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tpm: tpm_tis_i2c: Simplify init code

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Move all the init and uninit code into one place.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Christophe Ricard<christophe-h.ricard@st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Simon Glass 2015-08-22 18:31:28 -06:00
parent 13894bdba4
commit a53b79a255
1 changed files with 10 additions and 23 deletions
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33
drivers/tpm/tpm_tis_i2c.c
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@ -608,27 +608,6 @@ out:
return rc;
}
static int tpm_open_dev(struct udevice *dev)
{
int rc;
debug("%s: start\n", __func__);
if (g_chip.is_open)
return -EBUSY;
rc = tpm_tis_i2c_init(dev);
if (rc < 0)
g_chip.is_open = 0;
return rc;
}
static void tpm_close(void)
{
if (g_chip.is_open) {
release_locality(&g_chip, g_chip.locality, 1);
g_chip.is_open = 0;
}
}
/**
* Decode TPM configuration.
*
@ -712,7 +691,12 @@ int tis_open(void)
if (!g_chip.inited)
return -1;
rc = tpm_open_dev(g_chip.dev);
debug("%s: start\n", __func__);
if (g_chip.is_open)
return -EBUSY;
rc = tpm_tis_i2c_init(g_chip.dev);
if (rc < 0)
g_chip.is_open = 0;
return rc;
}
@ -722,7 +706,10 @@ int tis_close(void)
if (!g_chip.inited)
return -1;
tpm_close();
if (g_chip.is_open) {
release_locality(&g_chip, g_chip.locality, 1);
g_chip.is_open = 0;
}
return 0;
}