mtd: spi-nor: micron-st: Remove status polling on volatile registers write

Writing volatile registers are instant according to Micron and do not
need any status polling. Remove status polling on volatile registers write.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20220420103427.47867-12-tudor.ambarus@microchip.com

diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c
index 61db489..a96f74e 100644 (file)
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -60,9 +60,6 @@ static int micron_st_nor_octal_dtr_en(struct spi_nor *nor)
        ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto);
        if (ret)
                return ret;
-       ret = spi_nor_wait_till_ready(nor);
-       if (ret)
-               return ret;
 
        buf[0] = SPINOR_MT_OCT_DTR;
        op = (struct spi_mem_op)