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fix(spi_master): fix spi halt when remove device who using rc_fast

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wanlei
2024-05-24 19:38:25 +08:00
committed by wanckl
parent 409af75a93
commit cc7adfa068
5 changed files with 13 additions and 4 deletions
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9
components/esp_driver_spi/src/gpspi/spi_master.c
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@@ -584,6 +584,15 @@ esp_err_t spi_bus_remove_device(spi_device_handle_t handle)
#if SOC_SPI_SUPPORT_CLK_RC_FAST
if (handle->cfg.clock_source == SPI_CLK_SRC_RC_FAST) {
// If no transactions from other device, acquire the bus to switch module clock to `SPI_CLK_SRC_DEFAULT`
// because `SPI_CLK_SRC_RC_FAST` will be disabled then, which block following transactions
if (handle->host->cur_cs == DEV_NUM_MAX) {
spi_device_acquire_bus(handle, portMAX_DELAY);
SPI_MASTER_PERI_CLOCK_ATOMIC() {
spi_ll_set_clk_source(handle->host->hal.hw, SPI_CLK_SRC_DEFAULT);
}
spi_device_release_bus(handle);
}
periph_rtc_dig_clk8m_disable();
}
#endif