Date: Tue, 13 Dec 2016 10:03:29 +0000 (UTC) From: Michael Zhilin <mizhka@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r310018 - head/sys/dev/gpio Message-ID: <201612131003.uBDA3T3Z049839@repo.freebsd.org>
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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 <yamori83@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); } }
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