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spi: fix the issue that spi cannot be used when flash is disabled

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The dma configuration function called in the ISR should be put into the IRAM.

Fixes https://github.com/espressif/esp-idf/issues/2307.
This commit is contained in:
Michael (XIAO Xufeng)
2018-08-20 18:27:38 +08:00
committed by bot
parent 53509c7bfd
commit 125da7a1c2
1 changed files with 1 additions and 1 deletions
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components/driver/spi_common.c
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@@ -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. //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; int n = 0;
while (len) { while (len) {