From: Jagan Teki Date: Mon, 7 Sep 2015 20:09:44 +0000 (+0530) Subject: spi: zynq_qspi: Fix to configure CPOL, CPHA mask X-Git-Tag: v2016.01-rc1~155^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2775e91835638031d1134176d536ac2946fc5e6b;p=platform%2Fkernel%2Fu-boot.git spi: zynq_qspi: Fix to configure CPOL, CPHA mask priv->mode is initialized when .set_speed triggers with mode value, so checking mode for configuring CPOL, CPHA using priv->mode is invalid hence use mode from .set_speed argument, and at the end priv->mode will initialized with mode. This patch also replaces formatting string to use speed instead of mode in .set_speed ops. Signed-off-by: Jagan Teki --- diff --git a/drivers/spi/zynq_qspi.c b/drivers/spi/zynq_qspi.c index 0ce6127..8aa61d7 100644 --- a/drivers/spi/zynq_qspi.c +++ b/drivers/spi/zynq_qspi.c @@ -569,7 +569,8 @@ static int zynq_qspi_set_speed(struct udevice *bus, uint speed) writel(confr, ®s->cr); priv->freq = speed; - debug("zynq_spi_set_speed: regs=%p, mode=%d\n", priv->regs, priv->freq); + debug("zynq_spi_set_speed: regs=%p, speed=%d\n", + priv->regs, priv->freq); return 0; } @@ -584,9 +585,9 @@ static int zynq_qspi_set_mode(struct udevice *bus, uint mode) confr = readl(®s->cr); confr &= ~(ZYNQ_QSPI_CR_CPHA_MASK | ZYNQ_QSPI_CR_CPOL_MASK); - if (priv->mode & SPI_CPHA) + if (mode & SPI_CPHA) confr |= ZYNQ_QSPI_CR_CPHA_MASK; - if (priv->mode & SPI_CPOL) + if (mode & SPI_CPOL) confr |= ZYNQ_QSPI_CR_CPOL_MASK; writel(confr, ®s->cr);