From 86fd4b983f71f7855ca1e4676d87ffb9eace476e Mon Sep 17 00:00:00 2001
From: wanlei <wanlei@espressif.com>
Date: Fri, 3 Mar 2023 17:28:54 +0800
Subject: [PATCH] spi_slave: fix io re-config issue

---
 components/driver/spi_slave.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/driver/spi_slave.c b/components/driver/spi_slave.c
index fc23ec7b7a..5029f8891e 100644
--- a/components/driver/spi_slave.c
+++ b/components/driver/spi_slave.c
@@ -51,6 +51,7 @@ static const char *SPI_TAG = "spi_slave";
 
 typedef struct {
     int id;
+    spi_bus_config_t bus_config;
     spi_slave_interface_config_t cfg;
     intr_handle_t intr;
     spi_slave_hal_context_t hal;
@@ -136,6 +137,7 @@ esp_err_t spi_slave_initialize(spi_host_device_t host, const spi_bus_config_t *b
     }
     memset(spihost[host], 0, sizeof(spi_slave_t));
     memcpy(&spihost[host]->cfg, slave_config, sizeof(spi_slave_interface_config_t));
+    memcpy(&spihost[host]->bus_config, bus_config, sizeof(spi_bus_config_t));
     spihost[host]->id = host;
 
     bool use_dma = (dma_chan != SPI_DMA_DISABLED);
@@ -262,6 +264,7 @@ esp_err_t spi_slave_free(spi_host_device_t host)
     if (spihost[host]->dma_enabled) {
         spicommon_dma_chan_free(host);
     }
+    spicommon_bus_free_io_cfg(&spihost[host]->bus_config);
     free(spihost[host]->hal.dmadesc_tx);
     free(spihost[host]->hal.dmadesc_rx);
     esp_intr_free(spihost[host]->intr);