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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /drivers/gpio/gpio-max7300.c
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'drivers/gpio/gpio-max7300.c')
-rw-r--r--drivers/gpio/gpio-max7300.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-max7300.c b/drivers/gpio/gpio-max7300.c
new file mode 100644
index 000000000..62f2434c0
--- /dev/null
+++ b/drivers/gpio/gpio-max7300.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2009 Wolfram Sang, Pengutronix
+ *
+ * Check max730x.c for further details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/i2c.h>
+#include <linux/spi/max7301.h>
+#include <linux/slab.h>
+
+static int max7300_i2c_write(struct device *dev, unsigned int reg,
+ unsigned int val)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ return i2c_smbus_write_byte_data(client, reg, val);
+}
+
+static int max7300_i2c_read(struct device *dev, unsigned int reg)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int max7300_probe(struct i2c_client *client)
+{
+ struct max7301 *ts;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ ts = devm_kzalloc(&client->dev, sizeof(struct max7301), GFP_KERNEL);
+ if (!ts)
+ return -ENOMEM;
+
+ ts->read = max7300_i2c_read;
+ ts->write = max7300_i2c_write;
+ ts->dev = &client->dev;
+
+ return __max730x_probe(ts);
+}
+
+static void max7300_remove(struct i2c_client *client)
+{
+ __max730x_remove(&client->dev);
+}
+
+static const struct i2c_device_id max7300_id[] = {
+ { .name = "max7300" },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, max7300_id);
+
+static struct i2c_driver max7300_driver = {
+ .driver = {
+ .name = "max7300",
+ },
+ .probe = max7300_probe,
+ .remove = max7300_remove,
+ .id_table = max7300_id,
+};
+
+static int __init max7300_init(void)
+{
+ return i2c_add_driver(&max7300_driver);
+}
+subsys_initcall(max7300_init);
+
+static void __exit max7300_exit(void)
+{
+ i2c_del_driver(&max7300_driver);
+}
+module_exit(max7300_exit);
+
+MODULE_AUTHOR("Wolfram Sang");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MAX7300 GPIO-Expander");