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spi: Move ctlr->cur_msg_prepared to struct spi_message

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This enables the possibility to transfer a message that is not at the
current tip of the async message queue.
This is in preparation of the next patch(es) which enable spi_sync messages
to skip the queue altogether.

Signed-off-by: David Jander <david@protonic.nl>
Link: https://lore.kernel.org/r/20220621061234.3626638-2-david@protonic.nl
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
David Jander
2022-06-21 08:12:24 +02:00
committed by Mark Brown
parent 40308f9642
commit 1714582a3a
2 changed files with 8 additions and 6 deletions
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7
include/linux/spi/spi.h
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@@ -385,8 +385,6 @@ extern struct spi_device *spi_new_ancillary_device(struct spi_device *spi, u8 ch
* @queue: message queue
* @idling: the device is entering idle state
* @cur_msg: the currently in-flight message
* @cur_msg_prepared: spi_prepare_message was called for the currently
* in-flight message
* @cur_msg_mapped: message has been mapped for DMA
* @last_cs: the last chip_select that is recorded by set_cs, -1 on non chip
* selected
@@ -621,7 +619,6 @@ struct spi_controller {
bool running;
bool rt;
bool auto_runtime_pm;
bool cur_msg_prepared;
bool cur_msg_mapped;
char last_cs;
bool last_cs_mode_high;
@@ -988,6 +985,7 @@ struct spi_transfer {
* @queue: for use by whichever driver currently owns the message
* @state: for use by whichever driver currently owns the message
* @resources: for resource management when the spi message is processed
* @prepared: spi_prepare_message was called for the this message
*
* A @spi_message is used to execute an atomic sequence of data transfers,
* each represented by a struct spi_transfer. The sequence is "atomic"
@@ -1037,6 +1035,9 @@ struct spi_message {
/* list of spi_res reources when the spi message is processed */
struct list_head resources;
/* spi_prepare_message was called for this message */
bool prepared;
};
static inline void spi_message_init_no_memset(struct spi_message *m)