spi: spi-zynqmp-gqspi: Remove txfifo empty check during chip select/d…

…eselect

For selecting/delecting a slave device, the driver only fills the
GENFIFO and no data is pushed on the TXFIFO, so removed the TXFIFO
EMPTY check.

Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@xilinx.com>
State: pending

drivers/spi/spi-zynqmp-gqspi.c

@@ -532,8 +532,7 @@ static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)
 	do {
 		statusreg = zynqmp_gqspi_read(xqspi, GQSPI_ISR_OFST);
 
-		if ((statusreg & GQSPI_ISR_GENFIFOEMPTY_MASK) &&
-		    (statusreg & GQSPI_ISR_TXEMPTY_MASK))
+		if (statusreg & GQSPI_ISR_GENFIFOEMPTY_MASK)
 			break;
 		cpu_relax();
 	} while (!time_after_eq(jiffies, timeout));