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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-10-12 10:13:14 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-12-02 08:54:14 +0200 |
| commit | 968f8e97a3291a3c7c9a2dee1a85a092de638f65 (patch) | |
| tree | f246aaafaaa85870edf60302dc5a07342c494932 /drivers/video/omap2 | |
| parent | a702c85906390282e2aabb6cb30e448e23ee1599 (diff) | |
| download | blackbird-op-linux-968f8e97a3291a3c7c9a2dee1a85a092de638f65.tar.gz blackbird-op-linux-968f8e97a3291a3c7c9a2dee1a85a092de638f65.zip | |
OMAPDSS: DSI: flush posted write in send_bta
Flush posted write after setting the bit to send the BTA to ensure the
BTA is sent right away, as the code in dsi_vc_send_bta_sync() waits for
an interrupt caused indirectly by sending the BTA.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2')
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 1331f92f11c2..4b1c07443753 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -2913,6 +2913,9 @@ static int dsi_vc_send_bta(struct platform_device *dsidev, int channel) REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 6, 6); /* BTA_EN */ + /* flush posted write */ + dsi_read_reg(dsidev, DSI_VC_CTRL(channel)); + return 0; } |
