---

yaml --- r: 212328 b: refs/heads/master c: b052fd0 h: refs/heads/master v: v3
git-mirror · Oct 18, 2010 · 8dc298c · 8dc298c
1 parent 0041223
commit 8dc298c
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Showing 2 changed files with 14 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d3cc71f71ae13596cb988e16bfa2b15f09fb7347
+refs/heads/master: b052fd0a44354c655eb98fd715ef52857631dfef
diff --git a/trunk/drivers/spi/spi_bfin5xx.c b/trunk/drivers/spi/spi_bfin5xx.c
@@ -101,6 +101,9 @@ struct master_data {
 	size_t rx_map_len;
 	size_t tx_map_len;
 	u8 n_bytes;
+	u16 ctrl_reg;
+	u16 flag_reg;
+
 	int cs_change;
 	const struct transfer_ops *ops;
 };
@@ -1426,8 +1429,14 @@ static int bfin_spi_suspend(struct platform_device *pdev, pm_message_t state)
 	if (status != 0)
 		return status;
 
-	/* stop hardware */
-	bfin_spi_disable(drv_data);
+	drv_data->ctrl_reg = read_CTRL(drv_data);
+	drv_data->flag_reg = read_FLAG(drv_data);
+
+	/*
+	 * reset SPI_CTL and SPI_FLG registers
+	 */
+	write_CTRL(drv_data, BIT_CTL_CPHA | BIT_CTL_MASTER);
+	write_FLAG(drv_data, 0xFF00);
 
 	return 0;
 }
@@ -1437,8 +1446,8 @@ static int bfin_spi_resume(struct platform_device *pdev)
 	struct master_data *drv_data = platform_get_drvdata(pdev);
 	int status = 0;
 
-	/* Enable the SPI interface */
-	bfin_spi_enable(drv_data);
+	write_CTRL(drv_data, drv_data->ctrl_reg);
+	write_FLAG(drv_data, drv_data->flag_reg);
 
 	/* Start the queue running */
 	status = bfin_spi_start_queue(drv_data);