1007 		LOG_ERR("%s: OOB upstream busy", __func__);  in espi_it8xxx2_send_oob()
1028 	/* Set upstream enable */  in espi_it8xxx2_send_oob()
1030 	/* Set upstream go */  in espi_it8xxx2_send_oob()
1098 	/* Upstream interrupt enable */  in espi_it8xxx2_oob_init()
1140 		LOG_ERR("%s: Upstream busy (tran:%d)", __func__, tran);  in espi_it8xxx2_flash_trans()
1187 	/* Set upstream enable */  in espi_it8xxx2_flash_read()
1189 	/* Set upstream go */  in espi_it8xxx2_flash_read()
1192 	/* Wait until upstream done or timeout */  in espi_it8xxx2_flash_read()
1235 	/* Set upstream enable */  in espi_it8xxx2_flash_write()
1237 	/* Set upstream go */  in espi_it8xxx2_flash_write()
1240 	/* Wait until upstream done or timeout */  in espi_it8xxx2_flash_write()
1271 	/* Set upstream enable */  in espi_it8xxx2_flash_erase()
1273 	/* Set upstream go */  in espi_it8xxx2_flash_erase()
1276 	/* Wait until upstream done or timeout */  in espi_it8xxx2_flash_erase()
1331 	/* Upstream interrupt enable */  in espi_it8xxx2_flash_init()
1727 	/* upstream disable */  in espi_it8xxx2_upstream_done_isr()
1780 	 * The corresponding channel of the eSPI upstream transaction is  in espi_it8xxx2_isr()
1793 	/* eSPI oob and flash channels use the same interrupt of upstream. */  in espi_it8xxx2_isr()
1795 	/* The eSPI upstream transaction is done. */  in espi_it8xxx2_isr()