From: Titus Rwantare <titusr@google.com>
Date: Mon, 23 Oct 2023 23:46:46 +0000 (+0000)
Subject: hw/i2c: pmbus: immediately clear faults on request
X-Git-Tag: v8.2.0-rc0~19^2~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=84db503e7c260ace0cf7267379955bbae77e85a4;p=thirdparty%2Fqemu.git

hw/i2c: pmbus: immediately clear faults on request

The probing process of the generic pmbus driver generates
faults to determine if functions are available. These faults
were not always cleared resulting in probe failures.

Reviewed-by: Patrick Venture <venture@google.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-7-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---

diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
index 3bce39e84e4..481e1583803 100644
--- a/hw/i2c/pmbus_device.c
+++ b/hw/i2c/pmbus_device.c
@@ -1244,6 +1244,11 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
     pmdev->in_buf = buf;
 
     pmdev->code = buf[0]; /* PMBus command code */
+
+    if (pmdev->code == PMBUS_CLEAR_FAULTS) {
+        pmbus_clear_faults(pmdev);
+    }
+
     if (len == 1) { /* Single length writes are command codes only */
         return 0;
     }