Xilinx: ARM: spi: zynq: Add QUAD enable bit support for winbond flash

This patch adds support to enable QUAD bit on winbond SPI flash.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

diff --git a/drivers/spi/zynq_qspi_wrap.c b/drivers/spi/zynq_qspi_wrap.c
index 7516f3df8bf3de72a8c69ba93ca1162918ab66f1..bfeb6a1f7f069b167076862b264737adb627fcfd 100644 (file)
--- a/drivers/spi/zynq_qspi_wrap.c
+++ b/drivers/spi/zynq_qspi_wrap.c
@@ -68,7 +68,7 @@ void spi_enable_quad_bit(struct spi_slave *spi)
                return;
        }
 
-       if (idcode[0] == 0x01) {
+       if ((idcode[0] == 0x01) || (idcode[0] == 0xef)) {
                /* Read config register */
                ret = spi_flash_cmd_read(spi, &rcr_cmd, sizeof(rcr_cmd),
                                        &rcr_data, sizeof(rcr_data));