Date: Thu, 4 Dec 2008 18:58:19 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 154057 for review Message-ID: <200812041858.mB4IwJa4011278@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=154057 Change 154057 by hselasky@hselasky_laptop001 on 2008/12/04 18:58:02 Patch from "Ian Lepore" to support proper decoding of MSR bits. Affected files ... .. //depot/projects/usb/src/sys/dev/usb2/serial/uftdi2.c#12 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb2/serial/uftdi2.c#12 (text+ko) ==== @@ -470,6 +470,7 @@ { struct uftdi_softc *sc = xfer->priv_sc; uint8_t buf[2]; + uint8_t ftdi_msr; uint8_t msr; uint8_t lsr; @@ -481,9 +482,19 @@ } usb2_copy_out(xfer->frbuffers, 0, buf, 2); - msr = FTDI_GET_MSR(buf); + ftdi_msr = FTDI_GET_MSR(buf); lsr = FTDI_GET_LSR(buf); + msr = 0; + if (ftdi_msr & FTDI_SIO_CTS_MASK) + msr |= SER_CTS; + if (ftdi_msr & FTDI_SIO_DSR_MASK) + msr |= SER_DSR; + if (ftdi_msr & FTDI_SIO_RI_MASK) + msr |= SER_RI; + if (ftdi_msr & FTDI_SIO_RLSD_MASK) + msr |= SER_DCD; + if ((sc->sc_msr != msr) || ((sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK))) { DPRINTF("status change msr=0x%02x (0x%02x) "
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