linux-kernel - [PATCH v1 2/2] usb: typec: intel_pmc_mux: Deduplicate ACPI matching in probe

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Date:   Mon,  2 Jan 2023 22:29:33 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 2/2] usb: typec: intel_pmc_mux: Deduplicate ACPI matching in probe

There is no need to call acpi_dev_present() followed by
acpi_dev_get_first_match_dev() as they both do the same
with only difference in the returning value. Instead,
call the latter and check its result.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/usb/typec/mux/intel_pmc_mux.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index 87e2c9130607..34e4188a40ff 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -602,16 +602,15 @@ static int pmc_usb_probe_iom(struct pmc_usb *pmc)
 	int ret;
 
 	for (dev_id = &iom_acpi_ids[0]; dev_id->id[0]; dev_id++) {
-		if (acpi_dev_present(dev_id->id, NULL, -1)) {
-			pmc->iom_port_status_offset = (u32)dev_id->driver_data;
-			adev = acpi_dev_get_first_match_dev(dev_id->id, NULL, -1);
+		adev = acpi_dev_get_first_match_dev(dev_id->id, NULL, -1);
+		if (adev)
 			break;
-		}
 	}
-
 	if (!adev)
 		return -ENODEV;
 
+	pmc->iom_port_status_offset = (u32)dev_id->driver_data;
+
 	INIT_LIST_HEAD(&resource_list);
 	ret = acpi_dev_get_memory_resources(adev, &resource_list);
 	if (ret < 0) {
-- 
2.35.1