[PATCH v3 4/7] mtd: spinand: add start_page to otp layout
Martin Kurbanov
mmkurbanov at salutedevices.com
Thu Dec 26 05:55:49 PST 2024
The OTP area is divided into two parts: the factory and the user.
In SPI-NAND, it is usually this one OTP region: the first few pages are
allocated to the factory area. Therefore, enter the start_page field,
which indicates from which page the custom OTP region starts.
Signed-off-by: Martin Kurbanov <mmkurbanov at salutedevices.com>
---
include/linux/mtd/spinand.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h
index 19d76057c0444..d6dbb85094283 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -325,9 +325,11 @@ struct spinand_ondie_ecc_conf {
/**
* struct spinand_otp_layout - structure to describe the SPI NAND OTP area
* @npages: number of pages in the OTP
+ * @start_page: start page of the user OTP area.
*/
struct spinand_otp_layout {
unsigned int npages;
+ unsigned int start_page;
};
/**
@@ -417,10 +419,11 @@ struct spinand_info {
#define SPINAND_SELECT_TARGET(__func) \
.select_target = __func,
-#define SPINAND_OTP_INFO(__npages, __ops) \
+#define SPINAND_OTP_INFO(__npages, __start_page, __ops) \
.otp = { \
.layout = { \
.npages = __npages, \
+ .start_page = __start_page, \
}, \
.ops = __ops, \
}
--
2.43.0
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