Commit 334bbd4e authored by John Youn's avatar John Youn Committed by Felipe Balbi

usb: dwc2: Move parameter initialization into params.c

Consolidate and move all the parameter initialization code from the
probe function to params.c.
Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent bea8e86c
...@@ -1259,6 +1259,9 @@ extern int dwc2_get_hwparams(struct dwc2_hsotg *hsotg); ...@@ -1259,6 +1259,9 @@ extern int dwc2_get_hwparams(struct dwc2_hsotg *hsotg);
extern int dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg); extern int dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg);
extern int dwc2_lowlevel_hw_disable(struct dwc2_hsotg *hsotg); extern int dwc2_lowlevel_hw_disable(struct dwc2_hsotg *hsotg);
/* Parameters */
int dwc2_init_params(struct dwc2_hsotg *hsotg);
/* /*
* The following functions check the controller's OTG operation mode * The following functions check the controller's OTG operation mode
* capability (GHWCFG2.OTG_MODE). * capability (GHWCFG2.OTG_MODE).
......
...@@ -1123,3 +1123,32 @@ void dwc2_set_all_params(struct dwc2_core_params *params, int value) ...@@ -1123,3 +1123,32 @@ void dwc2_set_all_params(struct dwc2_core_params *params, int value)
for (i = 0; i < size; i++) for (i = 0; i < size; i++)
p[i] = value; p[i] = value;
} }
int dwc2_init_params(struct dwc2_hsotg *hsotg)
{
const struct of_device_id *match;
const struct dwc2_core_params *params;
struct dwc2_core_params defparams;
match = of_match_device(dwc2_of_match_table, hsotg->dev);
if (match && match->data) {
params = match->data;
} else {
/* Default all params to autodetect */
dwc2_set_all_params(&defparams, -1);
params = &defparams;
/*
* Disable descriptor dma mode by default as the HW can support
* it, but does not support it for SPLIT transactions.
* Disable it for FS devices as well.
*/
defparams.dma_desc_enable = 0;
defparams.dma_desc_fs_enable = 0;
}
/* Validate parameter values */
dwc2_set_parameters(hsotg, params);
return 0;
}
...@@ -365,30 +365,10 @@ static void dwc2_driver_shutdown(struct platform_device *dev) ...@@ -365,30 +365,10 @@ static void dwc2_driver_shutdown(struct platform_device *dev)
*/ */
static int dwc2_driver_probe(struct platform_device *dev) static int dwc2_driver_probe(struct platform_device *dev)
{ {
const struct of_device_id *match;
const struct dwc2_core_params *params;
struct dwc2_core_params defparams;
struct dwc2_hsotg *hsotg; struct dwc2_hsotg *hsotg;
struct resource *res; struct resource *res;
int retval; int retval;
match = of_match_device(dwc2_of_match_table, &dev->dev);
if (match && match->data) {
params = match->data;
} else {
/* Default all params to autodetect */
dwc2_set_all_params(&defparams, -1);
params = &defparams;
/*
* Disable descriptor dma mode by default as the HW can support
* it, but does not support it for SPLIT transactions.
* Disable it for FS devices as well.
*/
defparams.dma_desc_enable = 0;
defparams.dma_desc_fs_enable = 0;
}
hsotg = devm_kzalloc(&dev->dev, sizeof(*hsotg), GFP_KERNEL); hsotg = devm_kzalloc(&dev->dev, sizeof(*hsotg), GFP_KERNEL);
if (!hsotg) if (!hsotg)
return -ENOMEM; return -ENOMEM;
...@@ -453,11 +433,12 @@ static int dwc2_driver_probe(struct platform_device *dev) ...@@ -453,11 +433,12 @@ static int dwc2_driver_probe(struct platform_device *dev)
if (retval) if (retval)
goto error; goto error;
/* Validate parameter values */
dwc2_set_parameters(hsotg, params);
dwc2_force_dr_mode(hsotg); dwc2_force_dr_mode(hsotg);
retval = dwc2_init_params(hsotg);
if (retval)
goto error;
if (hsotg->dr_mode != USB_DR_MODE_HOST) { if (hsotg->dr_mode != USB_DR_MODE_HOST) {
retval = dwc2_gadget_init(hsotg, hsotg->irq); retval = dwc2_gadget_init(hsotg, hsotg->irq);
if (retval) if (retval)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment