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OMAPDSS: DSI: flush posted write in send_bta

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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>
This commit is contained in:
Tomi Valkeinen 2011-10-12 10:13:14 +03:00
parent a702c85906
commit 968f8e97a3
1 changed files with 3 additions and 0 deletions
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3
drivers/video/omap2/dss/dsi.c
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@ -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;
}