diff options
Diffstat (limited to 'kernel/drivers/mailbox/pcc.c')
| -rw-r--r-- | kernel/drivers/mailbox/pcc.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/kernel/drivers/mailbox/pcc.c b/kernel/drivers/mailbox/pcc.c index 7e91d68a3..45d85aea9 100644 --- a/kernel/drivers/mailbox/pcc.c +++ b/kernel/drivers/mailbox/pcc.c @@ -122,7 +122,7 @@ struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl, */ chan = get_pcc_channel(subspace_id); - if (!chan || chan->cl) { + if (IS_ERR(chan) || chan->cl) { dev_err(dev, "Channel not found for idx: %d\n", subspace_id); return ERR_PTR(-EBUSY); } @@ -198,7 +198,7 @@ static int pcc_send_data(struct mbox_chan *chan, void *data) return 0; } -static struct mbox_chan_ops pcc_chan_ops = { +static const struct mbox_chan_ops pcc_chan_ops = { .send_data = pcc_send_data, }; @@ -352,4 +352,10 @@ static int __init pcc_init(void) return 0; } -device_initcall(pcc_init); + +/* + * Make PCC init postcore so that users of this mailbox + * such as the ACPI Processor driver have it available + * at their init. + */ +postcore_initcall(pcc_init); |