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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>
This commit is contained in:
Bitan Biswas 2019-06-14 09:31:00 -07:00 committed by Jassi Brar
parent 7836922d87
commit b1a399530c
1 changed files with 9 additions and 1 deletions
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10
drivers/mailbox/tegra-hsp.c
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@ -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, },