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| author | Prashanth Bhatta <bhattap@codeaurora.org> | 2017-02-08 10:04:56 -0800 |
|---|---|---|
| committer | qcabuildsw <qcabuildsw@localhost> | 2017-02-12 18:31:37 -0800 |
| commit | 447bcb6523c92bc51f811952e0467685f60718f2 (patch) | |
| tree | 69faaacab7d30268bafb0c0e704330ffd23744e4 /core/pld/src/pld_snoc.c | |
| parent | 68acf73b5f005002a538a0af669b87b3d009165a (diff) | |
| download | qcacld-447bcb6523c92bc51f811952e0467685f60718f2.tar.gz | |
qcacld-3.0: Implement uevent call back for snoc
Platform driver icnss can provide uevent notification like FW
ready & FW crashed. Register the call back for notification and
update driver state for FW crashed indication so that driver
doesn't have to wait for shutdown call back to know FW crashed.
CRs-fixed: 2004309
Change-Id: I48afe8e023107aba8362324e3adabf6d50996b67
Diffstat (limited to 'core/pld/src/pld_snoc.c')
| -rw-r--r-- | core/pld/src/pld_snoc.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/core/pld/src/pld_snoc.c b/core/pld/src/pld_snoc.c index 03aa4ec619..2056556f68 100644 --- a/core/pld/src/pld_snoc.c +++ b/core/pld/src/pld_snoc.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016 The Linux Foundation. All rights reserved. + * Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. * * Previously licensed under the ISC license by Qualcomm Atheros, Inc. * @@ -205,8 +205,7 @@ static int pld_snoc_suspend_noirq(struct device *dev) return -EINVAL; if (pld_context->ops->suspend_noirq) - return pld_context->ops-> - suspend_noirq(dev, PLD_BUS_TYPE_SNOC); + return pld_context->ops->suspend_noirq(dev, PLD_BUS_TYPE_SNOC); return 0; } @@ -231,8 +230,35 @@ static int pld_snoc_resume_noirq(struct device *dev) return -EINVAL; if (pld_context->ops->resume_noirq) - return pld_context->ops-> - resume_noirq(dev, PLD_BUS_TYPE_SNOC); + return pld_context->ops->resume_noirq(dev, PLD_BUS_TYPE_SNOC); + + return 0; +} + +static int pld_snoc_uevent(struct device *dev, + struct icnss_uevent_data *uevent) +{ + struct pld_context *pld_context; + uint32_t status; + + pld_context = pld_get_global_context(); + if (!pld_context) + return -EINVAL; + + if (!pld_context->ops->update_status) + goto out; + + switch (uevent->uevent) { + case ICNSS_UEVENT_FW_CRASHED: + status = PLD_RECOVERY; + break; + default: + goto out; + } + + pld_context->ops->update_status(dev, status); + +out: return 0; } @@ -247,6 +273,7 @@ struct icnss_driver_ops pld_snoc_ops = { .pm_resume = pld_snoc_pm_resume, .suspend_noirq = pld_snoc_suspend_noirq, .resume_noirq = pld_snoc_resume_noirq, + .uevent = pld_snoc_uevent, }; /** |