Some implementations need this limitation to work correctly.
Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
---
drivers/usb/chipidea/ci13xxx_pci.c | 8 +++++++-
drivers/usb/chipidea/host.c | 2 ++
include/linux/usb/chipidea.h | 1 +
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/chipidea/ci13xxx_pci.c b/drivers/usb/chipidea/ci13xxx_pci.c
index 3e53ef1..70fd74a 100644
--- a/drivers/usb/chipidea/ci13xxx_pci.c
+++ b/drivers/usb/chipidea/ci13xxx_pci.c
@@ -33,6 +33,12 @@ struct ci13xxx_udc_driver langwell_pci_driver = {
.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
@@ -151,7 +157,7 @@ static DEFINE_PCI_DEVICE_TABLE(ci13xxx_pci_id_table) = {
},
{
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 126753c..32ad418 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -117,6 +117,8 @@ static int host_start(struct ci13xxx *ci)
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->regs = ci->hw_bank.cap +
diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
index 86273ce..edb90d6 100644
--- a/include/linux/usb/chipidea.h
+++ b/include/linux/usb/chipidea.h
@@ -10,6 +10,7 @@ struct ci13xxx_udc_driver {
const char *name;
/* offset of the capability registers */
uintptr_t capoffset;
+ unsigned power_budget;
unsigned long flags;
#define CI13XXX_REGS_SHARED BIT(0)
#define CI13XXX_REQUIRE_TRANSCEIVER BIT(1)
--
1.7.10
--
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