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eeprom: at25: allow page sizes greater than 16 bit

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Storage technologies like FRAM have no "write pages", the whole chip can
be written within one SPI transfer. For these chips, the page size can
be set equal to the device size. Currently available devices are already
bigger than 64 kiB.

Signed-off-by: Christian Eggers <ceggers@arri.de>
Link: https://lore.kernel.org/r/20200727111218.26926-1-ceggers@arri.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Eggers
2020-07-27 13:12:18 +02:00
committed by Greg Kroah-Hartman
parent d162219c65
commit d3cd0071a8
2 changed files with 2 additions and 2 deletions
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2
drivers/misc/eeprom/at25.c
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@@ -261,7 +261,7 @@ static int at25_fw_to_chip(struct device *dev, struct spi_eeprom *chip)
if (device_property_read_u32(dev, "pagesize", &val) == 0 ||
device_property_read_u32(dev, "at25,page-size", &val) == 0) {
chip->page_size = (u16)val;
chip->page_size = val;
} else {
dev_err(dev, "Error: missing \"pagesize\" property\n");
return -ENODEV;