spi: zynq_qspi: Clear the manual start enable in the config

Clear the Manual start enable bit of the config register
during init as this zynq qspi driver implemented to do ops
using auto start and Manual chipselect.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/spi/zynq_qspi.c b/drivers/spi/zynq_qspi.c
index 33fb7234c4c451781d4a02251a2ec5dd58c87eab..aee898770b8aa98e7101b7ba5f865320d298d577 100644 (file)
--- a/drivers/spi/zynq_qspi.c
+++ b/drivers/spi/zynq_qspi.c
@@ -174,7 +174,7 @@ struct zynq_qspi_slave {
  * This function performs the following actions
  *     - Disable and clear all the interrupts
  *     - Enable manual slave select
- *     - Enable manual start
+ *     - Enable auto start
  *     - Deselect all the chip select lines
  *     - Set the size of the word to be transferred as 32 bit
  *     - Set the little endian mode of TX FIFO and
@@ -200,6 +200,7 @@ static void zynq_qspi_init_hw(int is_dual, int is_dio, unsigned int cs)
 
        writel(0x7F, &zynq_qspi_base->isr);
        config_reg = readl(&zynq_qspi_base->confr);
+       config_reg &= ~ZYNQ_QSPI_CONFIG_MSA_MASK;
        config_reg |= ZYNQ_QSPI_CONFIG_IFMODE_MASK |
                ZYNQ_QSPI_CONFIG_MCS_MASK | ZYNQ_QSPI_CONFIG_PCS_MASK |
                ZYNQ_QSPI_CONFIG_FW_MASK | ZYNQ_QSPI_CONFIG_MSTREN_MASK;