Title: [6775] branches/2009R1/drivers/spi/spi_bfin5xx.c: Fix bug[#5203],fix wrong setting about cs enable and flag
- Revision
- 6775
- Author
- bhsong
- Date
- 2009-06-17 23:17:42 -0500 (Wed, 17 Jun 2009)
Log Message
Fix bug[#5203],fix wrong setting about cs enable and flag
Modified Paths
Diff
Modified: branches/2009R1/drivers/spi/spi_bfin5xx.c (6774 => 6775)
--- branches/2009R1/drivers/spi/spi_bfin5xx.c 2009-06-18 02:11:54 UTC (rev 6774)
+++ branches/2009R1/drivers/spi/spi_bfin5xx.c 2009-06-18 04:17:42 UTC (rev 6775)
@@ -202,9 +202,13 @@
if (likely(chip->chip_select_num)) {
u16 flag = read_FLAG(drv_data);
- flag &= ~chip->flag;
+ /* Only WITH CS enabled, we can set the level of CS */
+ flag |= chip->flag;
flag |= (chip->flag << 8);
+ write_FLAG(drv_data, flag);
+ /* Disable CS after deactive it */
+ flag &= ~chip->flag;
write_FLAG(drv_data, flag);
} else {
gpio_set_value(chip->cs_gpio, 1);
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