Re: [PATCH 2/7] clk: qcom: Add Global Clock Controller driver for IPQ9574

From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Devi Priya <quic_devipriy@quicinc.com>,
	agross@kernel.org, andersson@kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com,
	sboyd@kernel.org, linus.walleij@linaro.org,
	catalin.marinas@arm.com, will@kernel.org, p.zabel@pengutronix.de,
	shawnguo@kernel.org, arnd@arndb.de, marcel.ziswiler@toradex.com,
	dmitry.baryshkov@linaro.org, nfraprado@collabora.com,
	broonie@kernel.org, tdas@codeaurora.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc: quic_srichara@quicinc.com, quic_gokulsri@quicinc.com,
	quic_sjaganat@quicinc.com, quic_kathirav@quicinc.com,
	quic_arajkuma@quicinc.com, quic_anusha@quicinc.com,
	quic_poovendh@quicinc.com
Subject: Re: [PATCH 2/7] clk: qcom: Add Global Clock Controller driver for IPQ9574
Date: Fri, 13 Jan 2023 15:09:02 +0100	[thread overview]
Message-ID: <9bdf757d-1fa0-106f-eb77-7f2a8593213f@linaro.org> (raw)
In-Reply-To: <afd2e5c8-fa5a-ac1f-4ede-4ab1f91c0d0d@quicinc.com>

On 13.01.2023 14:21, Devi Priya wrote:
> 
> 
> On 1/10/2023 6:07 PM, Konrad Dybcio wrote:
>>
>>
>> On 10.01.2023 13:13, devi priya wrote:
>>> Add Global Clock Controller (GCC) driver for ipq9574 based devices
>>>
>>> Co-developed-by: Anusha Rao <quic_anusha@quicinc.com>
>>> Signed-off-by: Anusha Rao <quic_anusha@quicinc.com>
>>> Signed-off-by: devi priya <quic_devipriy@quicinc.com>
>>> ---
[...]

>>> +static struct clk_branch gcc_blsp1_qup6_i2c_apps_clk = {
>>> +    .halt_reg = 0x07024,
>>> +    .clkr = {
>>> +        .enable_reg = 0x07024,
>>> +        .enable_mask = BIT(0),
>>> +        .hw.init = &(struct clk_init_data) {
>>> +            .name = "gcc_blsp1_qup6_i2c_apps_clk",
>>> +            .parent_hws = (const struct clk_hw *[]) {
>>> +                    &blsp1_qup6_i2c_apps_clk_src.clkr.hw },
>>> +            .num_parents = 1,
>>> +            .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
>> Sounds very much like a hack..
> Got it, will remove the clock entry as it is not being used in linux
I'm not sure removing it is the best option, somebody might have a
funky board where they use this particular QUP for I2C for whatever
reason and then the clock would have to be re-added..

Thanks for addressing all of the review comments so thoroughly!

Konrad