Hi,
On 1/20/22 14:43, Stefan Binding wrote:
This functions were previously made private since they were not used. However, these functions will be needed again.
Partial revert of commit da21fde0fdb3 ("spi: Make several public functions private to spi.c")
Signed-off-by: Stefan Binding sbinding@opensource.cirrus.com
Thanks, patch looks good to me:
Reviewed-by: Hans de Goede hdegoede@redhat.com
Regards,
Hans
drivers/spi/spi.c | 6 ++++-- include/linux/spi/spi.h | 12 ++++++++++++ 2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 4599b121d744..1eb84101c4ad 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -532,7 +532,7 @@ static DEFINE_MUTEX(board_lock);
- Return: a pointer to the new device, or NULL.
*/ -static struct spi_device *spi_alloc_device(struct spi_controller *ctlr) +struct spi_device *spi_alloc_device(struct spi_controller *ctlr) { struct spi_device *spi;
@@ -557,6 +557,7 @@ static struct spi_device *spi_alloc_device(struct spi_controller *ctlr) device_initialize(&spi->dev); return spi; } +EXPORT_SYMBOL_GPL(spi_alloc_device);
static void spi_dev_set_name(struct spi_device *spi) { @@ -652,7 +653,7 @@ static int __spi_add_device(struct spi_device *spi)
- Return: 0 on success; negative errno on failure
*/ -static int spi_add_device(struct spi_device *spi) +int spi_add_device(struct spi_device *spi) { struct spi_controller *ctlr = spi->controller; struct device *dev = ctlr->dev.parent; @@ -673,6 +674,7 @@ static int spi_add_device(struct spi_device *spi) mutex_unlock(&ctlr->add_lock); return status; } +EXPORT_SYMBOL_GPL(spi_add_device);
static int spi_add_device_locked(struct spi_device *spi) { diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 7ab3fed7b804..0346a3ff27fd 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -1452,7 +1452,19 @@ spi_register_board_info(struct spi_board_info const *info, unsigned n)
- use spi_new_device() to describe each device. You can also call
- spi_unregister_device() to start making that device vanish, but
- normally that would be handled by spi_unregister_controller().
- You can also use spi_alloc_device() and spi_add_device() to use a two
- stage registration sequence for each spi_device. This gives the caller
- some more control over the spi_device structure before it is registered,
- but requires that caller to initialize fields that would otherwise
*/
- be defined using the board info.
+extern struct spi_device * +spi_alloc_device(struct spi_controller *ctlr);
+extern int +spi_add_device(struct spi_device *spi);
extern struct spi_device * spi_new_device(struct spi_controller *, struct spi_board_info *);