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realtek_mst_i2c_spi.c: Clarify gpio pin 88 comment to be more exacting

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Avoid confusion from the comment. While technically a GPIO
can do anything, like drive a LED. The GPIO pin 88 *is*
meant to drive the WP line of the SPI flash, that is its
purpose.

Change-Id: If718d41a27931380e5f7ebdb75b9863da0c61559
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/65546
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
Reviewed-by: Thomas Heijligen <src@posteo.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Edward O'Callaghan 2022-06-30 18:30:20 +10:00 committed by Anastasia Klimchuk
parent bfb80286e1
commit 6599e34d5d
1 changed files with 1 additions and 2 deletions
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3
realtek_mst_i2c_spi.c
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@ -191,8 +191,7 @@ static int realtek_mst_i2c_spi_read_indexed_register(int fd, uint16_t address, u
}
/* Toggle the GPIO pin 88, this could be routed to different controls like write
* protection or a led. */
/* Toggle the GPIO pin 88, reserved for write protection pin of the external flash. */
static int realtek_mst_i2c_spi_toggle_gpio_88_strap(int fd, bool toggle)
{
int ret = 0;