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SubjectRe: [MeeGo-Dev][PATCH] Topcliff: Update PCH_IEEE1588 driver to 2.6.35
Date
Hi Qi,

> if (a == TRUE).... isn't necessary. Just if (a)... so you needn't 'TRUE'.
> If (a == FALSE)... isn't necessary also. Just if (!a)..
I understand.
I will delete TRUE/FALSE definition.

Thanks, Ohtake.

----- Original Message -----
From: "Wang, Qi" <qi.wang@intel.com>
To: "Masayuki Ohtake" <masa-korg@dsn.okisemi.com>; "Greg KH" <gregkh@suse.de>
Cc: <arjan@linux.intel.com>; "Khor, Andrew Chih Howe" <andrew.chih.howe.khor@intel.com>; "Wang, Yong Y"
<yong.y.wang@intel.com>; "LKML" <linux-kernel@vger.kernel.org>; <meego-dev@meego.com>
Sent: Wednesday, August 11, 2010 11:18 AM
Subject: RE: [MeeGo-Dev][PATCH] Topcliff: Update PCH_IEEE1588 driver to 2.6.35


> > -----Original Message-----
> > From: Masayuki Ohtake [mailto:masa-korg@dsn.okisemi.com]
> > Sent: Wednesday, August 11, 2010 10:15 AM
> > To: Greg KH; Wang, Qi
> > Cc: arjan@linux.intel.com; Khor, Andrew Chih Howe; Wang, Yong Y; LKML;
> > meego-dev@meego.com
> > Subject: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_IEEE1588 driver to
> > 2.6.35
> >
> > > > > +#define TRUE 1
> > > > > +#define FALSE 0
> > > >
> > > > These lines should not be needed at all.
> > > OKI-san, please remove them, Those definition is useless.
> >
> > Is the above definition is necessary?
> > I can't find appropriate header file defines 'TRUE' and 'FALSE'.
> > In addition, some drivers have these definitions.
> > For example, drivers/char/mwave/smapi.h has the above definitions.
>
> if (a == TRUE).... isn't necessary. Just if (a)... so you needn't 'TRUE'.
> If (a == FALSE)... isn't necessary also. Just if (!a)..
>
> Best Regards,
> Qi.
> >
> > Thanks, Ohtake
> > ----- Original Message -----
> > From: "Wang, Qi" <qi.wang@intel.com>
> > To: "Greg KH" <gregkh@suse.de>; "Masayuki Ohtak"
> > <masa-korg@dsn.okisemi.com>
> > Cc: <meego-dev@meego.com>; "LKML" <linux-kernel@vger.kernel.org>;
> > "Wang, Yong Y" <yong.y.wang@intel.com>; "Khor, Andrew
> > Chih Howe" <andrew.chih.howe.khor@intel.com>; <arjan@linux.intel.com>
> > Sent: Wednesday, August 11, 2010 10:20 AM
> > Subject: RE: [MeeGo-Dev][PATCH] Topcliff: Update PCH_IEEE1588 driver to
> > 2.6.35
> >
> >
> > > > -----Original Message-----
> > > > From: Greg KH [mailto:gregkh@suse.de]
> > > > Sent: Wednesday, August 11, 2010 1:14 AM
> > > > To: Masayuki Ohtak
> > > > Cc: meego-dev@meego.com; LKML; Wang, Qi; Wang, Yong Y; Khor, Andrew
> > > > Chih Howe; arjan@linux.intel.com
> > > > Subject: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_IEEE1588 driver to
> > > > 2.6.35
> > > >
> > > > On Tue, Aug 10, 2010 at 07:32:04PM +0900, Masayuki Ohtak wrote:
> > > > > IEEE1588 driver of Topcliff PCH
> > > > >
> > > > > Topcliff PCH is the platform controller hub that is going to be used in
> > > > > Intel's upcoming general embedded platform. All IO peripherals in
> > > > > Topcliff PCH are actually devices sitting on AMBA bus.
> > > > > Topcliff PCH has IEEE1588 I/F. This driver enables IEEE1588 function on
> > CAN
> > > > or
> > > > > Ethernet communications.
> > > >
> > > > So it's a CAN or Ethernet driver? If so, why isn't this a network
> > > > driver like the CAN and Ethernet drivers?
> > >
> > > This socket CAN drivers which can use Berkeley socket API, and the Linux
> > network stack and implements the CAN device
> > drivers as network interfaces.
> > > >
> > > > > +#ifdef __GNUC__
> > > > > +#define UNUSED __attribute__ ((unused))
> > > > > +#define UNUSED_ARG(x)
> > > > > +#else
> > > > > +#define UNUSED
> > > > > +#define UNUSED_ARG(x) (void) x
> > > > > +#endif
> > > > > +
> > > > > +
> > > > > +#define TRUE 1
> > > > > +#define FALSE 0
> > > >
> > > > These lines should not be needed at all.
> > > OKI-san, please remove them, Those definition is useless.
> > > >
> > > > > +#define IOC_1588_BASE 0xf8
> > > >
> > > > Do you have documentation for these new ioctls you are creating? It's a
> > > > lot of them:
> > > >
> > > > > +#define IOCTL_1588_PORT_CONFIG_SET \
> > > > > + _IOW(IOC_1588_BASE, 0, struct pch_portcfg_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_PORT_CONFIG_GET \
> > > > > + _IOWR(IOC_1588_BASE, 1, struct pch_portcfg_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_RX_POLL _IOWR(IOC_1588_BASE, 2, struct
> > > > pch_rxtxpoll_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_TX_POLL _IOWR(IOC_1588_BASE, 3, struct
