diff options
| author | Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> | 2019-02-04 11:21:29 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-23 20:09:49 +0100 |
| commit | edd7b6b9be979d8c4b0cdb3a369b636d7d397e75 (patch) | |
| tree | d3802fb652c8b3dd697b4a8f56d3cfc65befed9b /drivers/mailbox | |
| parent | 6ac400b7c5e8c0b2d3b4c60176bd58138b956a58 (diff) | |
mailbox: bcm-flexrm-mailbox: Fix FlexRM ring flush timeout issue
[ Upstream commit d7bf31a0f85faaf63c63c39d55154825a1eaaea9 ]
RING_CONTROL reg was not written due to wrong address, hence all
the subsequent ring flush was timing out.
Fixes: a371c10ea4b3 ("mailbox: bcm-flexrm-mailbox: Fix FlexRM ring flush sequence")
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/bcm-flexrm-mailbox.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c index 8ab077ff58f4..96bcabfebc23 100644 --- a/drivers/mailbox/bcm-flexrm-mailbox.c +++ b/drivers/mailbox/bcm-flexrm-mailbox.c @@ -1396,9 +1396,9 @@ static void flexrm_shutdown(struct mbox_chan *chan) /* Clear ring flush state */ timeout = 1000; /* timeout of 1s */ - writel_relaxed(0x0, ring + RING_CONTROL); + writel_relaxed(0x0, ring->regs + RING_CONTROL); do { - if (!(readl_relaxed(ring + RING_FLUSH_DONE) & + if (!(readl_relaxed(ring->regs + RING_FLUSH_DONE) & FLUSH_DONE_MASK)) break; mdelay(1); |