[v3,0/3] Add octal DTR support for Macronix flash

Message

Zhengxun Li April 20, 2021, 6:29 a.m. UTC

This series adds support for Octal DTR for Macronix flashes. The
first set of patches is add Macronix octal dtr mode support. The
second set of patches add Macronix octaflash series support. The
last add the Octal DTR mode support for host driver.

Changes in v3:
- Add support for Macronix octaflash series.

Changes in v2:
- Define with a generic name to describe the maximum dummy cycles.
- Compare the ID directly in the loop, no longer copy and execute
  memcmp().
- Add spi_mem_dtr_supports_op() to support dtr operation.

Zhengxun Li (3):
  mtd: spi-nor: macronix: add support for Macronix octal dtr operation
  mtd: spi-nor: macronix: add support for Macronix octaflash series
  spi: mxic: patch for octal DTR mode support

 drivers/mtd/spi-nor/macronix.c | 217 +++++++++++++++++++++++++++++++++++++++++
 drivers/spi/spi-mxic.c         |  41 +++++---
 2 files changed, 247 insertions(+), 11 deletions(-)