diff options
Diffstat (limited to 'include/linux/mtd/spi-nor.h')
| -rw-r--r-- | include/linux/mtd/spi-nor.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index a3f8cdca90c8..82547b4b3708 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -343,6 +343,12 @@ struct spi_nor_flash_parameter; * struct spi_nor - Structure for defining the SPI NOR layer * @mtd: an mtd_info structure * @lock: the lock for the read/write/erase/lock/unlock operations + * @rww: Read-While-Write (RWW) sync lock + * @rww.wait: wait queue for the RWW sync + * @rww.ongoing_io: the bus is busy + * @rww.ongoing_rd: a read is ongoing on the chip + * @rww.ongoing_pe: a program/erase is ongoing on the chip + * @rww.used_banks: bitmap of the banks in use * @dev: pointer to an SPI device or an SPI NOR controller device * @spimem: pointer to the SPI memory device * @bouncebuf: bounce buffer used when the buffer passed by the MTD @@ -376,6 +382,13 @@ struct spi_nor_flash_parameter; struct spi_nor { struct mtd_info mtd; struct mutex lock; + struct spi_nor_rww { + wait_queue_head_t wait; + bool ongoing_io; + bool ongoing_rd; + bool ongoing_pe; + unsigned int used_banks; + } rww; struct device *dev; struct spi_mem *spimem; u8 *bouncebuf; |