mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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72 lines
2.5 KiB
Diff
72 lines
2.5 KiB
Diff
From 8667cc5ed59b7a4b64d82d8014bead09bddb1f76 Mon Sep 17 00:00:00 2001
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From: Andrew Chant <achant@google.com>
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Date: Wed, 14 Sep 2016 19:28:37 -0700
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Subject: [PATCH] input: synaptics: defer sysfs creation during init
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sysfs entries are created which reference fwu->fwu_work.
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defer the creation of these sysfs entries until the end of the init
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function, after fwu->fwu_work has been initialized.
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Change-Id: I89bdf0088f98b4513d3f3c3c95ae967584dc5171
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Bug: 31252388
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Signed-off-by: Andrew Chant <achant@google.com>
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---
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.../synaptics_dsx25/synaptics_dsx_fw_update.c | 25 ++++++++++++++--------
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1 file changed, 16 insertions(+), 9 deletions(-)
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diff --git a/drivers/input/touchscreen/synaptics_dsx25/synaptics_dsx_fw_update.c b/drivers/input/touchscreen/synaptics_dsx25/synaptics_dsx_fw_update.c
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index 734baafa4cfa1..3edeaa22aa336 100755
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--- a/drivers/input/touchscreen/synaptics_dsx25/synaptics_dsx_fw_update.c
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+++ b/drivers/input/touchscreen/synaptics_dsx25/synaptics_dsx_fw_update.c
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@@ -4131,13 +4131,20 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
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fwu->do_lockdown = DO_LOCKDOWN;
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fwu->initialized = true;
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- retval = sysfs_create_bin_file(&rmi4_data->input_dev->dev.kobj,
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+#ifdef DO_STARTUP_FW_UPDATE
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+ fwu->fwu_workqueue = create_singlethread_workqueue("fwu_workqueue");
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+ INIT_WORK(&fwu->fwu_work, fwu_startup_fw_update_work);
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+ queue_work(fwu->fwu_workqueue,
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+ &fwu->fwu_work);
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+#endif
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+
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+ retval = sysfs_create_bin_file(&rmi4_data->input_dev->dev.kobj,
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&dev_attr_data);
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if (retval < 0) {
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dev_err(rmi4_data->pdev->dev.parent,
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"%s: Failed to create sysfs bin file\n",
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__func__);
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- goto exit_free_mem;
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+ goto exit_destroy_work;
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}
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for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) {
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@@ -4152,13 +4159,6 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
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}
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}
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-#ifdef DO_STARTUP_FW_UPDATE
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- fwu->fwu_workqueue = create_singlethread_workqueue("fwu_workqueue");
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- INIT_WORK(&fwu->fwu_work, fwu_startup_fw_update_work);
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- queue_work(fwu->fwu_workqueue,
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- &fwu->fwu_work);
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-#endif
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-
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return 0;
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exit_remove_attrs:
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@@ -4169,6 +4169,13 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
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sysfs_remove_bin_file(&rmi4_data->input_dev->dev.kobj, &dev_attr_data);
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+exit_destroy_work:
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+#ifdef DO_STARTUP_FW_UPDATE
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+ cancel_work_sync(&fwu->fwu_work);
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+ flush_workqueue(fwu->fwu_workqueue);
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+ destroy_workqueue(fwu->fwu_workqueue);
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+#endif
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+
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exit_free_mem:
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kfree(fwu->image_name);
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