Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4;
Message-ID: <b0af9e04bafb07e8a73e8f242a4ff556.sboyd@kernel.org>
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
In-Reply-To: <20231018070144.8512-1-zhangqing@rock-chips.com>
References: <20231018070144.8512-1-zhangqing@rock-chips.com>
Subject: Re: [PATCH v4 0/4] rockchip: add GATE_LINK
From:   Stephen Boyd <sboyd@kernel.org>
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-clk@vger.kernel.org, linux-rockchip@lists.infradead.org,
        linux-kernel@vger.kernel.org, huangtao@rock-chips.com,
        andy.yan@rock-chips.com
To:     conor+dt@kernel.org, heiko@sntech.de, kever.yang@rock-chips.com,
        krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com,
        robh+dt@kernel.org, zhangqing@rock-chips.com
Date:   Mon, 23 Oct 2023 18:47:17 -0700
User-Agent: alot/0.10
Precedence: bulk

Quoting Elaine Zhang (2023-10-18 00:01:40)
> Recent Rockchip SoCs have a new hardware block called Native Interface
> Unit (NIU), which gates clocks to devices behind them. These effectively
> need two parent clocks.
> Use GATE_LINK to handle this.

Why can't pm clks be used here? The qcom clk driver has been doing that
for some time now.=20

 $ git grep pm_clk_add -- drivers/clk/qcom/