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staging: dwc2: add const to handling of dwc2_core_params

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Now the functions use proper const annotations, the global variable with
default params can be marked const, which prevents these values from
being changed for a specific device (in theory there could be multiple
controllers with different settings, for example).

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
[matthijs@stdin.nl: Split patch from bigger patch, marked
		    dwc2_module_params in pci.c as const and added
		    commit message]
Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stephen Warren 2013-04-29 19:49:08 +00:00 committed by Greg Kroah-Hartman
parent 1208605f1a
commit 90dbceafe8
4 changed files with 5 additions and 5 deletions
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2
drivers/staging/dwc2/core.c
View file

@ -2642,7 +2642,7 @@ int dwc2_set_param_otg_ver(struct dwc2_hsotg *hsotg, int val)
* for the DWC_otg core. It returns non-0 if any parameters are invalid.
*/
int dwc2_set_parameters(struct dwc2_hsotg *hsotg,
struct dwc2_core_params *params)
const struct dwc2_core_params *params)
{
int retval = 0;

2
drivers/staging/dwc2/hcd.c
View file

@ -2701,7 +2701,7 @@ EXPORT_SYMBOL_GPL(dwc2_set_all_params);
* a negative error on failure.
*/
int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
struct dwc2_core_params *params)
const struct dwc2_core_params *params)
{
struct usb_hcd *hcd;
struct dwc2_host_chan *channel;

4
drivers/staging/dwc2/hcd.h
View file

@ -448,10 +448,10 @@ static inline u8 dwc2_hcd_is_pipe_out(struct dwc2_hcd_pipe_info *pipe)
}
extern int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
struct dwc2_core_params *params);
const struct dwc2_core_params *params);
extern void dwc2_hcd_remove(struct dwc2_hsotg *hsotg);
extern int dwc2_set_parameters(struct dwc2_hsotg *hsotg,
struct dwc2_core_params *params);
const struct dwc2_core_params *params);
extern void dwc2_set_all_params(struct dwc2_core_params *params, int value);
/* Transaction Execution Functions */

2
drivers/staging/dwc2/pci.c
View file

@ -59,7 +59,7 @@
static const char dwc2_driver_name[] = "dwc2";
static struct dwc2_core_params dwc2_module_params = {
static const struct dwc2_core_params dwc2_module_params = {
.otg_cap = -1,
.otg_ver = -1,
.dma_enable = -1,