diff mbox series

[v3,13/28] usb: host: xhci-plat: Set XHCI max interrupters if property is present

Message ID 20230308235751.495-14-quic_wcheng@quicinc.com (mailing list archive)
State New, archived
Headers show
Series Introduce QC USB SND audio offloading support | expand

Commit Message

Wesley Cheng March 8, 2023, 11:57 p.m. UTC 
Some platforms may want to limit the number of XHCI interrupters allocated.
This is passed to xhci-plat as a device property.  Ensure that this is read
and the max_interrupters field is set.

Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
---
 drivers/usb/host/xhci-plat.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index b9f9625467d6..e4f9035db6e1 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -257,6 +257,8 @@  int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
 
 		device_property_read_u32(tmpdev, "imod-interval-ns",
 					 &xhci->imod_interval);
+		device_property_read_u16(tmpdev, "num-hc-interrupters",
+					 &xhci->max_interrupters);
 	}
 
 	hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, "usb-phy", 0);