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SubjectRe: [PATCH v2 3/7] soc: qcom: Add AOSS QMP genpd provider
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Quoting Bjorn Andersson (2019-01-06 00:09:11)
> diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
> index dda19471057f..d81256ef5055 100644
> --- a/drivers/soc/qcom/Kconfig
> +++ b/drivers/soc/qcom/Kconfig
> @@ -12,6 +12,15 @@ config QCOM_AOSS_QMP
> micro-controller in the AOSS, using QMP, to control certain resource
> that are not exposed through RPMh.
>
> +config QCOM_AOSS_QMP_PD
> + tristate "Qualcomm AOSS Messaging Power Domain driver"
> + depends on QCOM_AOSS_QMP
> + select PM_GENERIC_DOMAINS
> + help
> + This driver provides the means of controlling the AOSSs handling of

Is that possesive? AOSS's?

> + low-power state for resources related to the remoteproc subsystems as
> + well as controlling the debug clocks.
> +
> config QCOM_COMMAND_DB
> bool "Qualcomm Command DB"
> depends on ARCH_QCOM || COMPILE_TEST
> diff --git a/drivers/soc/qcom/aoss-qmp-pd.c b/drivers/soc/qcom/aoss-qmp-pd.c
> new file mode 100644
> index 000000000000..62b8fcb9d09e
> --- /dev/null
> +++ b/drivers/soc/qcom/aoss-qmp-pd.c
> @@ -0,0 +1,135 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2018, Linaro Ltd
> + */
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/pm_domain.h>
> +#include <linux/soc/qcom/aoss-qmp.h>
> +#include <dt-bindings/power/qcom-aoss-qmp.h>
> +
> +struct qmp_pd {
> + struct qmp *qmp;
> +
> + struct generic_pm_domain pd;
> +
> + const char *name;
> +};
> +
> +#define to_qmp_pd_resource(res) container_of(res, struct qmp_pd, pd)
> +
> +struct qmp_pd_resource {
> + const char *name;
> + int (*on)(struct generic_pm_domain *domain);
> + int (*off)(struct generic_pm_domain *domain);
> +};
> +
> +static int qmp_pd_clock_toggle(struct qmp_pd *res, bool enable)
> +{
> + char buf[96];

Is 96 calculated from somewhere? Can it be a define because it's quite
magical.

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