From: Johan Hovold <johan@kernel.org>
To: Stephen Boyd <sboyd@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Johan Hovold <johan+linaro@kernel.org>,
Andy Gross <agross@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org, quic_tdas@quicinc.com,
quic_rnayak@quicinc.com
Subject: Re: [PATCH 0/3] clk: qcom: gdsc: add support for collapse-vote registers
Date: Mon, 23 May 2022 11:32:50 +0200 [thread overview]
Message-ID: <YotUwhIrwlSXH6Ak@hovoldconsulting.com> (raw)
In-Reply-To: <20220521035111.A94B7C385A9@smtp.kernel.org>
On Fri, May 20, 2022 at 08:51:09PM -0700, Stephen Boyd wrote:
> Please add Qualcomm on code for their hardware :)
>
> I did a translation from codeaurora but I don't know if Rajendra's will
> work.
These addresses need to be added to .mailmap.
> Quoting Johan Hovold (2022-05-20 03:09:45)
> > Recent Qualcomm platforms have APCS collapse-vote registers that allow
> > for sharing GDSCs with other masters (e.g. LPASS).
>
> How is it different from the voting logic that already exists in the
> gdsc file? Now every subsystem has to vote for off in addition to voting
> for on?
No, the voting logic is unchanged (i.e. enabling by clearing a collapse
bit).
The difference is just that a separate register register is used for the
voting.
> >
> > Add support for using such vote registers instead of the control
> > register when updating the GDSC power state.
Johan
next prev parent reply other threads:[~2022-05-23 9:33 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-20 10:09 [PATCH 0/3] clk: qcom: gdsc: add support for collapse-vote registers Johan Hovold
2022-05-20 10:09 ` [PATCH 1/3] clk: qcom: gdsc: add collapse-bit helper Johan Hovold
2022-05-20 11:50 ` Dmitry Baryshkov
2022-05-20 12:03 ` Johan Hovold
2022-05-20 10:09 ` [PATCH 2/3] clk: qcom: gdsc: add support for collapse-vote registers Johan Hovold
2022-05-21 3:52 ` Stephen Boyd
2022-05-23 12:04 ` Johan Hovold
2022-05-26 18:32 ` Stephen Boyd
2022-06-09 11:50 ` Johan Hovold
2022-05-20 10:09 ` [PATCH 3/3] clk: qcom: gcc-sc8280xp: use collapse-voting for PCIe GDSCs Johan Hovold
2022-05-21 3:51 ` [PATCH 0/3] clk: qcom: gdsc: add support for collapse-vote registers Stephen Boyd
2022-05-23 9:32 ` Johan Hovold [this message]
2022-05-26 18:33 ` Stephen Boyd
2022-06-23 11:44 ` Johan Hovold
2022-06-27 20:02 ` Bjorn Andersson
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