[SPI]Update and fixup the SPI

* Make a priv data read API for probed SPI device
* Fixup the SPI device pre-alloc

1 files changed, 8 insertions, 3 deletions

diff --git a/components/drivers/include/drivers/dev_spi.h b/components/drivers/include/drivers/dev_spi.h
index c5de588d7c..8aeab22b86 100644
--- a/components/drivers/include/drivers/dev_spi.h
+++ b/components/drivers/include/drivers/dev_spi.h
@@ -313,6 +313,11 @@ rt_err_t rt_spi_driver_register(struct rt_spi_driver *driver);
 rt_err_t rt_spi_device_register(struct rt_spi_device *device);
 
 #define RT_SPI_DRIVER_EXPORT(driver)  RT_DRIVER_EXPORT(driver, spi, BUILIN)
+
+rt_inline const void *rt_spi_device_id_data(struct rt_spi_device *device)
+{
+    return device->id ? device->id->data : (device->ofw_id ? device->ofw_id->data : RT_NULL);
+}
 #endif /* RT_USING_DM */
 
 /**
@@ -598,7 +603,7 @@ rt_err_t rt_qspi_bus_register(struct rt_spi_bus *bus, const char *name, const st
  *
  * @return the actual length of transmitted.
  */
-rt_size_t rt_qspi_transfer_message(struct rt_qspi_device  *device, struct rt_qspi_message *message);
+rt_ssize_t rt_qspi_transfer_message(struct rt_qspi_device  *device, struct rt_qspi_message *message);
 
 /**
  * @brief This function can send data then receive data from QSPI device
@@ -611,7 +616,7 @@ rt_size_t rt_qspi_transfer_message(struct rt_qspi_device  *device, struct rt_qsp
  *
  * @return the status of transmit.
  */
-rt_err_t rt_qspi_send_then_recv(struct rt_qspi_device *device, const void *send_buf, rt_size_t send_length,void *recv_buf, rt_size_t recv_length);
+rt_ssize_t rt_qspi_send_then_recv(struct rt_qspi_device *device, const void *send_buf, rt_size_t send_length,void *recv_buf, rt_size_t recv_length);
 
 /**
  * @brief This function can send data to QSPI device
@@ -622,7 +627,7 @@ rt_err_t rt_qspi_send_then_recv(struct rt_qspi_device *device, const void *send_
  *
  * @return the status of transmit.
  */
-rt_err_t rt_qspi_send(struct rt_qspi_device *device, const void *send_buf, rt_size_t length);
+rt_ssize_t rt_qspi_send(struct rt_qspi_device *device, const void *send_buf, rt_size_t length);
 
 #ifdef __cplusplus
 }