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-rw-r--r--drivers/spi/at25.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/spi/at25.c b/drivers/spi/at25.c
index e007833..290dbe9 100644
--- a/drivers/spi/at25.c
+++ b/drivers/spi/at25.c
@@ -21,6 +21,13 @@
#include <linux/spi/eeprom.h>
+/*
+ * NOTE: this is an *EEPROM* driver. The vagaries of product naming
+ * mean that some AT25 products are EEPROMs, and others are FLASH.
+ * Handle FLASH chips with the drivers/mtd/devices/m25p80.c driver,
+ * not this one!
+ */
+
struct at25_data {
struct spi_device *spi;
struct mutex lock;
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