donghengqaz commented on a change in pull request #1610:
URL: https://github.com/apache/incubator-nuttx/pull/1610#discussion_r473909668
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File path: arch/xtensa/src/esp32/esp32_spi.c
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@@ -158,6 +190,20 @@ static void esp32_spi_deinit(FAR struct spi_dev_s *dev);
* Public Function Prototypes
****************************************************************************/
+extern uint8_t esp32_spi2_status(FAR struct spi_dev_s *dev, uint32_t devid);
+extern uint8_t esp32_spi3_status(FAR struct spi_dev_s *dev, uint32_t devid);
+
+/* Use board level CS select function */
+
+#ifdef CONFIG_ESP32_SPI_UDCS
+extern void esp32_spi2_select(FAR struct spi_dev_s *dev,
+ uint32_t devid,
+ bool selected);
+extern void esp32_spi3_select(FAR struct spi_dev_s *dev,
+ uint32_t devid,
+ bool selected);
+#endif
+
Review comment:
I will remove these including `esp32_spi2_status` and
`esp32_spi3_status`, I see they are both prototyped in the header file.
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