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usb: dwc2: set parameter values in probe function

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So the parameters can be used in both host and gadget modes.
Also consolidate param functions in the core.h

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Mian Yousaf Kaukab
2015-04-29 22:09:05 +02:00
committed by Felipe Balbi
parent a6d249d837
commit ecb176c63a
5 changed files with 47 additions and 45 deletions
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36
drivers/usb/dwc2/hcd.c
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@@ -2748,8 +2748,6 @@ static void dwc2_hcd_free(struct dwc2_hsotg *hsotg)
destroy_workqueue(hsotg->wq_otg);
}
kfree(hsotg->core_params);
hsotg->core_params = NULL;
del_timer(&hsotg->wkp_timer);
}
@@ -2761,30 +2759,13 @@ static void dwc2_hcd_release(struct dwc2_hsotg *hsotg)
dwc2_hcd_free(hsotg);
}
/*
* Sets all parameters to the given value.
*
* Assumes that the dwc2_core_params struct contains only integers.
*/
void dwc2_set_all_params(struct dwc2_core_params *params, int value)
{
int *p = (int *)params;
size_t size = sizeof(*params) / sizeof(*p);
int i;
for (i = 0; i < size; i++)
p[i] = value;
}
EXPORT_SYMBOL_GPL(dwc2_set_all_params);
/*
* Initializes the HCD. This function allocates memory for and initializes the
* static parts of the usb_hcd and dwc2_hsotg structures. It also registers the
* USB bus with the core and calls the hc_driver->start() function. It returns
* a negative error on failure.
*/
int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
const struct dwc2_core_params *params)
int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
{
struct usb_hcd *hcd;
struct dwc2_host_chan *channel;
@@ -2797,12 +2778,6 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
dev_dbg(hsotg->dev, "DWC OTG HCD INIT\n");
/* Detect config values from hardware */
retval = dwc2_get_hwparams(hsotg);
if (retval)
return retval;
retval = -ENOMEM;
hcfg = readl(hsotg->regs + HCFG);
@@ -2821,15 +2796,6 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
hsotg->last_frame_num = HFNUM_MAX_FRNUM;
#endif
hsotg->core_params = kzalloc(sizeof(*hsotg->core_params), GFP_KERNEL);
if (!hsotg->core_params)
goto error1;
dwc2_set_all_params(hsotg->core_params, -1);
/* Validate parameter values */
dwc2_set_parameters(hsotg, params);
/* Check if the bus driver or platform code has setup a dma_mask */
if (hsotg->core_params->dma_enable > 0 &&
hsotg->dev->dma_mask == NULL) {