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cr50: Remove usleep() call from ina_enable function

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Since the INAs are now enabled based on rdd_attach, there is no need
to have a a delay following enabling the 3.3V rail and the delay can't
be a usleep() because ina_connect() is not being called from
rdd_attach which is running in an interrupt context.

BUG=chrome-os-partner:62375
BRANCH=none
TEST=manual The usleep() call was causing a reboot but was only
visible when using UART console. Verified that with this CL the reboot
was no longer happening.

Change-Id: Id9bbef4e89dee39a2dfa443c3af54c1f9a611ebd
Signed-off-by: Scott <scollyer@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/438675
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
Commit-Queue: Vadim Bendebury <vbendeb@chromium.org>
Trybot-Ready: Vadim Bendebury <vbendeb@chromium.org>
This commit is contained in:
Scott
2017-02-06 18:38:11 -08:00
committed by Vadim Bendebury
parent 97ef3f6a4f
commit cdc59faa85
1 changed files with 0 additions and 2 deletions
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2
board/cr50/usb_i2c.c
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@@ -42,8 +42,6 @@ static void ina_connect(void)
/* Apply power to INA chips */
gpio_set_level(GPIO_EN_PP3300_INA_L, 0);
/* Allow enough time for power rail to come up */
usleep(25);
/*
* Connect B0/B1 pads to I2C0 input SDA/SCL. Note, that the inputs