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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:44:11 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:36 -0700 |
| commit | e15af8e2cdb169b59945145a118a344b52d0ffa2 (patch) | |
| tree | 4baaed94c2b8f932d445b661556b4dd95c0adabf | |
| parent | 183a3a0f67162a2ac1f0f4c48288417c5a6e8538 (diff) | |
| download | talos-obmc-uboot-e15af8e2cdb169b59945145a118a344b52d0ffa2.tar.gz talos-obmc-uboot-e15af8e2cdb169b59945145a118a344b52d0ffa2.zip | |
rockchip: spi: Correct chip-enable code
At present there is an incorrect call to rkspi_enable_chip(). It should
be disabling the chip, not enabling it. Correct this and ensure that the
chip is disabled when releasing the bus.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/spi/rk_spi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/spi/rk_spi.c b/drivers/spi/rk_spi.c index 35b528fa59..412fa8ba76 100644 --- a/drivers/spi/rk_spi.c +++ b/drivers/spi/rk_spi.c @@ -286,6 +286,11 @@ static int rockchip_spi_claim_bus(struct udevice *dev) static int rockchip_spi_release_bus(struct udevice *dev) { + struct udevice *bus = dev->parent; + struct rockchip_spi_priv *priv = dev_get_priv(bus); + + rkspi_enable_chip(priv->regs, false); + return 0; } @@ -314,7 +319,7 @@ static int rockchip_spi_xfer(struct udevice *dev, unsigned int bitlen, while (len > 0) { int todo = min(len, 0xffff); - rkspi_enable_chip(regs, true); + rkspi_enable_chip(regs, false); writel(todo - 1, ®s->ctrlr1); rkspi_enable_chip(regs, true); |
