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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 88a21f5d2f
commit 59ad69ba2e
1 changed files with 7 additions and 6 deletions
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arch/arm/src/samv7/sam_usbdevhs.c
+7 -6
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@@ -106,6 +106,7 @@
/* Not yet supported */ /* Not yet supported */
#undef CONFIG_SAMV7_USBDEVHS_SCATTERGATHER #undef CONFIG_SAMV7_USBDEVHS_SCATTERGATHER
#undef CONFIG_SAMV7_USBDEVHS_LOWPOWER
/* Driver Definitions *******************************************************/ /* Driver Definitions *******************************************************/
/* Initial interrupt mask: Reset + Suspend + Correct Transfer */ /* Initial interrupt mask: Reset + Suspend + Correct Transfer */
@@ -573,7 +574,6 @@ static struct sam_dtd_s g_dtdpool[CONFIG_SAMV7_USBDEVHS_NDTDS]
#endif #endif
#endif #endif
/* Device error strings that may be enabled for more desciptive USB trace /* Device error strings that may be enabled for more desciptive USB trace
* output. * output.
*/ */
@@ -4339,14 +4339,15 @@ static void sam_hw_setup(struct sam_usbdev_s *priv)
# error ERROR: Unrecognized MAINSOSC frequency # error ERROR: Unrecognized MAINSOSC frequency
#endif #endif
/* UTMI parallel mode, High/Full/Low Speed */ #ifdef CONFIG_SAMV7_USBDEVHS_LOWPOWER
#if 0 /* REVISIT */
/* UTMI Full/Low Speed mode */ /* UTMI Full/Low Speed mode */
sam_putreg(PMC_USBCLK, SAM_PMC_SCER); sam_putreg(PMC_USBCLK, SAM_PMC_SCER);
#else #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); sam_putreg(PMC_USBCLK, SAM_PMC_SCDR);
#endif #endif
@@ -4357,7 +4358,7 @@ static void sam_hw_setup(struct sam_usbdev_s *priv)
regval = PMC_USB_USBS_UPLL; regval = PMC_USB_USBS_UPLL;
#if 0 /* REVISIT */ #ifdef CONFIG_SAMV7_USBDEVHS_LOWPOWER
if ((sam_getreg(SAM_PMC_MCKR) & PMC_MCKR_PLLADIV2) != 0) if ((sam_getreg(SAM_PMC_MCKR) & PMC_MCKR_PLLADIV2) != 0)
{ {
/* Divider = 480 Mhz / 2 / 48 Mhz = 5 */ /* Divider = 480 Mhz / 2 / 48 Mhz = 5 */