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-rw-r--r--drivers/mtd/spi-nor/core.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index 0522304f52fa..4a315cb1c4db 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -2336,11 +2336,8 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
* If page_size is a power of two, the offset can be quickly
* calculated with an AND operation. On the other cases we
* need to do a modulus operation (more expensive).
- * Power of two numbers have only one bit set and we can use
- * the instruction hweight32 to detect if we need to do a
- * modulus (do_div()) or not.
*/
- if (hweight32(nor->page_size) == 1) {
+ if (is_power_of_2(nor->page_size)) {
page_offset = addr & (nor->page_size - 1);
} else {
uint64_t aux = addr;