fixup! spi: dw: Wait for idle after TX

Relax a bit harder - transmission of the last bits may take a while. Signed-off-by: Phil Elwell <[email protected]>
raspberrypi · Feb 4, 2025 · fab0093 · fab0093
1 parent 4d577c4
commit fab0093
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c
@@ -305,8 +305,9 @@ static int dw_spi_dma_wait_tx_done(struct dw_spi *dws,
 	}
 
 	if (!xfer->rx_buf) {
+		delay.value = dws->n_bytes * BITS_PER_BYTE;
 		while (dw_readl(dws, DW_SPI_SR) & DW_SPI_SR_BUSY)
-			cpu_relax();
+			spi_delay_exec(&delay, xfer);
 	}
 
 	return 0;