diff options
| author | Anurag Chouhan <achouhan@codeaurora.org> | 2017-04-10 17:26:47 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-04-28 00:01:54 -0700 |
| commit | d65bd33775807fb23a23b49b2bafd936b8e5ad6e (patch) | |
| tree | a1fa6216bce1a8763c3ecf5d6312c7bac35c59c1 /drivers | |
| parent | 0abd412d833e1f914d366a89d533bcb5cd6be7c7 (diff) | |
icnss: Add support to handle SSR within SSR
Add state bit to defer recursive shutdown. This state
bit adds support for synchronization between reinit
and shutdown method during SSR within SSR.
Change-Id: Ifb857ecdb6545709706380631c423f0e24269e11
Signed-off-by: Anurag Chouhan <achouhan@codeaurora.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/soc/qcom/icnss.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/soc/qcom/icnss.c b/drivers/soc/qcom/icnss.c index ab46eb70651c..51a6e3bf0e64 100644 --- a/drivers/soc/qcom/icnss.c +++ b/drivers/soc/qcom/icnss.c @@ -202,6 +202,7 @@ enum icnss_driver_state { ICNSS_MSA0_ASSIGNED, ICNSS_WLFW_EXISTS, ICNSS_WDOG_BITE, + ICNSS_SHUTDOWN_DONE, }; struct ce_irq_list { @@ -1990,9 +1991,13 @@ static int icnss_call_driver_shutdown(struct icnss_priv *priv) if (!priv->ops || !priv->ops->shutdown) goto out; + if (test_bit(ICNSS_SHUTDOWN_DONE, &penv->state)) + goto out; + icnss_pr_dbg("Calling driver shutdown state: 0x%lx\n", priv->state); priv->ops->shutdown(&priv->pdev->dev); + set_bit(ICNSS_SHUTDOWN_DONE, &penv->state); out: return 0; @@ -2030,6 +2035,7 @@ static int icnss_pd_restart_complete(struct icnss_priv *priv) } out: + clear_bit(ICNSS_SHUTDOWN_DONE, &penv->state); return 0; call_probe: @@ -3667,6 +3673,9 @@ static int icnss_stats_show_state(struct seq_file *s, struct icnss_priv *priv) case ICNSS_WDOG_BITE: seq_puts(s, "MODEM WDOG BITE"); continue; + case ICNSS_SHUTDOWN_DONE: + seq_puts(s, "SHUTDOWN DONE"); + continue; } seq_printf(s, "UNKNOWN-%d", i); |