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Merge pull request #2486 from cesanta/st_v307

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Post-IRQ DMASR flags cleanup
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Sergey Lyubka authored and GitHub committed 2023-11-25 07:49:32 +00:00
2 parents 2a25e449a2 f2f60a7b3b
commit 36748ee406
2 files changed
+8 -12
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src/drivers/stm32.c
+4 -6
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@@ -216,12 +216,10 @@ void ETH_IRQHandler(void) {
if (++s_rxno >= ETH_DESC_CNT) s_rxno = 0;
}
}
#ifdef __riscv
ETH->DMASR = ~0; // TODO: do more fine-grained flag cleanup
#else
ETH->DMASR = MG_BIT(7); // Clear possible RBUS while processing
#endif
ETH->DMARPDR = 0; // and resume RX
// Cleanup flags
ETH->DMASR = MG_BIT(16) // NIS, normal interrupt summary
| MG_BIT(7); // Clear possible RBUS while processing
ETH->DMARPDR = 0; // and resume RX
}
struct mg_tcpip_driver mg_tcpip_driver_stm32 = {mg_tcpip_driver_stm32_init,