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authorBitan Biswas <bbiswas@nvidia.com>2019-06-14 19:31:00 +0300
committerJassi Brar <jaswinder.singh@linaro.org>2019-07-11 07:08:44 +0300
commitb1a399530ca9bc958ac48fe85837c791f89a3be2 (patch)
tree41b2eb7ebb69e5b6159633e3cbbfcfcf7d813902 /drivers/mailbox
parent7836922d87175dbc9bc972a1aca08d2c8b6f5045 (diff)
downloadlinux-b1a399530ca9bc958ac48fe85837c791f89a3be2.tar.xz
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.c10
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, },