usb: chipidea: add power_budget limit for ehci to platform data
Some implementations need this limitation to work correctly.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/chipidea/ci13xxx_pci.c b/drivers/usb/chipidea/ci13xxx_pci.c
index f190140..e3dab27 100644
--- a/drivers/usb/chipidea/ci13xxx_pci.c
+++ b/drivers/usb/chipidea/ci13xxx_pci.c
@@ -33,6 +33,12 @@
.capoffset = 0,
};
+struct ci13xxx_udc_driver penwell_pci_driver = {
+ .name = UDC_DRIVER_NAME,
+ .capoffset = 0,
+ .power_budget = 200,
+};
+
/**
* ci13xxx_pci_probe: PCI probe
* @pdev: USB device controller being probed
@@ -153,7 +159,7 @@
},
{
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829),
- .driver_data = (kernel_ulong_t)&langwell_pci_driver,
+ .driver_data = (kernel_ulong_t)&penwell_pci_driver,
},
{ 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ }
};
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index 8c8362c..0cffcfe 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -116,6 +116,8 @@
hcd->regs = ci->hw_bank.abs;
hcd->has_tt = 1;
+ hcd->power_budget = ci->udc_driver->power_budget;
+
ehci = hcd_to_ehci(hcd);
ehci->caps = ci->hw_bank.cap;
ehci->has_hostpc = ci->hw_bank.lpm;