[PATCH 1/2] usb: xhci-mtk: rebuild xhci_mtk_setup()

From: Chunfeng Yun
Date: Tue Mar 07 2017 - 02:24:54 EST


simplify xhci_mtk_setup() and add xhci_mtk_start() for
xhci_driver_overrides struct

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
drivers/usb/host/xhci-mtk.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 67d5dc7..9636884 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -381,8 +381,10 @@ static int usb_wakeup_of_property_parse(struct xhci_hcd_mtk *mtk,
}

static int xhci_mtk_setup(struct usb_hcd *hcd);
+static int xhci_mtk_start(struct usb_hcd *hcd);
static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = {
.reset = xhci_mtk_setup,
+ .start = xhci_mtk_start,
};

static struct hc_driver __read_mostly xhci_mtk_hc_driver;
@@ -492,7 +494,6 @@ static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd *xhci)
/* called during probe() after chip reset completes */
static int xhci_mtk_setup(struct usb_hcd *hcd)
{
- struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
int ret;

@@ -502,9 +503,14 @@ static int xhci_mtk_setup(struct usb_hcd *hcd)
return ret;
}

- ret = xhci_gen_setup(hcd, xhci_mtk_quirks);
- if (ret)
- return ret;
+ return xhci_gen_setup(hcd, xhci_mtk_quirks);
+}
+
+static int xhci_mtk_start(struct usb_hcd *hcd)
+{
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
+ int ret;

if (usb_hcd_is_primary_hcd(hcd)) {
mtk->num_u3_ports = xhci->num_usb3_ports;
@@ -514,7 +520,7 @@ static int xhci_mtk_setup(struct usb_hcd *hcd)
return ret;
}

- return ret;
+ return xhci_run(hcd);
}

static int xhci_mtk_probe(struct platform_device *pdev)
--
1.7.9.5