Author: mizhka Date: Tue Dec 13 10:03:29 2016 New Revision: 310018 URL: https://svnweb.freebsd.org/changeset/base/310018
Log: [gpiospi] add clock delay to avoid smashing of bits Submitted by: Hiroki Mori <yamor...@yahoo.co.jp> Reviewed by: loos, ray, mizhka MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D8749 Modified: head/sys/dev/gpio/gpiospi.c Modified: head/sys/dev/gpio/gpiospi.c ============================================================================== --- head/sys/dev/gpio/gpiospi.c Tue Dec 13 09:53:43 2016 (r310017) +++ head/sys/dev/gpio/gpiospi.c Tue Dec 13 10:03:29 2016 (r310018) @@ -293,6 +293,7 @@ gpio_spi_txrx(struct gpio_spi_softc *sc, gpio_delay(sc); GPIOBUS_PIN_SET(sc->sc_busdev, sc->sc_dev, sc->sc_sclk, 1); + gpio_delay(sc); } else { /* If mode 0 or 3 */ @@ -312,6 +313,7 @@ gpio_spi_txrx(struct gpio_spi_softc *sc, gpio_delay(sc); GPIOBUS_PIN_SET(sc->sc_busdev, sc->sc_dev, sc->sc_sclk, 0); + gpio_delay(sc); } } _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
