diff options
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/mailbox/bcm-pdc-mailbox.c | 11 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig index 97c372908e78..7817d40d81e7 100644 --- a/drivers/mailbox/Kconfig +++ b/drivers/mailbox/Kconfig @@ -127,6 +127,7 @@ config XGENE_SLIMPRO_MBOX config BCM_PDC_MBOX tristate "Broadcom PDC Mailbox" depends on ARM64 || COMPILE_TEST + depends on HAS_DMA default ARCH_BCM_IPROC help Mailbox implementation for the Broadcom PDC ring manager, diff --git a/drivers/mailbox/bcm-pdc-mailbox.c b/drivers/mailbox/bcm-pdc-mailbox.c index cbe0c1ee4ba9..c19dd820ea9b 100644 --- a/drivers/mailbox/bcm-pdc-mailbox.c +++ b/drivers/mailbox/bcm-pdc-mailbox.c @@ -469,7 +469,7 @@ static const struct file_operations pdc_debugfs_stats = { * this directory for a SPU. * @pdcs: PDC state structure */ -void pdc_setup_debugfs(struct pdc_state *pdcs) +static void pdc_setup_debugfs(struct pdc_state *pdcs) { char spu_stats_name[16]; @@ -485,7 +485,7 @@ void pdc_setup_debugfs(struct pdc_state *pdcs) &pdc_debugfs_stats); } -void pdc_free_debugfs(void) +static void pdc_free_debugfs(void) { if (debugfs_dir && simple_empty(debugfs_dir)) { debugfs_remove_recursive(debugfs_dir); @@ -1191,10 +1191,11 @@ static void pdc_shutdown(struct mbox_chan *chan) { struct pdc_state *pdcs = chan->con_priv; - if (pdcs) - dev_dbg(&pdcs->pdev->dev, - "Shutdown mailbox channel for PDC %u", pdcs->pdc_idx); + if (!pdcs) + return; + dev_dbg(&pdcs->pdev->dev, + "Shutdown mailbox channel for PDC %u", pdcs->pdc_idx); pdc_ring_free(pdcs); } |