diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/spi/spi-mem.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index 2012a3b2ef91..722abd9aee3c 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -385,7 +385,10 @@ struct spi_controller_mem_ops { * @swap16: Supports swapping bytes on a 16 bit boundary when configured in * Octal DTR * @per_op_freq: Supports per operation frequency switching - * @secondary_op_tmpl: Supports leveraging a secondary memory operation template + * @no_cs_assertion: The controller may automatically deassert the CS if there + * is a pause in the transfer (eg. internal bus contention or + * DMA arbitration on an interconnect). Features such as NAND + * continuous reads shall not be leveraged. */ struct spi_controller_mem_caps { bool dtr; @@ -393,6 +396,7 @@ struct spi_controller_mem_caps { bool swap16; bool per_op_freq; bool secondary_op_tmpl; + bool no_cs_assertion; }; #define spi_mem_controller_is_capable(ctlr, cap) \ |