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Message-ID: <20170209212508.GA24684@dtor-ws>
Date: Thu, 9 Feb 2017 13:25:08 -0800
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: linux-input@...r.kernel.org
Cc: Benjamin Tissoires <benjamin.tissoires@...hat.com>,
Andrew Duggan <aduggan@...aptics.com>,
Nick Dyer <nick@...anahar.org>,
Christopher Heiny <cheiny@...aptics.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH] Input: synaptics-rmi4 - create firmware update sysfs
attribute in F34
There is no need to create sysfs attributes in the main driver core,
let F34 implementation do that.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
drivers/input/rmi4/rmi_driver.c | 5 ---
drivers/input/rmi4/rmi_driver.h | 14 -------
drivers/input/rmi4/rmi_f34.c | 87 +++++++++++++++++++++++------------------
3 files changed, 50 insertions(+), 56 deletions(-)
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index d64fc92858f2..d9cfe4ec93fa 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -1001,7 +1001,6 @@ static int rmi_driver_remove(struct device *dev)
rmi_disable_irq(rmi_dev, false);
- rmi_f34_remove_sysfs(rmi_dev);
rmi_free_function_list(rmi_dev);
return 0;
@@ -1215,10 +1214,6 @@ static int rmi_driver_probe(struct device *dev)
if (retval)
goto err;
- retval = rmi_f34_create_sysfs(rmi_dev);
- if (retval)
- goto err;
-
if (data->input) {
rmi_driver_set_input_name(rmi_dev, data->input);
if (!rmi_dev->xport->input) {
diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h
index f1a2a2266022..1ada14d7d005 100644
--- a/drivers/input/rmi4/rmi_driver.h
+++ b/drivers/input/rmi4/rmi_driver.h
@@ -120,20 +120,6 @@ static inline int rmi_f03_overwrite_button(struct rmi_function *fn,
static inline void rmi_f03_commit_buttons(struct rmi_function *fn) {}
#endif
-#ifdef CONFIG_RMI4_F34
-int rmi_f34_create_sysfs(struct rmi_device *rmi_dev);
-void rmi_f34_remove_sysfs(struct rmi_device *rmi_dev);
-#else
-static inline int rmi_f34_create_sysfs(struct rmi_device *rmi_dev)
-{
- return 0;
-}
-
-static inline void rmi_f34_remove_sysfs(struct rmi_device *rmi_dev)
-{
-}
-#endif /* CONFIG_RMI_F34 */
-
extern struct rmi_function_handler rmi_f01_handler;
extern struct rmi_function_handler rmi_f03_handler;
extern struct rmi_function_handler rmi_f11_handler;
diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c
index 425fe140e9df..d4d5297d5a8b 100644
--- a/drivers/input/rmi4/rmi_f34.c
+++ b/drivers/input/rmi4/rmi_f34.c
@@ -509,33 +509,21 @@ static struct attribute_group rmi_firmware_attr_group = {
.attrs = rmi_firmware_attrs,
};
-static int rmi_f34_probe(struct rmi_function *fn)
+static int rmi_f34v5_probe(struct f34_data *f34)
{
- struct f34_data *f34;
- unsigned char f34_queries[9];
+ struct rmi_function *fn = f34->fn;
+ u8 f34_queries[9];
bool has_config_id;
- u8 version = fn->fd.function_version;
- int ret;
-
- f34 = devm_kzalloc(&fn->dev, sizeof(struct f34_data), GFP_KERNEL);
- if (!f34)
- return -ENOMEM;
-
- f34->fn = fn;
- dev_set_drvdata(&fn->dev, f34);
-
- /* v5 code only supported version 0, try V7 probe */
- if (version > 0)
- return rmi_f34v7_probe(f34);
+ int error;
f34->bl_version = 5;
- ret = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr,
- f34_queries, sizeof(f34_queries));
- if (ret) {
- dev_err(&fn->dev, "%s: Failed to query properties\n",
- __func__);
- return ret;
+ error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr,
+ f34_queries, sizeof(f34_queries));
+ if (error) {
+ dev_err(&fn->dev, "%s: Failed to query properties: %d\n",
+ __func__, error);
+ return error;
}
snprintf(f34->bootloader_id, sizeof(f34->bootloader_id),
@@ -548,8 +536,8 @@ static int rmi_f34_probe(struct rmi_function *fn)
f34->v5.fw_blocks = get_unaligned_le16(&f34_queries[5]);
f34->v5.config_blocks = get_unaligned_le16(&f34_queries[7]);
f34->v5.ctrl_address = fn->fd.data_base_addr + F34_BLOCK_DATA_OFFSET +
- f34->v5.block_size;
- has_config_id = f34_queries[2] & (1 << 2);
+ f34->v5.block_size;
+ has_config_id = f34_queries[2] & BIT(2);
rmi_dbg(RMI_DEBUG_FN, &fn->dev, "Bootloader ID: %s\n",
f34->bootloader_id);
@@ -561,11 +549,11 @@ static int rmi_f34_probe(struct rmi_function *fn)
f34->v5.config_blocks);
if (has_config_id) {
- ret = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr,
- f34_queries, sizeof(f34_queries));
- if (ret) {
+ error = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr,
+ f34_queries, sizeof(f34_queries));
+ if (error) {
dev_err(&fn->dev, "Failed to read F34 config ID\n");
- return ret;
+ return error;
}
snprintf(f34->configuration_id, sizeof(f34->configuration_id),
@@ -580,21 +568,46 @@ static int rmi_f34_probe(struct rmi_function *fn)
return 0;
}
-int rmi_f34_create_sysfs(struct rmi_device *rmi_dev)
+static int rmi_f34_probe(struct rmi_function *fn)
{
- return sysfs_create_group(&rmi_dev->dev.kobj, &rmi_firmware_attr_group);
+ struct f34_data *f34;
+ u8 version = fn->fd.function_version;
+ int error;
+
+ f34 = devm_kzalloc(&fn->dev, sizeof(struct f34_data), GFP_KERNEL);
+ if (!f34)
+ return -ENOMEM;
+
+ f34->fn = fn;
+ dev_set_drvdata(&fn->dev, f34);
+
+ /* v5 code only supported version 0 */
+ error = version > 0 ? rmi_f34v7_probe(f34) : rmi_f34v5_probe(f34);
+ if (error)
+ return error;
+
+ error = sysfs_create_group(&fn->rmi_dev->dev.kobj,
+ &rmi_firmware_attr_group);
+ if (error) {
+ dev_err(&fn->dev, "%s: Failed to create sysfs attributes: %d\n",
+ __func__, error);
+ return error;
+ }
+
+ return 0;
}
-void rmi_f34_remove_sysfs(struct rmi_device *rmi_dev)
+static void rmi_f34_remove(struct rmi_function *fn)
{
- sysfs_remove_group(&rmi_dev->dev.kobj, &rmi_firmware_attr_group);
+ sysfs_remove_group(&fn->rmi_dev->dev.kobj, &rmi_firmware_attr_group);
}
struct rmi_function_handler rmi_f34_handler = {
- .driver = {
- .name = "rmi4_f34",
+ .driver = {
+ .name = "rmi4_f34",
},
- .func = 0x34,
- .probe = rmi_f34_probe,
- .attention = rmi_f34_attention,
+ .func = 0x34,
+ .probe = rmi_f34_probe,
+ .remove = rmi_f34_remove,
+ .attention = rmi_f34_attention,
};
--
2.11.0.483.g087da7b7c-goog
--
Dmitry
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