spi: fix the issue that spi cannot be used when flash is disabled
The dma configuration function called in the ISR should be put into the IRAM.
Fixes
@@ -330,7 +330,7 @@ void spicommon_cs_free_io(int cs_gpio_num)
}
//Set up a list of dma descriptors. dmadesc is an array of descriptors. Data is the buffer to point to.
-void spicommon_setup_dma_desc_links(lldesc_t *dmadesc, int len, const uint8_t *data, bool isrx)
+void IRAM_ATTR spicommon_setup_dma_desc_links(lldesc_t *dmadesc, int len, const uint8_t *data, bool isrx)
{
int n = 0;
while (len) {