> > > > pch_rxtxpoll_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_CAN_POLL _IOWR(IOC_1588_BASE, 4, struct
> > > > pch_canpoll_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_SYS_TIME_GET _IOR(IOC_1588_BASE, 5, struct
> > > > pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_SYS_TIME_SET _IOW(IOC_1588_BASE, 6, struct
> > > > pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_TICK_RATE_SET _IOW(IOC_1588_BASE, 7, __u32)
> > > > > +
> > > > > +#define IOCTL_1588_TICK_RATE_GET _IOR(IOC_1588_BASE, 8, __u32)
> > > > > +
> > > > > +#define IOCTL_1588_TARG_TIME_INTRPT_ENABLE _IO(IOC_1588_BASE,
> > 9)
> > > > > +
> > > > > +#define IOCTL_1588_TARG_TIME_INTRPT_DISABLE
> > _IO(IOC_1588_BASE,
> > > > 10)
> > > > > +
> > > > > +#define IOCTL_1588_TARG_TIME_POLL \
> > > > > + _IOR(IOC_1588_BASE, 11, struct pch_timepoll_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_TARG_TIME_SET \
> > > > > + _IOW(IOC_1588_BASE, 12, struct pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_TARG_TIME_GET \
> > > > > + _IOR(IOC_1588_BASE, 13, struct pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TIME_INTRPT_ENABLE
> > _IOW(IOC_1588_BASE,
> > > > 14,\
> > > > > + enum pch_auxmode)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TIME_INTRPT_DISABLE
> > _IOW(IOC_1588_BASE,
> > > > 15,\
> > > > > + enum pch_auxmode)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TIME_POLL \
> > > > > + _IOWR(IOC_1588_BASE, 16, struct pch_timepoll_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_RESET _IO(IOC_1588_BASE, 17)
> > > > > +
> > > > > +#define IOCTL_1588_CHNL_RESET _IOW(IOC_1588_BASE, 18, enum
> > > > pch_ptpport)
> > > > > +
> > > > > +#define IOCTL_1588_STATS_GET _IOR(IOC_1588_BASE, 19, struct
> > > > pch_stats)
> > > > > +
> > > > > +#define IOCTL_1588_STATS_RESET _IO(IOC_1588_BASE, 20)
> > > > > +
> > > > > +#define IOCTL_1588_SHOW_ALL _IO(IOC_1588_BASE, 21)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TARG_TIME_INTRPT_ENABLE
> > > > _IO(IOC_1588_BASE, 22)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TARG_TIME_INTRPT_DISABLE
> > > > _IO(IOC_1588_BASE, 23)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TARG_TIME_POLL \
> > > > > + _IOR(IOC_1588_BASE, 24, struct pch_timepoll_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TARG_TIME_SET \
> > > > > + _IOW(IOC_1588_BASE, 25, struct pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TARG_TIME_GET \
> > > > > + _IOR(IOC_1588_BASE, 26, struct pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_PULSE_PER_SEC_INTRPT_ENABLE
> > > > _IO(IOC_1588_BASE, 27)
> > > > > +
> > > > > +#define IOCTL_1588_PULSE_PER_SEC_INTRPT_DISABLE
> > > > _IO(IOC_1588_BASE, 28)
> > > > > +
> > > > > +#define IOCTL_1588_TARG_TIME_NOTIFY \
> > > > > + _IOR(IOC_1588_BASE, 29, struct pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TIME_NOTIFY \
> > > > > + _IOR(IOC_1588_BASE, 30, struct pch_auxtimeioctl)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TARG_TIME_NOTIFY \
> > > > > + _IOR(IOC_1588_BASE, 31, struct pch_tim_val)
> > > > > +
> > > > > +#define IOCTL_1588_PULSE_PER_SEC_NOTIFY _IOR(IOC_1588_BASE,
> > 32,
> > > > __u32)
> > > > > +
> > > > > +#define IOCTL_1588_TARG_TIME_CLR_NOTIFY _IO(IOC_1588_BASE, 33)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TIME_CLR_NOTIFY _IO(IOC_1588_BASE, 34)
> > > > > +
> > > > > +#define IOCTL_1588_AUX_TARG_TIME_CLR_NOTIFY
> > _IO(IOC_1588_BASE,
> > > > 35)
> > > > > +
> > > > > +#define IOCTL_1588_PULSE_PER_SEC_CLR_NOTIFY
> > _IO(IOC_1588_BASE,
> > > > 36)
> > > > > +
> > > > > +#define IOCTL_1588_PULSE_PER_SEC_TIME_GET _IOR(IOC_1588_BASE,
> > 37,
> > > > __u32)
> > > > > +
> > > > > +#define IOCTL_1588_PULSE_PER_SEC_TIME_SET _IOW(IOC_1588_BASE,
> > 38,
> > > > __u32)
> > > > > +
> > > > > +#define IOCTL_1588_PORT_VERSION_SET \
> > > > > + _IOW(IOC_1588_BASE, 39, struct pch_versionioctl)
> > > > > +
> > > > > +#define IOCTL_1588_PORT_VERSION_GET \
> > > > > + _IOWR(IOC_1588_BASE, 40, struct pch_versionioctl)
> > > > > +
> > > > > +#define IOCTL_1588_PORT_OPERATION_MODE_SET \
> > > > > + _IOW(IOC_1588_BASE, 41, struct pch_opemode_ioctl)
> > > > > +
> > > > > +#define IOCTL_1588_PORT_OPERATION_MODE_GET \
> > > > > + _IOWR(IOC_1588_BASE, 42, struct pch_opemode_ioctl)
> > > >
> > > > Do they all have to be ioctls? What exactly are they doing?
> > > >
> > > > And are they 32/64bit safe?
> > > >
> > > > thanks,
> > > >
> > > > greg k-h
> > >
> > > Best Regards,
> > > Qi
> > >
> >
>
>




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