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SAMV7 USB: Replace 0 with something a little more informative

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This commit is contained in:
Gregory Nutt 2015-03-25 18:59:59 -06:00
parent 3568dcd22f
commit 8bce3f19d8
1 changed files with 7 additions and 6 deletions
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13
arch/arm/src/samv7/sam_usbdevhs.c
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@ -106,6 +106,7 @@
/* Not yet supported */
#undef CONFIG_SAMV7_USBDEVHS_SCATTERGATHER
#undef CONFIG_SAMV7_USBDEVHS_LOWPOWER
/* Driver Definitions *******************************************************/
/* Initial interrupt mask: Reset + Suspend + Correct Transfer */
@ -573,7 +574,6 @@ static struct sam_dtd_s g_dtdpool[CONFIG_SAMV7_USBDEVHS_NDTDS]
#endif
#endif
/* Device error strings that may be enabled for more desciptive USB trace
* output.
*/
@ -4339,14 +4339,15 @@ static void sam_hw_setup(struct sam_usbdev_s *priv)
# error ERROR: Unrecognized MAINSOSC frequency
#endif
/* UTMI parallel mode, High/Full/Low Speed */
#if 0 /* REVISIT */
#ifdef CONFIG_SAMV7_USBDEVHS_LOWPOWER
/* UTMI Full/Low Speed mode */
sam_putreg(PMC_USBCLK, SAM_PMC_SCER);
#else
/* Disable 48MHz USB FS Clock. It is not used in this configuration */
/* UTMI parallel mode, High/Full/Low Speed
*
* Disable 48MHz USB FS Clock. It is not used in this configuration
*/
sam_putreg(PMC_USBCLK, SAM_PMC_SCDR);
#endif
@ -4357,7 +4358,7 @@ static void sam_hw_setup(struct sam_usbdev_s *priv)
regval = PMC_USB_USBS_UPLL;
#if 0 /* REVISIT */
#ifdef CONFIG_SAMV7_USBDEVHS_LOWPOWER
if ((sam_getreg(SAM_PMC_MCKR) & PMC_MCKR_PLLADIV2) != 0)
{
/* Divider = 480 Mhz / 2 / 48 Mhz = 5 */