On 3/13/23 20:38, Mathieu Poirier wrote:
On Fri, Mar 10, 2023 at 05:24:04PM -0800, Tanmay Shah wrote:If child mailbox node status is disabled it causes crash in interrupt handler. Fix this by assigning only available child node during driver probe. Fixes: 4981b82ba2ff ("mailbox: ZynqMP IPI mailbox controller") Signed-off-by: Tanmay Shah <tanmay.shah@xxxxxxx> --- Changes in v5: - mailbox node count should not be 0 for driver to probe drivers/mailbox/zynqmp-ipi-mailbox.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/zynqmp-ipi-mailbox.c index a4c8d23c76e2..ae47fbac38d2 100644 --- a/drivers/mailbox/zynqmp-ipi-mailbox.c +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c @@ -634,7 +634,12 @@ static int zynqmp_ipi_probe(struct platform_device *pdev) struct zynqmp_ipi_mbox *mbox; int num_mboxes, ret = -EINVAL;- num_mboxes = of_get_child_count(np);+ num_mboxes = of_get_available_child_count(np); + if (num_mboxes == 0) { + dev_err(dev, "mailbox nodes not available\n"); + return -EINVAL; + } +This patchset looks good now. I'll queue it once I get an ack from Michal.
Patches 1,2,3 are acked by me already. 4,5 are remoteproc one which I am not testing.
If 4,5 are fine please queue them. Thanks, Michal
