From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jingoo Han Date: Tue, 17 Jul 2012 08:44:13 +0000 Subject: [PATCH] video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training Message-Id: <000c01cd63f8$57550000$05ff0000$%han@samsung.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org The only INTERLANE_ALIGN_DONE bit should be checked for channel equalization during Link Training. Previously, the other bits such as LINK_STATUS_UPDATED were checked, and channel equalization procedure was repeated unnecessarily. Signed-off-by: Jingoo Han --- drivers/video/exynos/exynos_dp_core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index 9db7b9f..6ca8043 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -336,7 +336,7 @@ static int exynos_dp_channel_eq_ok(u8 link_status[6], int lane_count) u8 lane_status; lane_align = link_status[2]; - if ((lane_align = DPCD_INTERLANE_ALIGN_DONE) = 0) + if ((lane_align & DPCD_INTERLANE_ALIGN_DONE) = 0) return -EINVAL; for (lane = 0; lane < lane_count; lane++) { -- 1.7.1