| Message ID | 20211205065528.1613881-4-m.chetan.kumar@linux.intel.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | net: wwan: iosm: Bug fixes | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Series has a cover letter |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 1 this patch: 1 |
| netdev/cc_maintainers | success | CCed 8 of 8 maintainers |
| netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 39 lines checked |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.c b/drivers/net/wwan/iosm/iosm_ipc_imem.c index 644a871585ea..ac36f9846731 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_imem.c +++ b/drivers/net/wwan/iosm/iosm_ipc_imem.c @@ -537,6 +537,9 @@ 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); @@ -1184,7 +1187,7 @@ 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); @@ -1348,6 +1351,8 @@ 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 cec38009c44a..d220f2611621 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 { diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c b/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c index 43f1796a8984..0757fd915437 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c +++ b/drivers/net/wwan/iosm/iosm_ipc_imem_ops.c @@ -471,6 +471,7 @@ 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,
Devlink initialization flow was overwriting the IP traffic channel configuration. This was causing wwan0 network interface to be unusable after fw flash. When device boots to fully functional mode restore the IP channel configuration. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> --- drivers/net/wwan/iosm/iosm_ipc_imem.c | 7 ++++++- drivers/net/wwan/iosm/iosm_ipc_imem.h | 1 + drivers/net/wwan/iosm/iosm_ipc_imem_ops.c | 1 + 3 files changed, 8 insertions(+), 1 deletion(-)