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usb: host: xhci-plat: add resume_quirk()

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This patch adds resume_quirk() to do platform specific process in
resume timing.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yoshihiro Shimoda 2017-04-19 16:55:47 +03:00 committed by Greg Kroah-Hartman
parent 835e4241e7
commit 98c0a3ffa3
2 changed files with 16 additions and 0 deletions
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15
drivers/usb/host/xhci-plat.c
View File

@ -55,6 +55,16 @@ static int xhci_priv_init_quirk(struct usb_hcd *hcd)
return priv->init_quirk(hcd);
}
static int xhci_priv_resume_quirk(struct usb_hcd *hcd)
{
struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
if (!priv->resume_quirk)
return 0;
return priv->resume_quirk(hcd);
}
static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
{
/*
@ -369,10 +379,15 @@ static int xhci_plat_resume(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
int ret;
if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk))
clk_prepare_enable(xhci->clk);
ret = xhci_priv_resume_quirk(hcd);
if (ret)
return ret;
return xhci_resume(xhci, 0);
}
#endif /* CONFIG_PM_SLEEP */

1
drivers/usb/host/xhci-plat.h
View File

@ -17,6 +17,7 @@ struct xhci_plat_priv {
const char *firmware_name;
void (*plat_start)(struct usb_hcd *);
int (*init_quirk)(struct usb_hcd *);
int (*resume_quirk)(struct usb_hcd *);
};
#define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv)