[PATCH v32 05/32] usb: host: xhci-plat: Set XHCI max interrupters if property is present

Wesley Cheng
2025-01-08T01:22:48Z

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 --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index e6c9006bd568..3acdbbd9aea3 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -267,6 +267,8 @@ 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);
}

/*