[PATCH] shpchp: constify hpc_ops structure

[PATCH] shpchp: constify hpc_ops structure

[Julia Lawall]

The hpc_ops structure is never modified, so declare it as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
 drivers/pci/hotplug/shpchp.h     |    4 ++--
 drivers/pci/hotplug/shpchp_hpc.c |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 5897d51..3059c34 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -84,7 +84,7 @@ struct slot {
 	u8 presence_save;
 	u8 pwr_save;
 	struct controller *ctrl;
-	struct hpc_ops *hpc_ops;
+	const struct hpc_ops *hpc_ops;
 	struct hotplug_slot *hotplug_slot;
 	struct list_head	slot_list;
 	struct delayed_work work;	/* work for button event */
@@ -106,7 +106,7 @@ struct controller {
 	int slot_num_inc;		/* 1 or -1 */
 	struct pci_dev *pci_dev;
 	struct list_head slot_list;
-	struct hpc_ops *hpc_ops;
+	const struct hpc_ops *hpc_ops;
 	wait_queue_head_t queue;	/* sleep & wake process */
 	u8 slot_device_offset;
 	u32 pcix_misc2_reg;	/* for amd pogo errata */
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 7d223e9..43e7906 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -910,7 +910,7 @@ static int shpc_get_max_bus_speed(struct controller *ctrl)
 	return retval;
 }
 
-static struct hpc_ops shpchp_hpc_ops = {
+static const struct hpc_ops shpchp_hpc_ops = {
 	.power_on_slot			= hpc_power_on_slot,
 	.slot_enable			= hpc_slot_enable,
 	.slot_disable			= hpc_slot_disable,

Re: [PATCH] shpchp: constify hpc_ops structure

[Bjorn Helgaas]

On Wed, Dec 23, 2015 at 09:35:35PM +0100, Julia Lawall wrote:
> The hpc_ops structure is never modified, so declare it as const.
> 
> Done with the help of Coccinelle.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

Applied to pci/trivial for v4.5, thanks, Julia!

> ---
>  drivers/pci/hotplug/shpchp.h     |    4 ++--
>  drivers/pci/hotplug/shpchp_hpc.c |    2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
> index 5897d51..3059c34 100644
> --- a/drivers/pci/hotplug/shpchp.h
> +++ b/drivers/pci/hotplug/shpchp.h
> @@ -84,7 +84,7 @@ struct slot {
>  	u8 presence_save;
>  	u8 pwr_save;
>  	struct controller *ctrl;
> -	struct hpc_ops *hpc_ops;
> +	const struct hpc_ops *hpc_ops;
>  	struct hotplug_slot *hotplug_slot;
>  	struct list_head	slot_list;
>  	struct delayed_work work;	/* work for button event */
> @@ -106,7 +106,7 @@ struct controller {
>  	int slot_num_inc;		/* 1 or -1 */
>  	struct pci_dev *pci_dev;
>  	struct list_head slot_list;
> -	struct hpc_ops *hpc_ops;
> +	const struct hpc_ops *hpc_ops;
>  	wait_queue_head_t queue;	/* sleep & wake process */
>  	u8 slot_device_offset;
>  	u32 pcix_misc2_reg;	/* for amd pogo errata */
> diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
> index 7d223e9..43e7906 100644
> --- a/drivers/pci/hotplug/shpchp_hpc.c
> +++ b/drivers/pci/hotplug/shpchp_hpc.c
> @@ -910,7 +910,7 @@ static int shpc_get_max_bus_speed(struct controller *ctrl)
>  	return retval;
>  }
>  
> -static struct hpc_ops shpchp_hpc_ops = {
> +static const struct hpc_ops shpchp_hpc_ops = {
>  	.power_on_slot			= hpc_power_on_slot,
>  	.slot_enable			= hpc_slot_enable,
>  	.slot_disable			= hpc_slot_disable,
> 
> --
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