From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Mar 2025 10:56:42 +0000 (+0100)
Subject: soc: ti: ti_sci_inta_msi: Switch MSI descriptor locking to guard()
X-Git-Tag: io_uring-6.16-20250606~7^2~27
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=f25dd9ac48463c695185f3944770b59bfdf91058;p=linux-block.git

soc: ti: ti_sci_inta_msi: Switch MSI descriptor locking to guard()

Convert the code to use the new guard(msi_descs_lock).

No functional change intended.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Link: https://lore.kernel.org/all/20250319105506.203802081@linutronix.de
---

diff --git a/drivers/soc/ti/ti_sci_inta_msi.c b/drivers/soc/ti/ti_sci_inta_msi.c
index c36364522157..193266f5e3f9 100644
--- a/drivers/soc/ti/ti_sci_inta_msi.c
+++ b/drivers/soc/ti/ti_sci_inta_msi.c
@@ -103,19 +103,15 @@ int ti_sci_inta_msi_domain_alloc_irqs(struct device *dev,
 	if (ret)
 		return ret;
 
-	msi_lock_descs(dev);
+	guard(msi_descs_lock)(dev);
 	nvec = ti_sci_inta_msi_alloc_descs(dev, res);
-	if (nvec <= 0) {
-		ret = nvec;
-		goto unlock;
-	}
+	if (nvec <= 0)
+		return nvec;
 
 	/* Use alloc ALL as it's unclear whether there are gaps in the indices */
 	ret = msi_domain_alloc_irqs_all_locked(dev, MSI_DEFAULT_DOMAIN, nvec);
 	if (ret)
 		dev_err(dev, "Failed to allocate IRQs %d\n", ret);
-unlock:
-	msi_unlock_descs(dev);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(ti_sci_inta_msi_domain_alloc_irqs);