[PATCH v25 07/33] usb: host: xhci-plat: Set XHCI max interrupters if property is present
From: Wesley Cheng <hidden>
Date: 2024-08-23 20:01:54
Also in:
alsa-devel, linux-arm-msm, linux-doc, linux-input, linux-sound, linux-usb, lkml
Subsystem:
the rest, usb subsystem, usb xhci driver · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Mathias Nyman
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 <redacted> --- 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 3d071b875308..1c12cadc02a1 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c@@ -258,6 +258,8 @@ 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); } /*