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authorAlex Elder <elder@linaro.org>2015-10-27 22:18:40 -0500
committerGreg Kroah-Hartman <gregkh@google.com>2015-11-02 10:38:36 -0800
commitcbec7e2919f04d3d1abea1cde93a8052e2e8ef04 (patch)
tree2c7a1f94d34a5eef75ba1d01c909c29252403902 /drivers/staging/greybus/es2.c
parent8995a39d6d030b48633c9a2ed85d3244907acff0 (diff)
downloadop-kernel-dev-cbec7e2919f04d3d1abea1cde93a8052e2e8ef04.zip
op-kernel-dev-cbec7e2919f04d3d1abea1cde93a8052e2e8ef04.tar.gz
greybus: es2: move logging dentries into es2 struct
Finish moving the logging data structures into the es2 AP data structure rather than having it be a single global. This patch moves the two dentries related to logging. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/es2.c')
-rw-r--r--drivers/staging/greybus/es2.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/staging/greybus/es2.c b/drivers/staging/greybus/es2.c
index 3de5ba19..fc3930f 100644
--- a/drivers/staging/greybus/es2.c
+++ b/drivers/staging/greybus/es2.c
@@ -29,8 +29,6 @@ static const struct usb_device_id id_table[] = {
MODULE_DEVICE_TABLE(usb, id_table);
#define APB1_LOG_SIZE SZ_16K
-static struct dentry *apb1_log_dentry;
-static struct dentry *apb1_log_enable_dentry;
/* Number of bulk in and bulk out couple */
#define NUM_BULKS 7
@@ -97,6 +95,8 @@ struct es2_cport_out {
* @cport_out_urb_lock: locks the @cport_out_urb_busy "list"
*
* @apb1_log_task: task pointer for logging thread
+ * @apb1_log_dentry: file system entry for the log file interface
+ * @apb1_log_enable_dentry: file system entry for enabling logging
* @apb1_log_fifo: kernel FIFO to carry logged data
*/
struct es2_ap_dev {
@@ -114,6 +114,8 @@ struct es2_ap_dev {
int *cport_to_ep;
struct task_struct *apb1_log_task;
+ struct dentry *apb1_log_dentry;
+ struct dentry *apb1_log_enable_dentry;
DECLARE_KFIFO(apb1_log_fifo, char, APB1_LOG_SIZE);
};
@@ -689,7 +691,7 @@ static void usb_log_enable(struct es2_ap_dev *es2)
es2->apb1_log_task = kthread_run(apb1_log_poll, es2, "apb1_log");
if (IS_ERR(es2->apb1_log_task))
return;
- apb1_log_dentry = debugfs_create_file("apb1_log", S_IRUGO,
+ es2->apb1_log_dentry = debugfs_create_file("apb1_log", S_IRUGO,
gb_debugfs_get(), NULL,
&apb1_log_fops);
}
@@ -699,8 +701,8 @@ static void usb_log_disable(struct es2_ap_dev *es2)
if (IS_ERR_OR_NULL(es2->apb1_log_task))
return;
- debugfs_remove(apb1_log_dentry);
- apb1_log_dentry = NULL;
+ debugfs_remove(es2->apb1_log_dentry);
+ es2->apb1_log_dentry = NULL;
kthread_stop(es2->apb1_log_task);
es2->apb1_log_task = NULL;
@@ -890,7 +892,7 @@ static int ap_probe(struct usb_interface *interface,
es2->cport_out_urb_busy[i] = false; /* just to be anal */
}
- apb1_log_enable_dentry = debugfs_create_file("apb1_log_enable",
+ es2->apb1_log_enable_dentry = debugfs_create_file("apb1_log_enable",
(S_IWUSR | S_IRUGO),
gb_debugfs_get(), es2,
&apb1_log_enable_fops);
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