linux-kernel - [PATCH] ACPI: utils: include UUID in

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Message-ID: <f80dfd57fdca87897f070a3ea4ee0a26b03e7831.camel@mniewoehner.de>
Date:   Mon, 16 May 2022 19:25:37 +0200
From:   Michael Niewöhner <linux@...ewoehner.de>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        "open list:ACPI" <linux-acpi@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: [PATCH] ACPI: utils: include UUID in _DSM evaluation warning

The _DSM evaluation warning in its current form is not very helpful, as 
it lacks any specific information:
  ACPI: \: failed to evaluate _DSM (0x1001)

Thus, include the UUID of the missing _DSM:
  ACPI: \: failed to evaluate _DSM bf0212f2-... (0x1001)

Signed-off-by: Michael Niewöhner <linux@...ewoehner.de>
---
 drivers/acpi/utils.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index d5cedffeeff9..7da993f5b6c3 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -681,7 +681,8 @@ acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
u64 rev, u64 func,
 
        if (ret != AE_NOT_FOUND)
                acpi_handle_warn(handle,
-                               "failed to evaluate _DSM (0x%x)\n", ret);
+                               "failed to evaluate _DSM %pUb (0x%x)\n",
+                               ret, guid);
 
        return NULL;
 }
-- 
2.34.1