@kernel.org,
	linux@treblig.org, dan.carpenter@linaro.org, Frank.Li@nxp.com,
	konradybcio@kernel.org
Cc: quic_vdadhani@quicinc.com
Subject: Re: [PATCH v2 3/4] soc: qcom: geni-se: Export function geni_se_clks_off()
Date: Mon, 9 Sep 2024 13:35:13 +0200	[thread overview]
Message-ID: <bbdd95e3-9090-4952-beb5-ad52f2a3dcae@kernel.org> (raw)
In-Reply-To: <20240906191438.4104329-4-quic_msavaliy@quicinc.com>

On 6.09.2024 9:14 PM, Mukesh Kumar Savaliya wrote:
> Currently the driver provides a function called geni_serial_resources_off()
> to turn off resources like clocks and  pinctrl. We don't have a function to
> control clocks separately hence, export the function geni_se_clks_off() to
> turn off clocks separately without disturbing GPIO.
> 
> Client drivers like I2C require this function for use-cases where the I2C
> SE is shared between two subsystems.
> 
> Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
> ---

Well, i2c is probably not the only type of client you'll want
to share and the current approach requires changes in all protocol
drivers.

How about adding a parameter like `bool shared_se` to
geni_se_resources_off() and changing the pinctrl state conditionally?

Konrad

  reply	other threads:[~2024-09-09 11:35 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-06 19:14 [PATCH v2 0/4] Enable shared SE support over I2C Mukesh Kumar Savaliya
2024-09-06 19:14 ` [PATCH v2 1/4] dt-bindindgs: i2c: qcom,i2c-geni: Document shared flag Mukesh Kumar Savaliya
2024-09-07  9:04   ` Krzysztof Kozlowski
2024-09-10  9:09     ` Mukesh Kumar Savaliya
2024-09-10  9:54       ` Krzysztof Kozlowski
2024-09-10 13:44         ` Mukesh Kumar Savaliya
2024-09-06 19:14 ` [PATCH v2 2/4] dma: gpi: Add Lock and Unlock TRE support to access SE exclusively Mukesh Kumar Savaliya
2024-09-06 19:14 ` [PATCH v2 3/4] soc: qcom: geni-se: Export function geni_se_clks_off() Mukesh Kumar Savaliya
2024-09-09 11:35   ` Konrad Dybcio [this message]
2024-09-10  9:11     ` Mukesh Kumar Savaliya
2024-09-06 19:14 ` [PATCH v2 4/4] i2c: i2c-qcom-geni: Enable i2c controller sharing between two subsystems Mukesh Kumar Savaliya
2024-09-07  7:56   ` Andi Shyti
2024-09-10 13:42     ` Mukesh Kumar Savaliya
2024-09-09  8:54   ` neil.armstrong
2024-09-09  9:18     ` Mukesh Kumar Savaliya
2024-09-09 11:37       ` Konrad Dybcio
2024-09-09 12:53         ` Andi Shyti
2024-09-10 13:39           ` Mukesh Kumar Savaliya
2024-09-10  9:12         ` Mukesh Kumar Savaliya
2024-09-09 13:04       ` neil.armstrong
2024-09-10  9:15         ` Mukesh Kumar Savaliya
2024-09-10  9:52           ` neil.armstrong
2024-09-18 12:20             ` Mukesh Kumar Savaliya
2024-09-10  9:12     ` Mukesh Kumar Savaliya

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=bbdd95e3-9090-4952-beb5-ad52f2a3dcae@kernel.org \
    --to=konradybcio@kernel.org \
    --cc=Frank.Li@nxp.com \
    --cc=agross@kernel.org \
    --cc=andersson@kernel.org \
    --cc=andi.shyti@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=dan.carpenter@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=dmaengine@vger.kernel.org \
    --cc=konrad.dybcio@linaro.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-i2c@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@treblig.org \
    --cc=quic_msavaliy@quicinc.com \
    --cc=quic_vdadhani@quicinc.com \
    --cc=vkoul@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox