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net: qrtr: haven: Read peer name from device tree

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Add support for the primary vm to read the vm peer name from device
tree. This information is needed to share memory to the peer vm.

Change-Id: Ied71d254975e08dcf6c1c51f49687aceced141a9
Signed-off-by: Chris Lew <clew@codeaurora.org>
This commit is contained in:
Chris Lew 2020-06-12 14:52:29 -07:00
commit 026bc864e7
1 changed files with 9 additions and 0 deletions
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9
net/qrtr/haven.c
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@ -40,6 +40,7 @@ struct haven_pipe {
* @base: Base of the shared fifo.
* @size: fifo size.
* @master: primary vm indicator.
* @peer_name: name of vm peer.
* @label: label for haven resources
* @tx_dbl: doorbell for tx notifications.
* @rx_dbl: doorbell for rx notifications.
@ -54,6 +55,7 @@ struct qrtr_haven_dev {
void *base;
size_t size;
bool master;
u32 peer_name;
u32 label;
void *tx_dbl;
@ -336,12 +338,19 @@ static int qrtr_haven_probe(struct platform_device *pdev)
return ret;
}
qdev->master = of_property_read_bool(node, "qcom,master");
ret = qrtr_haven_map_memory(qdev);
if (ret)
return ret;
qrtr_haven_fifo_init(qdev);
if (qdev->master) {
ret = of_property_read_u32(node, "peer-name", &qdev->peer_name);
if (ret)
qdev->peer_name = HH_SELF_VM;
}
dbl_label = qdev->label;
qdev->tx_dbl = hh_dbl_tx_register(dbl_label);
if (IS_ERR_OR_NULL(qdev->tx_dbl)) {