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From: "Thomas Weißschuh" <linux@weissschuh.net>
To: "Michael Ellerman" <mpe@ellerman.id.au>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Christophe Leroy" <christophe.leroy@csgroup.eu>,
	"Naveen N Rao" <naveen@kernel.org>,
	"Madhavan Srinivasan" <maddy@linux.ibm.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Luis Chamberlain" <mcgrof@kernel.org>,
	"Petr Pavlu" <petr.pavlu@suse.com>,
	"Sami Tolvanen" <samitolvanen@google.com>,
	"Daniel Gomez" <da.gomez@samsung.com>,
	"Armin Wolf" <W_Armin@gmx.de>,
	"Hans de Goede" <hdegoede@redhat.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Martin KaFai Lau" <martin.lau@linux.dev>,
	"Eduard Zingerman" <eddyz87@gmail.com>,
	"Song Liu" <song@kernel.org>,
	"Yonghong Song" <yonghong.song@linux.dev>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"KP Singh" <kpsingh@kernel.org>,
	"Stanislav Fomichev" <sdf@fomichev.me>,
	"Hao Luo" <haoluo@google.com>, "Jiri Olsa" <jolsa@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	linux-modules@vger.kernel.org,
	platform-driver-x86@vger.kernel.org, bpf@vger.kernel.org,
	"Thomas Weißschuh" <linux@weissschuh.net>
Subject: [PATCH 2/4] platform/x86: wmi-bmof: Switch to sysfs_bin_attr_simple_read()
Date: Thu, 05 Dec 2024 18:35:14 +0100	[thread overview]
Message-ID: <20241205-sysfs-const-bin_attr-simple-v1-2-4a4e4ced71e3@weissschuh.net> (raw)
In-Reply-To: <20241205-sysfs-const-bin_attr-simple-v1-0-4a4e4ced71e3@weissschuh.net>

The generic function from the sysfs core can replace the custom one.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
---
 drivers/platform/x86/wmi-bmof.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/platform/x86/wmi-bmof.c b/drivers/platform/x86/wmi-bmof.c
index df6f0ae6e6c7904f97c125297a21166f56d0b1f0..e6c217d70086a2896dc70cf8ac1c27dafb501a95 100644
--- a/drivers/platform/x86/wmi-bmof.c
+++ b/drivers/platform/x86/wmi-bmof.c
@@ -25,15 +25,6 @@ struct bmof_priv {
 	struct bin_attribute bmof_bin_attr;
 };
 
-static ssize_t read_bmof(struct file *filp, struct kobject *kobj, struct bin_attribute *attr,
-			 char *buf, loff_t off, size_t count)
-{
-	struct bmof_priv *priv = container_of(attr, struct bmof_priv, bmof_bin_attr);
-
-	return memory_read_from_buffer(buf, count, &off, priv->bmofdata->buffer.pointer,
-				       priv->bmofdata->buffer.length);
-}
-
 static int wmi_bmof_probe(struct wmi_device *wdev, const void *context)
 {
 	struct bmof_priv *priv;
@@ -60,7 +51,8 @@ static int wmi_bmof_probe(struct wmi_device *wdev, const void *context)
 	sysfs_bin_attr_init(&priv->bmof_bin_attr);
 	priv->bmof_bin_attr.attr.name = "bmof";
 	priv->bmof_bin_attr.attr.mode = 0400;
-	priv->bmof_bin_attr.read = read_bmof;
+	priv->bmof_bin_attr.read_new = sysfs_bin_attr_simple_read;
+	priv->bmof_bin_attr.private = priv->bmofdata->buffer.pointer;
 	priv->bmof_bin_attr.size = priv->bmofdata->buffer.length;
 
 	ret = device_create_bin_file(&wdev->dev, &priv->bmof_bin_attr);

-- 
2.47.1


  parent reply	other threads:[~2024-12-05 17:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-05 17:35 [PATCH 0/4] sysfs: constify bin_attribute argument of sysfs_bin_attr_simple_read() Thomas Weißschuh
2024-12-05 17:35 ` [PATCH 1/4] " Thomas Weißschuh
2024-12-05 17:35 ` Thomas Weißschuh [this message]
2024-12-13  0:21   ` [PATCH 2/4] platform/x86: wmi-bmof: Switch to sysfs_bin_attr_simple_read() Armin Wolf
2024-12-13  7:43     ` Thomas Weißschuh
2024-12-05 17:35 ` [PATCH 3/4] btf: Switch vmlinux BTF attribute " Thomas Weißschuh
2024-12-09 17:43   ` Andrii Nakryiko
2024-12-05 17:35 ` [PATCH 4/4] btf: Switch module " Thomas Weißschuh
2024-12-09 17:45   ` Andrii Nakryiko

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