---

yaml --- r: 221530 b: refs/heads/master c: 782a895 h: refs/heads/master v: v3
git-mirror · Oct 22, 2010 · 643d6c1 · 643d6c1
1 parent 2dd2d9a
commit 643d6c1
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2b9603a0d7e395fb844af90fba71448bc8019077
+refs/heads/master: 782a895693a52fd8b288c33bdd7e98357888fc1f
diff --git a/trunk/drivers/spi/spi_bfin5xx.c b/trunk/drivers/spi/spi_bfin5xx.c
@@ -504,6 +504,15 @@ static irqreturn_t bfin_spi_dma_irq_handler(int irq, void *dev_id)
 		"in dma_irq_handler dmastat:0x%x spistat:0x%x\n",
 		dmastat, spistat);
 
+	if (drv_data->rx != NULL) {
+		u16 cr = read_CTRL(drv_data);
+		/* discard old RX data and clear RXS */
+		bfin_spi_dummy_read(drv_data);
+		write_CTRL(drv_data, cr & ~BIT_CTL_ENABLE); /* Disable SPI */
+		write_CTRL(drv_data, cr & ~BIT_CTL_TIMOD); /* Restore State */
+		write_STAT(drv_data, BIT_STAT_CLR); /* Clear Status */
+	}
+
 	clear_dma_irqstat(drv_data->dma_channel);
 
 	/*