Re: [PATCH v4 3/6] usb: typec: ucsi: add Lenovo Yoga C630 glue driver

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On Wed, 29 May 2024, Dmitry Baryshkov wrote:

> On Wed, 29 May 2024 at 17:20, Ilpo Järvinen
> <ilpo.jarvinen@xxxxxxxxxxxxxxx> wrote:
> >
> > On Tue, 28 May 2024, Dmitry Baryshkov wrote:
> >
> > > The Lenovo Yoga C630 WOS laptop provides implements UCSI interface in
> > > the onboard EC. Add glue driver to interface the platform's UCSI
> > > implementation.
> > >
> > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > > ---
> > >  drivers/usb/typec/ucsi/Kconfig          |   9 ++
> > >  drivers/usb/typec/ucsi/Makefile         |   1 +
> > >  drivers/usb/typec/ucsi/ucsi_yoga_c630.c | 189 ++++++++++++++++++++++++++++++++
> > >  3 files changed, 199 insertions(+)
> > >
> > > diff --git a/drivers/usb/typec/ucsi/Kconfig b/drivers/usb/typec/ucsi/Kconfig
> > > index bdcb1764cfae..680e1b87b152 100644
> > > --- a/drivers/usb/typec/ucsi/Kconfig
> > > +++ b/drivers/usb/typec/ucsi/Kconfig
> > > @@ -69,4 +69,13 @@ config UCSI_PMIC_GLINK
> > >         To compile the driver as a module, choose M here: the module will be
> > >         called ucsi_glink.
> > >
> > > +config UCSI_LENOVO_YOGA_C630
> > > +     tristate "UCSI Interface Driver for Lenovo Yoga C630"
> > > +     depends on EC_LENOVO_YOGA_C630
> > > +     help
> > > +       This driver enables UCSI support on the Lenovo Yoga C630 laptop.
> > > +
> > > +       To compile the driver as a module, choose M here: the module will be
> > > +       called ucsi_yoga_c630.
> > > +
> > >  endif
> > > diff --git a/drivers/usb/typec/ucsi/Makefile b/drivers/usb/typec/ucsi/Makefile
> > > index b4679f94696b..aed41d23887b 100644
> > > --- a/drivers/usb/typec/ucsi/Makefile
> > > +++ b/drivers/usb/typec/ucsi/Makefile
> > > @@ -21,3 +21,4 @@ obj-$(CONFIG_UCSI_ACPI)                     += ucsi_acpi.o
> > >  obj-$(CONFIG_UCSI_CCG)                       += ucsi_ccg.o
> > >  obj-$(CONFIG_UCSI_STM32G0)           += ucsi_stm32g0.o
> > >  obj-$(CONFIG_UCSI_PMIC_GLINK)                += ucsi_glink.o
> > > +obj-$(CONFIG_UCSI_LENOVO_YOGA_C630)  += ucsi_yoga_c630.o
> > > diff --git a/drivers/usb/typec/ucsi/ucsi_yoga_c630.c b/drivers/usb/typec/ucsi/ucsi_yoga_c630.c
> > > new file mode 100644
> > > index 000000000000..ca1ab5c81b87
> > > --- /dev/null
> > > +++ b/drivers/usb/typec/ucsi/ucsi_yoga_c630.c
> > > @@ -0,0 +1,189 @@
> > > +// SPDX-License-Identifier: GPL-2.0-only
> > > +/*
> > > + * Copyright (c) 2022-2024, Linaro Ltd
> > > + * Authors:
> > > + *    Bjorn Andersson
> > > + *    Dmitry Baryshkov
> > > + */
> > > +#include <linux/auxiliary_bus.h>
> > > +#include <linux/module.h>
> > > +#include <linux/platform_data/lenovo-yoga-c630.h>
> > > +
> > > +#include "ucsi.h"
> > > +
> > > +struct yoga_c630_ucsi {
> > > +     struct yoga_c630_ec *ec;
> > > +     struct ucsi *ucsi;
> > > +     struct notifier_block nb;
> > > +     struct completion complete;
> >
> > Add includes for what you used here.
> >
> > > +     unsigned long flags;
> > > +#define UCSI_C630_COMMAND_PENDING    0
> > > +#define UCSI_C630_ACK_PENDING                1
> > > +     u16 version;
> > > +};
> > > +
> > > +static  int yoga_c630_ucsi_read(struct ucsi *ucsi, unsigned int offset,
> >
> > extra space
> >
> > > +                             void *val, size_t val_len)
> > > +{
> > > +     struct yoga_c630_ucsi *uec = ucsi_get_drvdata(ucsi);
> >
> > Missing include for ucsi_get_drvdata
> 
> I'll review my includes, but this comment and the comment for
> ucsi_operations are clearly wrong. There is a corresponding include.

Ah, sorry about that. I completely missed there was that local include.

-- 
 i.

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