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spi: spi_bfin: bugfix for 8..16 bit word sizes

Fix bug in u16_cs_chg_reader to read data_len-2 bytes data firstly, then read
out the last 2 bytes data

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bryan Wu 17 年 前
コミット
c3061abb9e
1 ファイル変更1 行追加1 行削除
  1. 1 1
      drivers/spi/spi_bfin5xx.c

+ 1 - 1
drivers/spi/spi_bfin5xx.c

@@ -501,7 +501,7 @@ static void u16_cs_chg_reader(struct driver_data *drv_data)
 	cs_active(drv_data, chip);
 	dummy_read(drv_data);
 
-	while (drv_data->rx < drv_data->rx_end) {
+	while (drv_data->rx < drv_data->rx_end - 2) {
 		cs_deactive(drv_data, chip);
 
 		if (chip->cs_chg_udelay)