From: Jonathan Cameron <jic23@kernel.org>
To: Caleb Connolly <caleb.connolly@linaro.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Lee Jones <lee.jones@linaro.org>, Stephen Boyd <sboyd@kernel.org>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
Jami Kettunen <jami.kettunen@somainline.org>,
Sumit Semwal <sumit.semwal@linaro.org>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Subject: Re: [PATCH v14 02/10] mfd: qcom-spmi-pmic: expose the PMIC revid information to clients
Date: Sun, 1 May 2022 18:28:29 +0100 [thread overview]
Message-ID: <20220501182829.1edc181f@jic23-huawei> (raw)
In-Reply-To: <20220429220904.137297-3-caleb.connolly@linaro.org>
On Fri, 29 Apr 2022 23:08:57 +0100
Caleb Connolly <caleb.connolly@linaro.org> wrote:
> Some PMIC functions such as the RRADC need to be aware of the PMIC
> chip revision information to implement errata or otherwise adjust
> behaviour, export the PMIC information to enable this.
>
> This is specifically required to enable the RRADC to adjust
> coefficients based on which chip fab the PMIC was produced in,
> this can vary per unique device and therefore has to be read at
> runtime.
>
> Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
...
> +/**
> + * qcom_pmic_get() - Get a pointer to the base PMIC device
> + *
> + * This function takes a struct device for a driver which is a child of a PMIC.
> + * And locates the PMIC revision information for it.
> + *
> + * @dev: the pmic function device
> + * @return: the struct qcom_spmi_pmic* pointer associated with the function device
> + */
> +inline const struct qcom_spmi_pmic *qcom_pmic_get(struct device *dev)
> +{
> + struct spmi_device *sdev;
> + struct qcom_spmi_dev *spmi;
> +
> + /*
> + * Make sure the device is actually a child of a PMIC
> + */
> + if (!of_match_device(pmic_spmi_id_table, dev->parent))
> + return ERR_PTR(-EINVAL);
> +
> + sdev = qcom_pmic_get_base_usid(dev->parent);
>
> - if (subtype == PM8110_SUBTYPE)
> - minor = rev2;
> + if (IS_ERR(sdev))
> + return ERR_CAST(sdev);
>
> - dev_dbg(dev, "%x: %s v%d.%d\n", subtype, name, major, minor);
> + spmi = (struct qcom_spmi_dev *)dev_get_drvdata(&sdev->dev);
Shouldn't need the cast as dev_get_drvdata() returns void * and you can
implicitly cast that to any other pointer type.
If this is all that comes up in the series I can fixup whilst applying.
Jonathan
> +
> + return &spmi->pmic;
> }
> +EXPORT_SYMBOL(qcom_pmic_get);
>
next prev parent reply other threads:[~2022-05-01 17:20 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-29 22:08 [PATCH v14 00/10] iio: adc: introduce Qualcomm SPMI Round Robin ADC Caleb Connolly
2022-04-29 22:08 ` [PATCH v14 01/10] spmi: add a helper to look up an SPMI device from a device node Caleb Connolly
2022-05-01 17:23 ` Jonathan Cameron
2022-06-04 16:29 ` Jonathan Cameron
2022-06-14 8:40 ` Stephen Boyd
2022-04-29 22:08 ` [PATCH v14 02/10] mfd: qcom-spmi-pmic: expose the PMIC revid information to clients Caleb Connolly
2022-05-01 17:28 ` Jonathan Cameron [this message]
2022-06-14 10:42 ` Jonathan Cameron
2022-06-15 21:41 ` Lee Jones
2022-06-18 12:58 ` Jonathan Cameron
2022-04-29 22:08 ` [PATCH v14 03/10] mfd: qcom-spmi-pmic: read fab id on supported PMICs Caleb Connolly
2022-06-15 21:40 ` Lee Jones
2022-04-29 22:08 ` [PATCH v14 04/10] dt-bindings: iio: adc: document qcom-spmi-rradc Caleb Connolly
2022-04-30 14:44 ` Krzysztof Kozlowski
2022-04-30 15:00 ` Caleb Connolly
2022-05-01 8:28 ` Krzysztof Kozlowski
2022-06-14 10:45 ` Jonathan Cameron
2022-04-29 22:09 ` [PATCH v14 05/10] iio: adc: qcom-spmi-rradc: introduce round robin adc Caleb Connolly
2022-05-01 17:38 ` Jonathan Cameron
2022-05-09 11:53 ` Caleb Connolly
2022-06-14 10:44 ` Jonathan Cameron
2022-04-29 22:09 ` [PATCH v14 06/10] arm64: dts: qcom: pmi8998: add rradc node Caleb Connolly
2022-04-29 22:09 ` [PATCH v14 07/10] arm64: dts: qcom: sdm845-oneplus: enable rradc Caleb Connolly
2022-04-29 22:09 ` [PATCH v14 08/10] arm64: dts: qcom: sdm845-db845c: " Caleb Connolly
2022-04-29 22:09 ` [PATCH v14 09/10] arm64: dts: qcom: sdm845-xiaomi-beryllium: " Caleb Connolly
2022-04-29 22:09 ` [PATCH v14 10/10] arm64: dts: qcom: msm8998-oneplus-common: enable RRADC Caleb Connolly
2022-06-18 13:09 ` [PATCH v14 00/10] iio: adc: introduce Qualcomm SPMI Round Robin ADC Jonathan Cameron
2022-06-18 13:17 ` Jonathan Cameron
2022-06-18 16:13 ` Caleb Connolly
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