[PATCH v2 09/11] PCI/sysfs: Use sysfs_emit() for cpumask show callbacks

Yury Norov <[email protected]> Thu, 2 Jul 2026 11:47:22 -0400
Newsgroups org.kernel.vger.linux-fpga,dev.linux.lists.driver-core,dev.linux.lists.imx,org.infradead.lists.linux-amlogic,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-cxl,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-pm,org.kernel.vger.linux-rdma,org.ozlabs.lists.linuxppc-dev
Message-ID <[email protected]>
These callbacks are sysfs show paths.

Use sysfs_emit() and cpumask_pr_args() to emit the masks.

This prepares for removing cpumap_print_to_pagebuf().

Signed-off-by: Yury Norov <[email protected]>
---
 drivers/pci/pci-sysfs.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 5ec0b245a69b..d6083552b287 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -112,7 +112,8 @@ static ssize_t pci_dev_show_local_cpu(struct device *dev, bool list,
 #else
 	mask = cpumask_of_pcibus(to_pci_dev(dev)->bus);
 #endif
-	return cpumap_print_to_pagebuf(list, buf, mask);
+	return sysfs_emit(buf, list ? "%*pbl\n" : "%*pb\n",
+			  cpumask_pr_args(mask));
 }
 
 static ssize_t local_cpus_show(struct device *dev,
@@ -137,7 +138,7 @@ static ssize_t cpuaffinity_show(struct device *dev,
 {
 	const struct cpumask *cpumask = cpumask_of_pcibus(to_pci_bus(dev));
 
-	return cpumap_print_to_pagebuf(false, buf, cpumask);
+	return sysfs_emit(buf, "%*pb\n", cpumask_pr_args(cpumask));
 }
 static DEVICE_ATTR_RO(cpuaffinity);
 
@@ -146,7 +147,7 @@ static ssize_t cpulistaffinity_show(struct device *dev,
 {
 	const struct cpumask *cpumask = cpumask_of_pcibus(to_pci_bus(dev));
 
-	return cpumap_print_to_pagebuf(true, buf, cpumask);
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask));
 }
 static DEVICE_ATTR_RO(cpulistaffinity);
 
-- 
2.53.0