[PATCH] mailbox: bcm-flexrm-mailbox: Fix typo in dma_mask setup
From: Anup Patel <hidden>
Date: 2017-05-17 07:55:14
Also in:
lkml
Subsystem:
mailbox api, the rest · Maintainers:
Jassi Brar, Linus Torvalds
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 <redacted>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
---
drivers/mailbox/bcm-flexrm-mailbox.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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)
--
2.7.4