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drivers/usbdev_synopsys_dwc2: comments improved

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This commit is contained in:
Gunar Schorcht 2023-07-05 09:29:48 +02:00
parent 6fafdd7e35
commit db52e5fa62
1 changed files with 4 additions and 4 deletions
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8
drivers/usbdev_synopsys_dwc2/usbdev_synopsys_dwc2.c
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@ -745,8 +745,8 @@ static void _usbdev_init(usbdev_t *dev)
pm_block(STM32_PM_STOP);
pm_block(STM32_PM_STANDBY);
#if defined(PWR_CR2_USV) /* on L4 */
/* Validate USB Supply */
#if defined(PWR_CR2_USV)
/* on L4: Validate USB Supply */
PWR->CR2 |= PWR_CR2_USV;
#endif /* PWR_CR2_USV */
@ -1004,10 +1004,10 @@ static void _usbdev_init(usbdev_t *dev)
/* Disable Vbus detection and force the pull-up on, GCCFG is STM32 specific */
#if defined(STM32_USB_OTG_CID_1x)
/* Enable no Vbus sensing */
/* set No Vbus Sensing */
_global_regs(usbdev->config)->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
#elif defined(STM32_USB_OTG_CID_2x)
/* Enable no Vbus Detect enable and enable 'Power Down Disable */
/* clear Vbus Detect Enable */
_global_regs(usbdev->config)->GCCFG |= USB_OTG_GCCFG_VBDEN;
/* Force Vbus Detect values and ID detect values to device mode */
_global_regs(usbdev->config)->GOTGCTL |= USB_OTG_GOTGCTL_VBVALOVAL |