diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/omap3_spi.c | 11 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_udc.c | 11 |
2 files changed, 15 insertions, 7 deletions
diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index e40a632ca..6791a7e0e 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -173,14 +173,13 @@ int spi_claim_bus(struct spi_slave *slave) /* standard 4-wire master mode: SCK, MOSI/out, MISO/in, nCS * REVISIT: this controller could support SPI_3WIRE mode. */ -#ifdef CONFIG_AM33XX +#ifdef CONFIG_OMAP3_SPI_D0_D1_SWAPPED /* - * The reference design on AM33xx has D0 and D1 wired up opposite - * of how it has been done on previous platforms. We assume that - * custom hardware will also follow this convention. + * Some boards have D0 wired as MOSI / D1 as MISO instead of + * The normal D0 as MISO / D1 as MOSI. */ - conf &= OMAP3_MCSPI_CHCONF_DPE0; - conf |= ~(OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1); + conf &= ~OMAP3_MCSPI_CHCONF_DPE0; + conf |= OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1; #else conf &= ~(OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1); conf |= OMAP3_MCSPI_CHCONF_DPE0; diff --git a/drivers/usb/musb/musb_udc.c b/drivers/usb/musb/musb_udc.c index 09cdec31a..e0b4217dc 100644 --- a/drivers/usb/musb/musb_udc.c +++ b/drivers/usb/musb/musb_udc.c @@ -640,8 +640,17 @@ static void musb_peri_ep0(void) static void musb_peri_rx_ep(unsigned int ep) { - u16 peri_rxcount = readw(&musbr->ep[ep].epN.rxcount); + u16 peri_rxcount; + u8 peri_rxcsr = readw(&musbr->ep[ep].epN.rxcsr); + if (!(peri_rxcsr & MUSB_RXCSR_RXPKTRDY)) { + if (debug_level > 0) + serial_printf("ERROR : %s %d without MUSB_RXCSR_RXPKTRDY set\n", + __PRETTY_FUNCTION__, ep); + return; + } + + peri_rxcount = readw(&musbr->ep[ep].epN.rxcount); if (peri_rxcount) { struct usb_endpoint_instance *endpoint; u32 length; |