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usb: renesas_usbhs: constify usbhs_pkt_handle structures

Browse source 
The usbhs_pkt_handle structures are never modified, so declare them as
const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Julia Lawall 2015-12-27 21:50:29 +01:00 committed by Greg Kroah-Hartman
parent 9c2863b53f
commit fcb42e232a
3 changed files with 21 additions and 21 deletions
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20
drivers/usb/renesas_usbhs/fifo.c
View file

@ -46,7 +46,7 @@ static int usbhsf_null_handle(struct usbhs_pkt *pkt, int *is_done)
return -EINVAL;
}
static struct usbhs_pkt_handle usbhsf_null_handler = {
static const struct usbhs_pkt_handle usbhsf_null_handler = {
.prepare = usbhsf_null_handle,
.try_run = usbhsf_null_handle,
};
@ -422,12 +422,12 @@ static int usbhs_dcp_dir_switch_done(struct usbhs_pkt *pkt, int *is_done)
return 0;
}
struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler = {
const struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler = {
.prepare = usbhs_dcp_dir_switch_to_write,
.try_run = usbhs_dcp_dir_switch_done,
};
struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler = {
const struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler = {
.prepare = usbhs_dcp_dir_switch_to_read,
.try_run = usbhs_dcp_dir_switch_done,
};
@ -449,7 +449,7 @@ static int usbhsf_dcp_data_stage_try_push(struct usbhs_pkt *pkt, int *is_done)
return pkt->handler->prepare(pkt, is_done);
}
struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler = {
const struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler = {
.prepare = usbhsf_dcp_data_stage_try_push,
};
@ -488,7 +488,7 @@ static int usbhsf_dcp_data_stage_prepare_pop(struct usbhs_pkt *pkt,
return pkt->handler->prepare(pkt, is_done);
}
struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler = {
const struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler = {
.prepare = usbhsf_dcp_data_stage_prepare_pop,
};
@ -600,7 +600,7 @@ static int usbhsf_pio_prepare_push(struct usbhs_pkt *pkt, int *is_done)
return usbhsf_pio_try_push(pkt, is_done);
}
struct usbhs_pkt_handle usbhs_fifo_pio_push_handler = {
const struct usbhs_pkt_handle usbhs_fifo_pio_push_handler = {
.prepare = usbhsf_pio_prepare_push,
.try_run = usbhsf_pio_try_push,
};
@ -730,7 +730,7 @@ static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done)
return ret;
}
struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler = {
const struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler = {
.prepare = usbhsf_prepare_pop,
.try_run = usbhsf_pio_try_pop,
};
@ -747,7 +747,7 @@ static int usbhsf_ctrl_stage_end(struct usbhs_pkt *pkt, int *is_done)
return 0;
}
struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler = {
const struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler = {
.prepare = usbhsf_ctrl_stage_end,
.try_run = usbhsf_ctrl_stage_end,
};
@ -934,7 +934,7 @@ static int usbhsf_dma_push_done(struct usbhs_pkt *pkt, int *is_done)
return 0;
}
struct usbhs_pkt_handle usbhs_fifo_dma_push_handler = {
const struct usbhs_pkt_handle usbhs_fifo_dma_push_handler = {
.prepare = usbhsf_dma_prepare_push,
.dma_done = usbhsf_dma_push_done,
};
@ -1182,7 +1182,7 @@ static int usbhsf_dma_pop_done(struct usbhs_pkt *pkt, int *is_done)
return usbhsf_dma_pop_done_with_rx_irq(pkt, is_done);
}
struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler = {
const struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler = {
.prepare = usbhsf_dma_prepare_pop,
.try_run = usbhsf_dma_try_pop,
.dma_done = usbhsf_dma_pop_done

20
drivers/usb/renesas_usbhs/fifo.h
View file

@ -54,7 +54,7 @@ struct usbhs_pkt_handle;
struct usbhs_pkt {
struct list_head node;
struct usbhs_pipe *pipe;
struct usbhs_pkt_handle *handler;
const struct usbhs_pkt_handle *handler;
void (*done)(struct usbhs_priv *priv,
struct usbhs_pkt *pkt);
struct work_struct work;
@ -86,18 +86,18 @@ void usbhs_fifo_clear_dcp(struct usbhs_pipe *pipe);
/*
* packet info
*/
extern struct usbhs_pkt_handle usbhs_fifo_pio_push_handler;
extern struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler;
extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
extern const struct usbhs_pkt_handle usbhs_fifo_pio_push_handler;
extern const struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler;
extern const struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
extern struct usbhs_pkt_handle usbhs_fifo_dma_push_handler;
extern struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler;
extern const struct usbhs_pkt_handle usbhs_fifo_dma_push_handler;
extern const struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler;
extern struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler;
extern struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler;
extern const struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler;
extern const struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler;
extern struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler;
extern struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler;
extern const struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler;
extern const struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler;
void usbhs_pkt_init(struct usbhs_pkt *pkt);
void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,

2
drivers/usb/renesas_usbhs/pipe.h
View file

@ -38,7 +38,7 @@ struct usbhs_pipe {
#define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2)
#define USBHS_PIPE_FLAGS_IS_RUNNING (1 << 3)
struct usbhs_pkt_handle *handler;
const struct usbhs_pkt_handle *handler;
void *mod_private;
};