diff options
| author | Andrew Davis <afd@ti.com> | 2024-04-10 08:59:33 -0500 |
|---|---|---|
| committer | Jassi Brar <jassisinghbrar@gmail.com> | 2024-05-19 22:29:44 -0500 |
| commit | e9eceec61a3e064e75c8c5db75a03c3b1318bdd4 (patch) | |
| tree | 25c4dd05ddeee234a9d5f050c8567b8949ea85b4 /drivers/mailbox | |
| parent | 6979e8be50af143a373bf5905a176434a5880ca4 (diff) | |
| download | lwn-e9eceec61a3e064e75c8c5db75a03c3b1318bdd4.tar.gz lwn-e9eceec61a3e064e75c8c5db75a03c3b1318bdd4.zip | |
mailbox: omap: Move fifo size check to point of use
The mbox_kfifo_size can be changed at runtime, the sanity
check on it's value should be done when it is used, not
only once at init time.
Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/omap-mailbox.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c index c083734b6954..167348fb1b33 100644 --- a/drivers/mailbox/omap-mailbox.c +++ b/drivers/mailbox/omap-mailbox.c @@ -310,6 +310,7 @@ static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox, void (*work)(struct work_struct *)) { struct omap_mbox_queue *mq; + unsigned int size; if (!work) return NULL; @@ -320,7 +321,10 @@ static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox, spin_lock_init(&mq->lock); - if (kfifo_alloc(&mq->fifo, mbox_kfifo_size, GFP_KERNEL)) + /* kfifo size sanity check: alignment and minimal size */ + size = ALIGN(mbox_kfifo_size, sizeof(u32)); + size = max_t(unsigned int, size, sizeof(u32)); + if (kfifo_alloc(&mq->fifo, size, GFP_KERNEL)) goto error; INIT_WORK(&mq->work, work); @@ -838,10 +842,6 @@ static int __init omap_mbox_init(void) if (err) return err; - /* kfifo size sanity check: alignment and minimal size */ - mbox_kfifo_size = ALIGN(mbox_kfifo_size, sizeof(u32)); - mbox_kfifo_size = max_t(unsigned int, mbox_kfifo_size, sizeof(u32)); - err = platform_driver_register(&omap_mbox_driver); if (err) class_unregister(&omap_mbox_class); |