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| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2017-04-19 16:55:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-19 19:59:17 +0200 |
| commit | 98c0a3ffa30c4b389257f7e7ee80ab9e90b78924 (patch) | |
| tree | 3a3e03c70d1ec5aafae8570d4c58d2fd6acd80f9 /drivers | |
| parent | 835e4241e714fbd659838618466766b132823da3 (diff) | |
| download | linux-98c0a3ffa30c4b389257f7e7ee80ab9e90b78924.tar.gz linux-98c0a3ffa30c4b389257f7e7ee80ab9e90b78924.tar.bz2 linux-98c0a3ffa30c4b389257f7e7ee80ab9e90b78924.zip | |
usb: host: xhci-plat: add resume_quirk()
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-plat.c | 15 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-plat.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index fd2a440f6f78..8ab517f94b24 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -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 */ diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 9af0cb48053f..29b227895b07 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -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) |