| Message ID | 1495007690-14146-1-git-send-email-anup.patel@broadcom.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c index da67882..6aeac6e 100644 --- a/drivers/mailbox/bcm-flexrm-mailbox.c +++ b/drivers/mailbox/bcm-flexrm-mailbox.c @@ -1479,8 +1479,8 @@ static int flexrm_mbox_probe(struct platform_device *pdev) ring->cmpl_read_offset = 0; } - /* FlexRM is capable of 40-bit physical addresses only */ - ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); + /* FlexRM is capable of 39-bit physical addresses only */ + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(39)); if (ret) { ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); if (ret)
The output address of Broadcom FlexRM is 39bits and not 40bits hence we fix dma_mask setup in flexrm_mbox_probe() accordingly. Fixes: dbc049eee730 ("mailbox: Add driver for Broadcom FlexRM ring manager") Signed-off-by: Anup Patel <anup.patel@broadcom.com> Reviewed-by: Scott Branden <scott.branden@broadcom.com> --- drivers/mailbox/bcm-flexrm-mailbox.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)