[PATCH v4 4/5] mtd: mchp23k256: add partitioning support

From: Chris Packham
Date: Wed May 24 2017 - 19:50:54 EST


Setting the of_node for the mtd device allows the generic mtd code to
setup the partitions. Additionally we must specify a non-zero erasesize
for the partitions to be writeable.

Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Tested-by: Andrew Lunn <andrew@xxxxxxx>
---
Changes in v2
- collect revew/test from Andrew
Changes in v3:
- remove setting of erasesize
Changes in v4:
- none

drivers/mtd/devices/mchp23k256.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/devices/mchp23k256.c b/drivers/mtd/devices/mchp23k256.c
index 2542f5b8b63f..3e5feb454644 100644
--- a/drivers/mtd/devices/mchp23k256.c
+++ b/drivers/mtd/devices/mchp23k256.c
@@ -143,6 +143,7 @@ static int mchp23k256_probe(struct spi_device *spi)

data = dev_get_platdata(&spi->dev);

+ mtd_set_of_node(&flash->mtd, spi->dev.of_node);
flash->mtd.dev.parent = &spi->dev;
flash->mtd.type = MTD_RAM;
flash->mtd.flags = MTD_CAP_RAM;
--
2.13.0