From: Hou Zhiqiang <zhiqiang....@nxp.com>
Implement .shutdown function to restore the status in reboot
process, and add the same operation to the .remove function.
Signed-off-by: Hou Zhiqiang <zhiqiang....@nxp.com>
---
V2:
- Changed code format slightly.
drivers/mtd/devices/m25p80.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index dbe6a1de2bb8..a4e18f6aaa33 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -307,10 +307,18 @@ static int m25p_remove(struct spi_device *spi)
{
struct m25p *flash = spi_get_drvdata(spi);
+ spi_nor_restore(&flash->spi_nor);
+
/* Clean up MTD stuff. */
return mtd_device_unregister(&flash->spi_nor.mtd);
}
+static void m25p_shutdown(struct spi_device *spi)
+{
+ struct m25p *flash = spi_get_drvdata(spi);
+
+ spi_nor_restore(&flash->spi_nor);
+}
/*
* Do NOT add to this array without reading the following:
*
@@ -386,6 +394,7 @@ static struct spi_driver m25p80_driver = {
.id_table = m25p_ids,
.probe = m25p_probe,
.remove = m25p_remove,
+ .shutdown = m25p_shutdown,
/* REVISIT: many of these chips have deep power-down modes, which
* should clearly be entered on suspend() to minimize power use.
--
2.14.1
