From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1 2/2] usb: typec: intel_pmc_mux: Deduplicate ACPI matching in probe
Date: Mon, 2 Jan 2023 22:29:33 +0200 [thread overview]
Message-ID: <20230102202933.15968-2-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20230102202933.15968-1-andriy.shevchenko@linux.intel.com>
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@linux.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
next prev parent reply other threads:[~2023-01-02 20:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-02 20:29 [PATCH v1 1/2] usb: typec: intel_pmc_mux: Don't leak the ACPI device reference count Andy Shevchenko
2023-01-02 20:29 ` Andy Shevchenko [this message]
2023-01-03 9:29 ` [PATCH v1 2/2] usb: typec: intel_pmc_mux: Deduplicate ACPI matching in probe Heikki Krogerus
2023-01-03 9:28 ` [PATCH v1 1/2] usb: typec: intel_pmc_mux: Don't leak the ACPI device reference count Heikki Krogerus
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