[PATCH 3/3] hwspinlock/core: allow hwspinlock_device to have bank-specific private data

[Ohad Ben-Cohen]

Hi Shinya,

On Fri, Jul 6, 2012 at 7:56 AM, Shinya Kuribayashi
<shinya.kuribayashi.px at renesas.com> wrote:
> It would be useful, for example, to save ioremap()ed 'io_base' address,
> when a platform-specific driver uses 'priv' in 'struct hwspinlock' for
> something different.

I don't mind taking this one as long as we have a (justifiable) user for it.

I assume you're using this in your driver, so let's with this patch
until you post your driver?

Thanks!
Ohad.

>
> Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px at renesas.com>
> ---
>  drivers/hwspinlock/hwspinlock_internal.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/hwspinlock/hwspinlock_internal.h b/drivers/hwspinlock/hwspinlock_internal.h
> index c60318c..dc7e522 100644
> --- a/drivers/hwspinlock/hwspinlock_internal.h
> +++ b/drivers/hwspinlock/hwspinlock_internal.h
> @@ -57,6 +57,9 @@ struct hwspinlock {
>   * @ops: platform-specific hwspinlock handlers
>   * @base_id: id index of the first lock in this device
>   * @num_locks: number of locks in this device
> + * @bank_data: private data which can be shared across 'struct hwspinlock'
> + *            instances in this device, owned by the underlying platform-
> + *            specific hwspinlock driver
>   * @lock: dynamically allocated array of 'struct hwspinlock' (must be placed
>   *       at the end of the hwspinlock_device)
>   */
> @@ -65,6 +68,7 @@ struct hwspinlock_device {
>         const struct hwspinlock_ops *ops;
>         int base_id;
>         int num_locks;
> +       void *bank_data;
>         struct hwspinlock lock[0];
>  };
>
> --
> 1.7.11.1
>