linux-kernel - [PATCH net-next v2 2/2] net: hns: Switch to use acpi_evaluate_dsm

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Message-Id: <20230119191101.80131-2-andriy.shevchenko@linux.intel.com>
Date:   Thu, 19 Jan 2023 21:11:01 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Tony Nguyen <anthony.l.nguyen@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org
Cc:     Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>
Subject: [PATCH net-next v2 2/2] net: hns: Switch to use acpi_evaluate_dsm_typed()

The acpi_evaluate_dsm_typed() provides a way to check the type of the
object evaluated by _DSM call. Use it instead of open coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
v2: added tag (Tony), fixed compilation errors (LKP)
 .../ethernet/hisilicon/hns/hns_dsaf_misc.c    | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
index 740850b64aff..5df19c604d09 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
@@ -554,11 +554,11 @@ static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb)
 	argv4.package.count = 1;
 	argv4.package.elements = &obj_args;
 
-	obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
-				&hns_dsaf_acpi_dsm_guid, 0,
-				HNS_OP_GET_PORT_TYPE_FUNC, &argv4);
-
-	if (!obj || obj->type != ACPI_TYPE_INTEGER)
+	obj = acpi_evaluate_dsm_typed(ACPI_HANDLE(mac_cb->dev),
+				      &hns_dsaf_acpi_dsm_guid, 0,
+				      HNS_OP_GET_PORT_TYPE_FUNC, &argv4,
+				      ACPI_TYPE_INTEGER);
+	if (!obj)
 		return phy_if;
 
 	phy_if = obj->integer.value ?
@@ -601,11 +601,11 @@ static int hns_mac_get_sfp_prsnt_acpi(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
 	argv4.package.count = 1;
 	argv4.package.elements = &obj_args;
 
-	obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
-				&hns_dsaf_acpi_dsm_guid, 0,
-				HNS_OP_GET_SFP_STAT_FUNC, &argv4);
-
-	if (!obj || obj->type != ACPI_TYPE_INTEGER)
+	obj = acpi_evaluate_dsm_typed(ACPI_HANDLE(mac_cb->dev),
+				      &hns_dsaf_acpi_dsm_guid, 0,
+				      HNS_OP_GET_SFP_STAT_FUNC, &argv4,
+				      ACPI_TYPE_INTEGER);
+	if (!obj)
 		return -ENODEV;
 
 	*sfp_prsnt = obj->integer.value;
-- 
2.39.0