From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Mon, 23 Mar 2015 21:29:56 +0000 (+0100)
Subject: tpm/st33zp24: Add proper wait for ordinal duration in case of irq mode
X-Git-Tag: omap-for-v4.2/o2_dc~129^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7216ebc51bdd62517be6878dd37555ff428a80c9;p=pandora-kernel.git

tpm/st33zp24: Add proper wait for ordinal duration in case of irq mode

In case the driver is configured to use irq, we are not waiting the answer
for a duration period to see the DATA_AVAIL status bit to raise but at
maximum timeout_c. This may result in critical failure as we will
not wait long enough for the command completion.

Reviewed-by: Jason Gunthorpe <jason.gunthorpe@obsidianresearch.com>
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Fixes: bf38b8710892 ("tpm/tpm_i2c_stm_st33: Split tpm_i2c_tpm_st33 in 2
layers (core + phy)")
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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