diff options
| -rw-r--r-- | realtek_mst_i2c_spi.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/realtek_mst_i2c_spi.c b/realtek_mst_i2c_spi.c index dabec70b5..3e84b2381 100644 --- a/realtek_mst_i2c_spi.c +++ b/realtek_mst_i2c_spi.c @@ -330,9 +330,9 @@ static int realtek_mst_i2c_spi_read(struct flashctx *flash, uint8_t *buf, start--; ret |= realtek_mst_i2c_spi_write_register(fd, 0x60, 0x46); // ** ret |= realtek_mst_i2c_spi_write_register(fd, 0x61, OPCODE_READ); - uint8_t block_idx = start >> 16; - uint8_t page_idx = start >> 8; - uint8_t byte_idx = start; + uint8_t block_idx = (start >> 16) & 0xff; + uint8_t page_idx = (start >> 8) & 0xff; + uint8_t byte_idx = start & 0xff; ret |= realtek_mst_i2c_spi_map_page(fd, block_idx, page_idx, byte_idx); ret |= realtek_mst_i2c_spi_write_register(fd, 0x6a, 0x03); ret |= realtek_mst_i2c_spi_write_register(fd, 0x60, 0x47); // ** @@ -384,9 +384,9 @@ static int realtek_mst_i2c_spi_write_256(struct flashctx *flash, const uint8_t * uint16_t page_len = min(len - i, PAGE_SIZE); if (len - i < PAGE_SIZE) ret |= realtek_mst_i2c_spi_write_register(fd, 0x71, page_len-1); - uint8_t block_idx = (start + i) >> 16; - uint8_t page_idx = (start + i) >> 8; - uint8_t byte_idx = start + i; + uint8_t block_idx = ((start + i) >> 16) & 0xff; + uint8_t page_idx = ((start + i) >> 8) & 0xff; + uint8_t byte_idx = (start + i) & 0xff; ret |= realtek_mst_i2c_spi_map_page(fd, block_idx, page_idx, byte_idx); if (ret) break; |