On 05/04/2015 12:36 PM, Andrew Bresticker wrote:
> The mailbox controller's channel ops ought to be read-only. Update
> all the mailbox drivers to make their mbox_chan_ops const as well.
>
> Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
> Cc: Jassi Brar <jassisinghbrar@xxxxxxxxx>
> Cc: Suman Anna <s-anna@xxxxxx>
> Cc: Ashwin Chaugule <ashwin.chaugule@xxxxxxxxxx>
> Cc: Ley Foon Tan <lftan@xxxxxxxxxx>
Thanks, the new patch looks good.
Acked-by: Suman Anna <s-anna@xxxxxx>
> ---
> Changes from v7:
> - Constify all drivers' mbox_chan_ops.
> No changes from v5/v6.
> New for v5.
> ---
> drivers/mailbox/arm_mhu.c | 2 +-
> drivers/mailbox/mailbox-altera.c | 2 +-
> drivers/mailbox/omap-mailbox.c | 2 +-
> drivers/mailbox/pcc.c | 2 +-
> include/linux/mailbox_controller.h | 2 +-
> 5 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mailbox/arm_mhu.c b/drivers/mailbox/arm_mhu.c
> index ac693c6..d9e99f9 100644
> --- a/drivers/mailbox/arm_mhu.c
> +++ b/drivers/mailbox/arm_mhu.c
> @@ -110,7 +110,7 @@ static void mhu_shutdown(struct mbox_chan *chan)
> free_irq(mlink->irq, chan);
> }
>
> -static struct mbox_chan_ops mhu_ops = {
> +static const struct mbox_chan_ops mhu_ops = {
> .send_data = mhu_send_data,
> .startup = mhu_startup,
> .shutdown = mhu_shutdown,
> diff --git a/drivers/mailbox/mailbox-altera.c b/drivers/mailbox/mailbox-altera.c
> index a266265..bb682c9 100644
> --- a/drivers/mailbox/mailbox-altera.c
> +++ b/drivers/mailbox/mailbox-altera.c
> @@ -285,7 +285,7 @@ static void altera_mbox_shutdown(struct mbox_chan *chan)
> }
> }
>
> -static struct mbox_chan_ops altera_mbox_ops = {
> +static const struct mbox_chan_ops altera_mbox_ops = {
> .send_data = altera_mbox_send_data,
> .startup = altera_mbox_startup,
> .shutdown = altera_mbox_shutdown,
> diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
> index 0f332c1..03f8545 100644
> --- a/drivers/mailbox/omap-mailbox.c
> +++ b/drivers/mailbox/omap-mailbox.c
> @@ -604,7 +604,7 @@ static int omap_mbox_chan_send_data(struct mbox_chan *chan, void *data)
> return ret;
> }
>
> -static struct mbox_chan_ops omap_mbox_chan_ops = {
> +static const struct mbox_chan_ops omap_mbox_chan_ops = {
> .startup = omap_mbox_chan_startup,
> .send_data = omap_mbox_chan_send_data,
> .shutdown = omap_mbox_chan_shutdown,
> diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c
> index 7e91d68..26d121d 100644
> --- a/drivers/mailbox/pcc.c
> +++ b/drivers/mailbox/pcc.c
> @@ -198,7 +198,7 @@ static int pcc_send_data(struct mbox_chan *chan, void *data)
> return 0;
> }
>
> -static struct mbox_chan_ops pcc_chan_ops = {
> +static const struct mbox_chan_ops pcc_chan_ops = {
> .send_data = pcc_send_data,
> };
>
> diff --git a/include/linux/mailbox_controller.h b/include/linux/mailbox_controller.h
> index d4cf96f..68c4245 100644
> --- a/include/linux/mailbox_controller.h
> +++ b/include/linux/mailbox_controller.h
> @@ -72,7 +72,7 @@ struct mbox_chan_ops {
> */
> struct mbox_controller {
> struct device *dev;
> - struct mbox_chan_ops *ops;
> + const struct mbox_chan_ops *ops;
> struct mbox_chan *chans;
> int num_chans;
> bool txdone_irq;
>
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