Search Linux Wireless

Re: [PATCH v5 3/7] wireless: wl12xx: add platform data passing support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Sep 06, 2010 at 09:42:41PM +0200, Michał Mirosław wrote:
> W dniu 6 września 2010 14:07 użytkownik Russell King - ARM Linux
> <linux@xxxxxxxxxxxxxxxx> napisał:
> > On Sat, Sep 04, 2010 at 02:23:19PM +0200, Michał Mirosław wrote:
> >> 2010/9/1 Ohad Ben-Cohen <ohad@xxxxxxxxxx>:
> >> > Add a simple mechanism to pass platform data to the
> >> > SDIO instances of wl12xx.
> [cut patch]
> >> Why do you need all that copying? Isn't the data constant?
> >
> > The first copy is to allow platforms to have their data marked with
> > __initdata.  The second copy probably isn't necessary, but avoids
> > problems where the driver may decide to modify the platform data.
> 
> Sorry for pushing at this, but why would you mark data that's meant to
> be used after init phase as __initdata?

Because you may have many instances of the data (due to multiple platform
support), and only need one of them at run-time.
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux