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| author | Gregory Nutt <gnutt@nuttx.org> | 2015-03-25 18:59:59 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2015-03-25 18:59:59 -0600 |
| commit | eec3f57648eb32a66672e229c48665f3ec968793 (patch) | |
| tree | aaa525aec1fa4263237bcfb35a6b6f16b1f473fc /nuttx/arch | |
| parent | 9000f4987df6619c107327657de4015fc77482dc (diff) | |
| download | px4-nuttx-eec3f57648eb32a66672e229c48665f3ec968793.tar.gz px4-nuttx-eec3f57648eb32a66672e229c48665f3ec968793.tar.bz2 px4-nuttx-eec3f57648eb32a66672e229c48665f3ec968793.zip | |
SAMV7 USB: Replace 0 with something a little more informative
Diffstat (limited to 'nuttx/arch')
| -rw-r--r-- | nuttx/arch/arm/src/samv7/sam_usbdevhs.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/nuttx/arch/arm/src/samv7/sam_usbdevhs.c b/nuttx/arch/arm/src/samv7/sam_usbdevhs.c index 5db207aef..cb4bdd4ad 100644 --- a/nuttx/arch/arm/src/samv7/sam_usbdevhs.c +++ b/nuttx/arch/arm/src/samv7/sam_usbdevhs.c @@ -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 */ |