diff options
| -rw-r--r-- | drivers/usb/dwc3/dwc3-omap.c | 39 |
1 files changed, 7 insertions, 32 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 4af4c35..25a6075 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -77,10 +77,6 @@ #define USBOTGSS_DEV_EBC_EN 0x0110 #define USBOTGSS_DEBUG_OFFSET 0x0600 -/* REVISION REGISTER */ -#define USBOTGSS_REVISION_XMAJOR(reg) ((reg >> 8) & 0x7) -#define USBOTGSS_REVISION_XMAJOR1 1 -#define USBOTGSS_REVISION_XMAJOR2 2 /* SYSCONFIG REGISTER */ #define USBOTGSS_SYSCONFIG_DMADISABLE (1 << 16) @@ -129,7 +125,6 @@ struct dwc3_omap { u32 irq_eoi_offset; u32 debug_offset; u32 irq0_offset; - u32 revision; u32 dma_status:1; @@ -397,7 +392,6 @@ static int dwc3_omap_probe(struct platform_device *pdev) int irq; int utmi_mode = 0; - int x_major; u32 reg; @@ -448,32 +442,13 @@ static int dwc3_omap_probe(struct platform_device *pdev) goto err0; } - reg = dwc3_omap_readl(omap->base, USBOTGSS_REVISION); - omap->revision = reg; - x_major = USBOTGSS_REVISION_XMAJOR(reg); - - /* Differentiate between OMAP5 and AM437x */ - switch (x_major) { - case USBOTGSS_REVISION_XMAJOR1: - case USBOTGSS_REVISION_XMAJOR2: - omap->irq_eoi_offset = 0; - omap->irq0_offset = 0; - omap->irqmisc_offset = 0; - omap->utmi_otg_offset = 0; - omap->debug_offset = 0; - break; - default: - /* Default to the latest revision */ - omap->irq_eoi_offset = USBOTGSS_EOI_OFFSET; - omap->irq0_offset = USBOTGSS_IRQ0_OFFSET; - omap->irqmisc_offset = USBOTGSS_IRQMISC_OFFSET; - omap->utmi_otg_offset = USBOTGSS_UTMI_OTG_OFFSET; - omap->debug_offset = USBOTGSS_DEBUG_OFFSET; - break; - } - - /* For OMAP5(ES2.0) and AM437x x_major is 2 even though there are - * changes in wrapper registers, Using dt compatible for aegis + /* + * Differentiate between OMAP5 and AM437x. + * + * For OMAP5(ES2.0) and AM437x wrapper revision is same, even + * though there are changes in wrapper register offsets. + * + * Using dt compatible to differentiate AM437x. */ if (of_device_is_compatible(node, "ti,am437x-dwc3")) { |