From: Benjamin Herrenschmidt <benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
To: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org,
i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org,
avorontsov-hkdhdckH98+B+jHODAdFcQ@public.gmane.org,
David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Subject: Re: [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls
Date: Thu, 23 Oct 2008 15:45:45 +1100 [thread overview]
Message-ID: <1224737145.7654.387.camel@pasglop> (raw)
In-Reply-To: <200810221404.52798.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
On Wed, 2008-10-22 at 14:04 -0700, David Brownell wrote:
> > So if we register the board infos after
> > the controller registered, then nobody will probe the board infos.
>
> See above. If you're doing it right, there's no problem.
> That is, scan the OF tables early. Just like PNP tables
> get scanned early, for example.
It's still pretty yucky in that case to scan the device-tree to convert
it into some kind of fugly board info ... I'd rather have the end
drivers that actually use those GPIOs scan the device-tree directly.
But then, I'm not a believer in generic drivers for things like GPIOs,
i2c devices, etc.. :-)
Ben.
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next prev parent reply other threads:[~2008-10-23 4:45 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-16 17:12 [PATCH 0/7 RFC] Handle I2C GPIO controllers with the OF (was: pca9539 I2C gpio expander) Anton Vorontsov
2008-10-16 17:12 ` [PATCH 1/7] powerpc and sparc: introduce dev_archdata node accessors Anton Vorontsov
2008-10-16 22:36 ` David Miller
2008-10-16 23:02 ` Grant Likely
2008-10-16 17:12 ` [PATCH 2/7] i2c: add info->archdata field Anton Vorontsov
2008-10-17 9:21 ` Jean Delvare
[not found] ` <20081017112125.1f2c9d94-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2008-10-22 0:27 ` Benjamin Herrenschmidt
2008-10-22 6:50 ` Jean Delvare
[not found] ` <20081022085002.0698e2a8-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2008-10-22 7:37 ` Benjamin Herrenschmidt
2008-10-22 10:08 ` Anton Vorontsov
2008-10-22 11:07 ` Jean Delvare
2008-10-22 12:50 ` Anton Vorontsov
[not found] ` <20081016171222.GA24812-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-16 17:12 ` [PATCH 3/7] of: fill the archdata for I2C devices Anton Vorontsov
2008-10-22 4:14 ` Grant Likely
2008-10-16 17:12 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Anton Vorontsov
2008-10-17 20:24 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls David Brownell
2008-10-17 21:29 ` Anton Vorontsov
2008-10-20 7:29 ` David Brownell
2008-10-20 15:48 ` Anton Vorontsov
[not found] ` <20081020154835.GA3234-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-22 0:29 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Benjamin Herrenschmidt
2008-10-22 1:03 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Anton Vorontsov
2008-10-22 1:42 ` Anton Vorontsov
[not found] ` <20081022014243.GA19362-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-22 2:28 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Benjamin Herrenschmidt
2008-10-22 4:20 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Grant Likely
2008-10-22 4:22 ` David Brownell
2008-10-22 10:36 ` Anton Vorontsov
2008-10-22 10:46 ` Anton Vorontsov
2008-10-22 18:32 ` Anton Vorontsov
2008-10-22 21:04 ` David Brownell
2008-10-22 21:22 ` Anton Vorontsov
2008-10-22 21:52 ` David Brownell
2008-10-22 22:29 ` Anton Vorontsov
2008-10-23 5:19 ` David Brownell
[not found] ` <200810221404.52798.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-10-23 4:45 ` Benjamin Herrenschmidt [this message]
2008-10-23 6:06 ` David Brownell
2008-10-23 6:15 ` David Brownell
2008-10-28 17:45 ` [PATCH 0/6 RFC] OF-glue devices for I2C/SPI (was: " Anton Vorontsov
2008-10-28 17:53 ` Grant Likely
[not found] ` <20081022010347.GA7377-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-22 2:27 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Benjamin Herrenschmidt
2008-10-16 17:13 ` [PATCH 5/7] of/gpio: implement of_dev_gpiochip_{add,remove} calls Anton Vorontsov
2008-10-17 20:25 ` David Brownell
2008-10-17 21:13 ` Anton Vorontsov
2008-10-16 17:13 ` [PATCH 6/7] gpio/pca953x: convert to dev_gpiochip_add and make it work with the OF Anton Vorontsov
2008-10-16 17:13 ` [PATCH 7/7] i2c/mcu_mpc8349emitx: convert to the new I2C/OF/GPIO infrastructure Anton Vorontsov
2008-10-17 16:07 ` [PATCH 0/7 RFC] Handle I2C GPIO controllers with the OF (was: pca9539 I2C gpio expander) Steven A. Falco
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