Merge series "mtd: spi-nor: Move cadence-qaudspi to spi-mem framework" from Vignesh Raghavendra <vigneshr@ti.com>:

This series is a subset of "[PATCH v12 0/4] spi: cadence-quadspi: Add
support for the Cadence QSPI controller" by Ramuthevar,Vadivel MuruganX
<vadivel.muruganx.ramuthevar@linux.intel.com> that intended to move
cadence-quadspi driver to spi-mem framework

Those patches were trying to accomplish too many things in a single set
of patches and need to split into smaller patches. This is reduced
version of above series.

Changes that are intended to make migration easy are split into separate
patches. Patches 1 to 3 drop features that cannot be supported under
spi-mem at the moment (backward compatibility is maintained).
Patch 4-5 are trivial cleanups. Patch 6 does the actual conversion to
spi-mem and patch 7 moves the driver to drivers/spi folder.

I have tested both INDAC mode (used by non TI platforms like Altera
SoCFPGA) and DAC mode (used by TI platforms) on TI EVMs.

Patches to move move bindings over to
"Documentation/devicetree/bindings/spi/" directory and also conversion
of bindig doc to YAML will be posted separately.  Support for Intel
platform would follow that.

Resend v3:
Rebased onto v5.7-c1

v3:
Split handling of probe deferral into separate patch (out of 5/6)
Split dropping of redundant WREN to separate patch (out of 5/6)
Fix a possible memleak due to lack of spi_master_put()
Parse all SPI slave nodes in cqspi_setup_flash()
Address misc comments from Tudor on v2
Rebase onto latest spi-nor/next

v2:
Rework patch 1/6 to keep "cdns,is-decoded-cs" property supported.

Ramuthevar Vadivel Murugan (2):
  mtd: spi-nor: Convert cadence-quadspi to use spi-mem framework
  spi: Move cadence-quadspi driver to drivers/spi/

Vignesh Raghavendra (6):
  mtd: spi-nor: cadence-quadspi: Make driver independent of flash
    geometry
  mtd: spi-nor: cadence-quadspi: Provide a way to disable DAC mode
  mtd: spi-nor: cadence-quadspi: Don't initialize rx_dma_complete on
    failure
  mtd: spi-nor: cadence-quadspi: Fix error path on failure to acquire
    reset lines
  mtd: spi-nor: cadence-quadspi: Handle probe deferral while requesting
    DMA channel
  mtd: spi-nor: cadence-quadspi: Drop redundant WREN in erase path

 drivers/mtd/spi-nor/controllers/Kconfig       |  11 -
 drivers/mtd/spi-nor/controllers/Makefile      |   1 -
 drivers/spi/Kconfig                           |  11 +
 drivers/spi/Makefile                          |   1 +
 .../spi-cadence-quadspi.c}                    | 541 +++++++-----------
 5 files changed, 222 insertions(+), 343 deletions(-)
 rename drivers/{mtd/spi-nor/controllers/cadence-quadspi.c => spi/spi-cadence-quadspi.c} (74%)

base-commit: b3a9e3b9622ae10064826dccb4f7a52bd88c7407

--
2.26.2

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1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 44cdd1e40183..cf955ea803cd 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_SPI_BCM_QSPI)		+= spi-iproc-qspi.o spi-brcmstb-qspi.o spi-bcm-qspi.
 obj-$(CONFIG_SPI_BITBANG)		+= spi-bitbang.o
 obj-$(CONFIG_SPI_BUTTERFLY)		+= spi-butterfly.o
 obj-$(CONFIG_SPI_CADENCE)		+= spi-cadence.o
+obj-$(CONFIG_SPI_CADENCE_QUADSPI)	+= spi-cadence-quadspi.o
 obj-$(CONFIG_SPI_CLPS711X)		+= spi-clps711x.o
 obj-$(CONFIG_SPI_COLDFIRE_QSPI)		+= spi-coldfire-qspi.o
 obj-$(CONFIG_SPI_DAVINCI)		+= spi-davinci.o