diff options
Diffstat (limited to 'drivers/spi/spi-zynq-qspi.c')
| -rw-r--r-- | drivers/spi/spi-zynq-qspi.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/spi/spi-zynq-qspi.c b/drivers/spi/spi-zynq-qspi.c index dee9c339a35e..5caf0abf3763 100644 --- a/drivers/spi/spi-zynq-qspi.c +++ b/drivers/spi/spi-zynq-qspi.c @@ -379,12 +379,21 @@ static int zynq_qspi_setup_op(struct spi_device *spi) { struct spi_controller *ctlr = spi->controller; struct zynq_qspi *qspi = spi_controller_get_devdata(ctlr); + int ret; if (ctlr->busy) return -EBUSY; - clk_enable(qspi->refclk); - clk_enable(qspi->pclk); + ret = clk_enable(qspi->refclk); + if (ret) + return ret; + + ret = clk_enable(qspi->pclk); + if (ret) { + clk_disable(qspi->refclk); + return ret; + } + zynq_qspi_write(qspi, ZYNQ_QSPI_ENABLE_OFFSET, ZYNQ_QSPI_ENABLE_ENABLE_MASK); |