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Diffstat (limited to 'drivers/net/wwan/iosm')
-rw-r--r--drivers/net/wwan/iosm/iosm_ipc_imem.c26
-rw-r--r--drivers/net/wwan/iosm/iosm_ipc_imem.h4
-rw-r--r--drivers/net/wwan/iosm/iosm_ipc_imem_ops.c7
3 files changed, 19 insertions, 18 deletions
diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.c b/drivers/net/wwan/iosm/iosm_ipc_imem.c
index cff3b43ca4d7..12c03dacb5dd 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_imem.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_imem.c
@@ -181,9 +181,9 @@ void ipc_imem_hrtimer_stop(struct hrtimer *hr_timer)
bool ipc_imem_ul_write_td(struct iosm_imem *ipc_imem)
{
struct ipc_mem_channel *channel;
+ bool hpda_ctrl_pending = false;
struct sk_buff_head *ul_list;
bool hpda_pending = false;
- bool forced_hpdu = false;
struct ipc_pipe *pipe;
int i;
@@ -200,15 +200,19 @@ bool ipc_imem_ul_write_td(struct iosm_imem *ipc_imem)
ul_list = &channel->ul_list;
/* Fill the transfer descriptor with the uplink buffer info. */
- hpda_pending |= ipc_protocol_ul_td_send(ipc_imem->ipc_protocol,
+ if (!ipc_imem_check_wwan_ips(channel)) {
+ hpda_ctrl_pending |=
+ ipc_protocol_ul_td_send(ipc_imem->ipc_protocol,
pipe, ul_list);
-
- /* forced HP update needed for non data channels */
- if (hpda_pending && !ipc_imem_check_wwan_ips(channel))
- forced_hpdu = true;
+ } else {
+ hpda_pending |=
+ ipc_protocol_ul_td_send(ipc_imem->ipc_protocol,
+ pipe, ul_list);
+ }
}
- if (forced_hpdu) {
+ /* forced HP update needed for non data channels */
+ if (hpda_ctrl_pending) {
hpda_pending = false;
ipc_protocol_doorbell_trigger(ipc_imem->ipc_protocol,
IPC_HP_UL_WRITE_TD);
@@ -527,6 +531,9 @@ static void ipc_imem_run_state_worker(struct work_struct *instance)
return;
}
+ if (test_and_clear_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag))
+ ipc_devlink_deinit(ipc_imem->ipc_devlink);
+
if (!ipc_imem_setup_cp_mux_cap_init(ipc_imem, &mux_cfg))
ipc_imem->mux = ipc_mux_init(&mux_cfg, ipc_imem);
@@ -1167,7 +1174,7 @@ void ipc_imem_cleanup(struct iosm_imem *ipc_imem)
ipc_port_deinit(ipc_imem->ipc_port);
}
- if (ipc_imem->ipc_devlink)
+ if (test_and_clear_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag))
ipc_devlink_deinit(ipc_imem->ipc_devlink);
ipc_imem_device_ipc_uninit(ipc_imem);
@@ -1263,7 +1270,6 @@ struct iosm_imem *ipc_imem_init(struct iosm_pcie *pcie, unsigned int device_id,
ipc_imem->pci_device_id = device_id;
- ipc_imem->ev_cdev_write_pending = false;
ipc_imem->cp_version = 0;
ipc_imem->device_sleep = IPC_HOST_SLEEP_ENTER_SLEEP;
@@ -1331,6 +1337,8 @@ struct iosm_imem *ipc_imem_init(struct iosm_pcie *pcie, unsigned int device_id,
if (ipc_flash_link_establish(ipc_imem))
goto devlink_channel_fail;
+
+ set_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag);
}
return ipc_imem;
devlink_channel_fail:
diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.h b/drivers/net/wwan/iosm/iosm_ipc_imem.h
index 6be6708b4eec..6b8a837faef2 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_imem.h
+++ b/drivers/net/wwan/iosm/iosm_ipc_imem.h
@@ -101,6 +101,7 @@ struct ipc_chnl_cfg;
#define IOSM_CHIP_INFO_SIZE_MAX 100
#define FULLY_FUNCTIONAL 0
+#define IOSM_DEVLINK_INIT 1
/* List of the supported UL/DL pipes. */
enum ipc_mem_pipes {
@@ -335,8 +336,6 @@ enum ipc_phase {
* process the irq actions.
* @flag: Flag to monitor the state of driver
* @td_update_timer_suspended: if true then td update timer suspend
- * @ev_cdev_write_pending: 0 means inform the IPC tasklet to pass
- * the accumulated uplink buffers to CP.
* @ev_mux_net_transmit_pending:0 means inform the IPC tasklet to pass
* @reset_det_n: Reset detect flag
* @pcie_wake_n: Pcie wake flag
@@ -374,7 +373,6 @@ struct iosm_imem {
u8 ev_irq_pending[IPC_IRQ_VECTORS];
unsigned long flag;
u8 td_update_timer_suspended:1,
- ev_cdev_write_pending:1,
ev_mux_net_transmit_pending:1,
reset_det_n:1,
pcie_wake_n:1;
diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c b/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c
index 825e8e5ffb2a..831cdae28e8a 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c
@@ -41,7 +41,6 @@ void ipc_imem_sys_wwan_close(struct iosm_imem *ipc_imem, int if_id,
static int ipc_imem_tq_cdev_write(struct iosm_imem *ipc_imem, int arg,
void *msg, size_t size)
{
- ipc_imem->ev_cdev_write_pending = false;
ipc_imem_ul_send(ipc_imem);
return 0;
@@ -50,11 +49,6 @@ static int ipc_imem_tq_cdev_write(struct iosm_imem *ipc_imem, int arg,
/* Through tasklet to do sio write. */
static int ipc_imem_call_cdev_write(struct iosm_imem *ipc_imem)
{
- if (ipc_imem->ev_cdev_write_pending)
- return -1;
-
- ipc_imem->ev_cdev_write_pending = true;
-
return ipc_task_queue_send_task(ipc_imem, ipc_imem_tq_cdev_write, 0,
NULL, 0, false);
}
@@ -450,6 +444,7 @@ void ipc_imem_sys_devlink_close(struct iosm_devlink *ipc_devlink)
/* Release the pipe resources */
ipc_imem_pipe_cleanup(ipc_imem, &channel->ul_pipe);
ipc_imem_pipe_cleanup(ipc_imem, &channel->dl_pipe);
+ ipc_imem->nr_of_channels--;
}
void ipc_imem_sys_devlink_notify_rx(struct iosm_devlink *ipc_devlink,