Re: [PATCH V3 2/4] soc: qcom: dcc:Add driver support for Data Capture and Compare unit(DCC)

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Hi,

Souradeep Chowdhury <schowdhu@xxxxxxxxxxxxxx> writes:
> diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile
> index ad675a6..e7f0ccb 100644
> --- a/drivers/soc/qcom/Makefile
> +++ b/drivers/soc/qcom/Makefile
> @@ -1,19 +1,22 @@
>  # SPDX-License-Identifier: GPL-2.0
>  CFLAGS_rpmh-rsc.o := -I$(src)
>  obj-$(CONFIG_QCOM_AOSS_QMP) +=	qcom_aoss.o
> -obj-$(CONFIG_QCOM_GENI_SE) +=	qcom-geni-se.o
> +obj-$(CONFIG_QCOM_APR) += apr.o
>  obj-$(CONFIG_QCOM_COMMAND_DB) += cmd-db.o
>  obj-$(CONFIG_QCOM_CPR)		+= cpr.o
> +obj-$(CONFIG_QCOM_DCC) += dcc.o
> +obj-$(CONFIG_QCOM_GENI_SE) +=   qcom-geni-se.o
>  obj-$(CONFIG_QCOM_GSBI)	+=	qcom_gsbi.o
> +obj-$(CONFIG_QCOM_KRYO_L2_ACCESSORS) += kryo-l2-accessors.o
> +obj-$(CONFIG_QCOM_LLCC) += llcc-qcom.o
>  obj-$(CONFIG_QCOM_MDT_LOADER)	+= mdt_loader.o
>  obj-$(CONFIG_QCOM_OCMEM)	+= ocmem.o
>  obj-$(CONFIG_QCOM_PDR_HELPERS)	+= pdr_interface.o
>  obj-$(CONFIG_QCOM_QMI_HELPERS)	+= qmi_helpers.o
> -qmi_helpers-y	+= qmi_encdec.o qmi_interface.o
>  obj-$(CONFIG_QCOM_RMTFS_MEM)	+= rmtfs_mem.o
>  obj-$(CONFIG_QCOM_RPMH)		+= qcom_rpmh.o
> -qcom_rpmh-y			+= rpmh-rsc.o
> -qcom_rpmh-y			+= rpmh.o
> +obj-$(CONFIG_QCOM_RPMHPD) += rpmhpd.o
> +obj-$(CONFIG_QCOM_RPMPD) += rpmpd.o
>  obj-$(CONFIG_QCOM_SMD_RPM)	+= smd-rpm.o
>  obj-$(CONFIG_QCOM_SMEM) +=	smem.o
>  obj-$(CONFIG_QCOM_SMEM_STATE) += smem_state.o
> @@ -21,8 +24,6 @@ obj-$(CONFIG_QCOM_SMP2P)	+= smp2p.o
>  obj-$(CONFIG_QCOM_SMSM)	+= smsm.o
>  obj-$(CONFIG_QCOM_SOCINFO)	+= socinfo.o
>  obj-$(CONFIG_QCOM_WCNSS_CTRL) += wcnss_ctrl.o
> -obj-$(CONFIG_QCOM_APR) += apr.o
> -obj-$(CONFIG_QCOM_LLCC) += llcc-qcom.o
> -obj-$(CONFIG_QCOM_RPMHPD) += rpmhpd.o
> -obj-$(CONFIG_QCOM_RPMPD) += rpmpd.o
> -obj-$(CONFIG_QCOM_KRYO_L2_ACCESSORS) +=	kryo-l2-accessors.o
> +qmi_helpers-y   += qmi_encdec.o qmi_interface.o
> +qcom_rpmh-y                     += rpmh-rsc.o
> +qcom_rpmh-y                     += rpmh.o

why so many changes?

> diff --git a/drivers/soc/qcom/dcc.c b/drivers/soc/qcom/dcc.c
> new file mode 100644
> index 0000000..fcd5580
> --- /dev/null
> +++ b/drivers/soc/qcom/dcc.c
> @@ -0,0 +1,1539 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <linux/bitfield.h>
> +#include <linux/bitops.h>
> +#include <linux/cdev.h>
> +#include <linux/delay.h>
> +#include <linux/fs.h>
> +#include <linux/io.h>
> +#include <linux/iopoll.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> +#include <linux/platform_device.h>
> +#include <linux/slab.h>
> +#include <linux/uaccess.h>
> +
> +

one blank line is enough

> +#define TIMEOUT_US		100
> +
> +#define dcc_writel(drvdata, val, off)					\
> +	writel((val), drvdata->base + dcc_offset_conv(drvdata, off))
> +#define dcc_readl(drvdata, off)						\
> +	readl(drvdata->base + dcc_offset_conv(drvdata, off))
> +
> +#define dcc_sram_readl(drvdata, off)					\
> +	readl(drvdata->ram_base + off)

this would be probably be better as static inlines.

-- 
balbi

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