Re: [PATCH] drivers/media/usb/dvb-usb-v2: constify mxl111sf_tuner_config structure

From: Michael Ira Krufky
Date: Sun Jan 03 2016 - 09:37:33 EST


On Sun, Jan 3, 2016 at 7:11 AM, Julia Lawall <Julia.Lawall@xxxxxxx> wrote:
> This mxl111sf_tuner_config structure is never modified, so declare it as
> const.
>
> There are some indentation changes to remain within 80 columns.
>
> Done with the help of Coccinelle.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

Thank you for this, Julia

Reviewed-by: Michael Ira Krufky <mkrufky@xxxxxxxxxxx>


>
> ---
> drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c | 6 +++---
> drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h | 8 ++++----
> drivers/media/usb/dvb-usb-v2/mxl111sf.c | 2 +-
> 3 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c
> index 444579b..7d16252 100644
> --- a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c
> +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c
> @@ -36,7 +36,7 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
> struct mxl111sf_tuner_state {
> struct mxl111sf_state *mxl_state;
>
> - struct mxl111sf_tuner_config *cfg;
> + const struct mxl111sf_tuner_config *cfg;
>
> enum mxl_if_freq if_freq;
>
> @@ -489,8 +489,8 @@ static struct dvb_tuner_ops mxl111sf_tuner_tuner_ops = {
> };
>
> struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
> - struct mxl111sf_state *mxl_state,
> - struct mxl111sf_tuner_config *cfg)
> + struct mxl111sf_state *mxl_state,
> + const struct mxl111sf_tuner_config *cfg)
> {
> struct mxl111sf_tuner_state *state = NULL;
>
> diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h
> index e6caab2..509b550 100644
> --- a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h
> +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h
> @@ -63,13 +63,13 @@ struct mxl111sf_tuner_config {
> #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
> extern
> struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
> - struct mxl111sf_state *mxl_state,
> - struct mxl111sf_tuner_config *cfg);
> + struct mxl111sf_state *mxl_state,
> + const struct mxl111sf_tuner_config *cfg);
> #else
> static inline
> struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
> - struct mxl111sf_state *mxl_state,
> - struct mxl111sf_tuner_config *cfg)
> + struct mxl111sf_state *mxl_state,
> + const struct mxl111sf_tuner_config *cfg)
> {
> printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
> return NULL;
> diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.c b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
> index b669dec..b586e17 100644
> --- a/drivers/media/usb/dvb-usb-v2/mxl111sf.c
> +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
> @@ -856,7 +856,7 @@ static int mxl111sf_ant_hunt(struct dvb_frontend *fe)
> return 0;
> }
>
> -static struct mxl111sf_tuner_config mxl_tuner_config = {
> +static const struct mxl111sf_tuner_config mxl_tuner_config = {
> .if_freq = MXL_IF_6_0, /* applies to external IF output, only */
> .invert_spectrum = 0,
> .read_reg = mxl111sf_read_reg,
>
> --
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