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SubjectRe: [PATCH] driver: ip27-rtc - convert ioctl to unlocked_ioctl
On Sun, Jan 13, 2008 at 11:32:23PM +0300, Cyrill Gorcunov wrote:
> This patch converts ioctl call to unlocked_ioctl form with
> explicit big-kernel-lock. Also it makes a bit of cleanup
> converting miscdevice structure initialization to C99 form.
> Signed-off-by: Cyrill Gorcunov <>
> ---
> Any comments are welcome.
> This is untested code - i've no such chip on my laptop.
> Andi, i think we could use mutex to eliminate BKL, but not sure.

Looks like it can be dropped here. All usage of rtc-> is done under
rtc_lock. Every other variable there is thread-local.

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