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tpm2: Don't assume active low reset value

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The reset function sets the pin to 0 then 1 but if the pin is marked
ACTIVE_LOW in the DT it gets inverted and leaves the TPM in reset.
Let the gpio driver take care of the reset polarity.

Signed-off-by: Kayla Theil <kayla.theil@mixed-mode.de>
This commit is contained in:
Kayla Theil 2019-09-06 12:40:45 +02:00 committed by Simon Glass
parent 7a3f15e718
commit d8206ff198
1 changed files with 2 additions and 2 deletions
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4
drivers/tpm/tpm2_tis_spi.c
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@ -596,9 +596,9 @@ static int tpm_tis_spi_probe(struct udevice *dev)
log(LOGC_NONE, LOGL_NOTICE, "%s: missing reset GPIO\n",
__func__);
} else {
dm_gpio_set_value(&reset_gpio, 0);
mdelay(1);
dm_gpio_set_value(&reset_gpio, 1);
mdelay(1);
dm_gpio_set_value(&reset_gpio, 0);
}
}