linux-kernel - RE: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX

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Date:   Mon, 9 Mar 2020 14:09:00 +0000
From:   Anson Huang <anson.huang@....com>
To:     Peng Fan <peng.fan@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
        "a.zummo@...ertech.it" <a.zummo@...ertech.it>,
        "alexandre.belloni@...tlin.com" <alexandre.belloni@...tlin.com>,
        "rui.zhang@...el.com" <rui.zhang@...el.com>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "amit.kucheria@...durent.com" <amit.kucheria@...durent.com>,
        "wim@...ux-watchdog.org" <wim@...ux-watchdog.org>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        Daniel Baluta <daniel.baluta@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux@...pel-privat.de" <linux@...pel-privat.de>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "m.felsch@...gutronix.de" <m.felsch@...gutronix.de>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "arnd@...db.de" <arnd@...db.de>,
        "ronald@...ovation.ch" <ronald@...ovation.ch>,
        "krzk@...nel.org" <krzk@...nel.org>,
        "robh@...nel.org" <robh@...nel.org>,
        Leonard Crestez <leonard.crestez@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "linux-rtc@...r.kernel.org" <linux-rtc@...r.kernel.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU case


> Subject: RE: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU
> case
> 
> > Subject: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU
> > case
> 
> I have one patch pending reviewing.
> https://patchwork.kernel.org/patch/11395247/

OK, if your patch is picked up, then 1/7 is unnecessary for this patch series, but
the rest are still needed.

Anson


> 
> Thanks,
> Peng.
> 
> >
> > Add stubs for those i.MX SCU APIs to make those modules depending on
> > IMX_SCU can pass build when COMPILE_TEST is enabled.
> >
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > ---
> > Changes since V2:
> > 	- return error for stubs.
> > ---
> >  include/linux/firmware/imx/ipc.h | 11 +++++++++++
> > include/linux/firmware/imx/sci.h | 19 +++++++++++++++++++
> >  2 files changed, 30 insertions(+)
> >
> > diff --git a/include/linux/firmware/imx/ipc.h
> > b/include/linux/firmware/imx/ipc.h
> > index 8910574..9e3d808 100644
> > --- a/include/linux/firmware/imx/ipc.h
> > +++ b/include/linux/firmware/imx/ipc.h
> > @@ -34,6 +34,7 @@ struct imx_sc_rpc_msg {
> >  	uint8_t func;
> >  };
> >
> > +#ifdef CONFIG_IMX_SCU
> >  /*
> >   * This is an function to send an RPC message over an IPC channel.
> >   * It is called by client-side SCFW API function shims.
> > @@ -55,4 +56,14 @@ int imx_scu_call_rpc(struct imx_sc_ipc *ipc, void
> > *msg, bool have_resp);
> >   * @return Returns an error code (0 = success, failed if < 0)
> >   */
> >  int imx_scu_get_handle(struct imx_sc_ipc **ipc);
> > +#else
> > +static inline int imx_scu_call_rpc(struct imx_sc_ipc *ipc, void *msg,
> > +bool have_resp) {
> > +	return -ENOENT;
> > +}
> > +static inline int imx_scu_get_handle(struct imx_sc_ipc **ipc) {
> > +	return -ENOENT;
> > +}
> > +#endif
> >  #endif /* _SC_IPC_H */
> > diff --git a/include/linux/firmware/imx/sci.h
> > b/include/linux/firmware/imx/sci.h
> > index 17ba4e4..022129b 100644
> > --- a/include/linux/firmware/imx/sci.h
> > +++ b/include/linux/firmware/imx/sci.h
> > @@ -16,8 +16,27 @@
> >  #include <linux/firmware/imx/svc/misc.h>  #include
> > <linux/firmware/imx/svc/pm.h>
> >
> > +#ifdef CONFIG_IMX_SCU
> >  int imx_scu_enable_general_irq_channel(struct device *dev);  int
> > imx_scu_irq_register_notifier(struct notifier_block *nb);  int
> > imx_scu_irq_unregister_notifier(struct notifier_block *nb);  int
> > imx_scu_irq_group_enable(u8 group, u32 mask, u8 enable);
> > +#else
> > +static inline int imx_scu_enable_general_irq_channel(struct device
> > +*dev) {
> > +	return -ENOENT;
> > +}
> > +static inline int imx_scu_irq_register_notifier(struct notifier_block
> > +*nb) {
> > +	return -ENOENT;
> > +}
> > +static inline int imx_scu_irq_unregister_notifier(struct
> > +notifier_block
> > +*nb) {
> > +	return -ENOENT;
> > +}
> > +static inline int imx_scu_irq_group_enable(u8 group, u32 mask, u8
> > +enable) {
> > +	return -ENOENT;
> > +}
> > +#endif
> >  #endif /* _SC_SCI_H */
> > --
> > 2.7.4