| Message ID | 1646130507-26796-4-git-send-email-quic_c_sanm@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Refactor xhci quirks and plat private data | expand |
On Tue, Mar 01, 2022 at 03:58:27PM +0530, Sandeep Maheswaram wrote: > dwc3 manages PHY by own DRD driver, so skip the management by > HCD core. > During runtime suspend phy was not getting suspend because > runtime_usage value is 2. I do not understand this last sentence, sorry. Try rewriting this a bit to explain what is going on here. thanks, greg k-h
Hi Greg, On 3/18/2022 5:31 PM, Greg Kroah-Hartman wrote: > On Tue, Mar 01, 2022 at 03:58:27PM +0530, Sandeep Maheswaram wrote: >> dwc3 manages PHY by own DRD driver, so skip the management by >> HCD core. >> During runtime suspend phy was not getting suspend because >> runtime_usage value is 2. > I do not understand this last sentence, sorry. Try rewriting this a bit > to explain what is going on here. > > thanks, > > greg k-h Sure. I will update in the next version. Regards Sandeep
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index eda8719..d4fcf06 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -13,6 +13,12 @@ #include <linux/platform_device.h> #include "core.h" +#include <linux/usb/xhci-plat.h> +#include <linux/usb/xhci-quirks.h> + +static const struct xhci_plat_priv xhci_plat_dwc3_xhci = { + .quirks = XHCI_SKIP_PHY_INIT, +}; static void dwc3_host_fill_xhci_irq_res(struct dwc3 *dwc, int irq, char *name) @@ -122,6 +128,13 @@ int dwc3_host_init(struct dwc3 *dwc) } } + ret = platform_device_add_data(xhci, &xhci_plat_dwc3_xhci, + sizeof(xhci_plat_dwc3_xhci)); + if (ret) { + dev_err(dwc->dev, "failed to add data to xHCI\n"); + goto err; + } + ret = platform_device_add(xhci); if (ret) { dev_err(dwc->dev, "failed to register xHCI device\n");
dwc3 manages PHY by own DRD driver, so skip the management by HCD core. During runtime suspend phy was not getting suspend because runtime_usage value is 2. Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com> --- drivers/usb/dwc3/host.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)