diff options
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/spi-mem.h | 13 | ||||
| -rw-r--r-- | include/linux/spi/spi.h | 4 |
2 files changed, 12 insertions, 5 deletions
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index c8e207522223..f660bb2e9f85 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -227,6 +227,8 @@ struct spi_mem_op { * struct spi_mem_dirmap_info - Direct mapping information * @op_tmpl: operation template that should be used by the direct mapping when * the memory device is accessed + * @secondary_op_tmpl: secondary template, may be used as an alternative to the + * primary template (decided by the upper layer) * @offset: absolute offset this direct mapping is pointing to * @length: length in byte of this direct mapping * @@ -237,7 +239,9 @@ struct spi_mem_op { * direction is directly encoded in the ->op_tmpl.data.dir field. */ struct spi_mem_dirmap_info { - struct spi_mem_op op_tmpl; + struct spi_mem_op *op_tmpl; + struct spi_mem_op primary_op_tmpl; + struct spi_mem_op secondary_op_tmpl; u64 offset; u64 length; }; @@ -381,12 +385,19 @@ 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; bool ecc; bool swap16; bool per_op_freq; + bool secondary_op_tmpl; + bool no_cs_assertion; }; #define spi_mem_controller_is_capable(ctlr, cap) \ diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 79513f5941cc..f6ed93eff00b 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -424,7 +424,6 @@ extern struct spi_device *devm_spi_new_ancillary_device(struct spi_device *spi, * @flags: other constraints relevant to this driver * @slave: indicates that this is an SPI slave controller * @target: indicates that this is an SPI target controller - * @devm_allocated: whether the allocation of this struct is devres-managed * @max_transfer_size: function that returns the max transfer size for * a &spi_device; may be %NULL, so the default %SIZE_MAX will be used. * @max_message_size: function that returns the max message size for @@ -629,9 +628,6 @@ struct spi_controller { */ #define SPI_CONTROLLER_MULTI_CS BIT(7) - /* Flag indicating if the allocation of this struct is devres-managed */ - bool devm_allocated; - union { /* Flag indicating this is an SPI slave controller */ bool slave; |