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Cypfq: dlkm: Improve gcore_mmi driver

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- Add mutex for read touch firmware version.
- When upgrading firmware, do not read touch firmware version.

Change-Id: I25727899deb0ebb395379d4bdb0330075864044d
Signed-off-by: wengjun1 <wengjun1@motorola.com>
Reviewed-on: https://gerrit.mot.com/2030589
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
wengjun1 2021-08-02 18:36:37 +08:00 • committed by Jun Weng
commit d0ec532368
1 changed files with 10 additions and 0 deletions
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10
drivers/input/touchscreen/gcore_mmi/gcore_drv_fw_update.c
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@ -28,6 +28,7 @@ struct gcore_dev *gdev_fwu;
struct task_struct *fwu_thread;
DECLARE_COMPLETION(fw_update_complete);
u8 g_update_running;
static int gcore_fw_update_fn_init(struct gcore_dev *gdev);
static void gcore_fw_update_fn_remove(struct gcore_dev *gdev);
@ -457,6 +458,7 @@ int gcore_read_fw_version(u8 *version, int length)
#endif
#endif
mutex_lock(&gdev_fwu->transfer_lock);
gcore_enter_idm_mode();
msleep(1);
@ -480,7 +482,13 @@ int gcore_read_fw_version(u8 *version, int length)
msleep(1);
#endif
if (g_update_running) {
GTP_ERROR("fw update is running, do not read version!");
return 0;
}
gcore_exit_idm_mode();
mutex_unlock(&gdev_fwu->transfer_lock);
return 0;
@ -1587,6 +1595,7 @@ void gcore_request_firmware_update_work(struct work_struct *work)
#endif
g_ret_update = 0;
g_update_running = 1;
#ifdef CONFIG_GCORE_AUTO_UPDATE_FW_FLASHDOWNLOAD
if (gcore_auto_update_flashdownload_proc(fw_buf)) {
@ -1599,6 +1608,7 @@ void gcore_request_firmware_update_work(struct work_struct *work)
#endif
g_ret_update = 1;
g_update_running = 0;
return;
}