diff options
| author |   Bitan Biswas <bbiswas@nvidia.com> | 2019-06-14 09:31:00 -0700 |
|---|---|---|
| committer |   Jassi Brar <jaswinder.singh@linaro.org> | 2019-07-10 23:08:44 -0500 |
| commit | b1a399530ca9bc958ac48fe85837c791f89a3be2 (patch) | |
| tree | 41b2eb7ebb69e5b6159633e3cbbfcfcf7d813902 /drivers/mailbox | |
| parent | mailbox: bcm-flexrm-mailbox: using dev_get_drvdata directly (diff) | |
| download | wireguard-linux-b1a399530ca9bc958ac48fe85837c791f89a3be2.tar.xz wireguard-linux-b1a399530ca9bc958ac48fe85837c791f89a3be2.zip | |
mailbox: tegra: hsp: add noirq resume
Add noirq resume instead of resume callback for Tegra HSP. Tegra HSP
resume needs tegra_hsp_doorbell_startup() call to fix timeout error for
tegra_bpmp_transfer() during genpd resume noirq on Jetson TX2.
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/tegra-hsp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c index 91f1a0c62779..91e223e05e1d 100644 --- a/drivers/mailbox/tegra-hsp.c +++ b/drivers/mailbox/tegra-hsp.c @@ -775,6 +775,12 @@ static int __maybe_unused tegra_hsp_resume(struct device *dev) { struct tegra_hsp *hsp = dev_get_drvdata(dev); unsigned int i; + struct tegra_hsp_doorbell *db; + + list_for_each_entry(db, &hsp->doorbells, list) { + if (db && db->channel.chan) + tegra_hsp_doorbell_startup(db->channel.chan); + } for (i = 0; i < hsp->num_sm; i++) { struct tegra_hsp_mailbox *mb = &hsp->mailboxes[i]; @@ -786,7 +792,9 @@ static int __maybe_unused tegra_hsp_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(tegra_hsp_pm_ops, NULL, tegra_hsp_resume); +static const struct dev_pm_ops tegra_hsp_pm_ops = { + .resume_noirq = tegra_hsp_resume, +}; static const struct tegra_hsp_db_map tegra186_hsp_db_map[] = { { "ccplex", TEGRA_HSP_DB_MASTER_CCPLEX, HSP_DB_CCPLEX, }, |