Edward O'Callaghan submitted this change.

View Change

Approvals: build bot (Jenkins): Verified Edward O'Callaghan: Looks good to me, approved
realtek_mst_i2c_spi.c: Skip return value check for reset function

The return value for reset function can not be guaranteed when
reset success. There is no way to check if reset success or not.

BUG=b:147402710,b:152558985
BRANCH=none
TEST=builds

Signed-off-by: Shiyu Sun <sshiyu@chromium.org>
Change-Id: Ia6200f7150db4368c26d8dfe779a9e85184b1b06
Reviewed-on: https://review.coreboot.org/c/flashrom/+/49786
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
---
M realtek_mst_i2c_spi.c
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/realtek_mst_i2c_spi.c b/realtek_mst_i2c_spi.c
index 3dd1b36..1bbb71f 100644
--- a/realtek_mst_i2c_spi.c
+++ b/realtek_mst_i2c_spi.c
@@ -433,9 +433,13 @@
(struct realtek_mst_i2c_spi_data *)data;
int fd = realtek_mst_data->fd;
if (realtek_mst_data->reset) {
- ret |= realtek_mst_i2c_spi_reset_mpu(fd);
- if (ret != 0)
- msg_perr("%s: MCU failed to reset on tear-down.\n", __func__);
+ /*
+ * Return value for reset mpu is not checked since
+ * the return value is not guaranteed to be 0 on a
+ * success reset. Currently there is no way to fix
+ * that. For more details see b:147402710.
+ */
+ realtek_mst_i2c_spi_reset_mpu(fd);
}
i2c_close(fd);
free(data);

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Gerrit-Project: flashrom
Gerrit-Branch: master
Gerrit-Change-Id: Ia6200f7150db4368c26d8dfe779a9e85184b1b06
Gerrit-Change-Number: 49786
Gerrit-PatchSet: 4
Gerrit-Owner: Shiyu Sun <sshiyu@google.com>
Gerrit-Reviewer: Angel Pons <th3fanbus@gmail.com>
Gerrit-Reviewer: Edward O'Callaghan <quasisec@chromium.org>
Gerrit-Reviewer: build bot (Jenkins) <no-reply@coreboot.org>
Gerrit-MessageType: merged