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The controller may receive instructions of accessing protected address,
or may perform failed page program. These operations will not succeed
and the controller will receive interrupts when such failure occur.
Previously we don't check the interrupts and return 0 even if such
operation fails.
Check the interrupts after per command and inform the user
if there is an error.
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Acked-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1587109707-23597-1-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The Huawei D06 board (and variants) can support Quad mode of operation.
Since we have no current method in ACPI SPI bus device resource description
to describe this information, use DMI to detect the board, and set the
controller buswidth override bits.
Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1582903131-160033-4-git-send-email-john.garry@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The CMD_CONFIG register memory interface type field is not set configured
for Dual and Quad modes, so set appropriately.
This was not detected previously as we only ever operated in standard SPI
mode.
Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1582903131-160033-3-git-send-email-john.garry@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add the driver for the HiSilicon v3xx SPI NOR flash controller, commonly
found in hi16xx chipsets.
This is a different controller than that in drivers/mtd/spi-nor/hisi-sfc.c;
indeed, the naming for that driver is poor, since it is really known as
FMC, and can support other memory technologies.
The driver module name is "hisi-sfc-v3xx", as recommended by HW designer,
being an attempt to provide a distinct name - v3xx being the unique
controller versioning.
Only ACPI firmware is supported.
DMA is not supported, and we just use polling mode for operation
completion notification.
The driver uses the SPI MEM OPs.
Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1575900490-74467-3-git-send-email-john.garry@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
