From ae0099f8000e11a19294ec92c97e945eea064f79 Mon Sep 17 00:00:00 2001 From: lyx Date: Thu, 9 Sep 2010 18:22:48 -0700 Subject: [PATCH] spi:modify spi drivers, add wait_busy after write --- drivers/spi/rk2818_spim.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/spi/rk2818_spim.c b/drivers/spi/rk2818_spim.c index 3edc86a9ded7..8c47834b1784 100755 --- a/drivers/spi/rk2818_spim.c +++ b/drivers/spi/rk2818_spim.c @@ -799,14 +799,15 @@ static int do_transfer(struct rk2818_spi *dws) if (dws->tx) { do_write(dws); } + wait_till_tf_empty(dws); + wait_till_not_busy(dws); do_read(dws); } else { do_write(dws); + wait_till_tf_empty(dws); + wait_till_not_busy(dws); } - - wait_till_tf_empty(dws); - wait_till_not_busy(dws); dws->cur_msg->actual_length += dws->len; -- 2.34.1