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Subject[PATCH] usb: host: xhci-plat: move clk to plat own private structure
commit 4efb2f694114 ("usb: host: xhci-plat: add struct xhci_plat_priv")
introduced struct xhci_plat_priv to hold the plat driver's specific
variables. The clk is only for plat driver, so let's move it to the
proper structure.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
---
drivers/usb/host/xhci-plat.c | 17 +++++++++++------
drivers/usb/host/xhci-plat.h | 2 ++
drivers/usb/host/xhci.h | 2 --
3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 09f164f..4cd9162 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -152,6 +152,7 @@ static int xhci_plat_probe(struct platform_device *pdev)
{
const struct xhci_plat_priv *priv_match;
const struct hc_driver *driver;
+ struct xhci_plat_priv *priv;
struct device *sysdev;
struct xhci_hcd *xhci;
struct resource *res;
@@ -240,6 +241,7 @@ static int xhci_plat_probe(struct platform_device *pdev)
}

xhci = hcd_to_xhci(hcd);
+ priv = hcd_to_xhci_priv(hcd);
priv_match = of_device_get_match_data(&pdev->dev);
if (priv_match) {
struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
@@ -251,7 +253,7 @@ static int xhci_plat_probe(struct platform_device *pdev)

device_wakeup_enable(hcd->self.controller);

- xhci->clk = clk;
+ priv->clk = clk;
xhci->main_hcd = hcd;
xhci->shared_hcd = __usb_create_hcd(driver, sysdev, &pdev->dev,
dev_name(&pdev->dev), hcd);
@@ -331,7 +333,8 @@ static int xhci_plat_remove(struct platform_device *dev)
{
struct usb_hcd *hcd = platform_get_drvdata(dev);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct clk *clk = xhci->clk;
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+ struct clk *clk = priv->clk;

xhci->xhc_state |= XHCI_STATE_REMOVING;

@@ -355,6 +358,7 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
int ret;

/*
@@ -367,8 +371,8 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev)
*/
ret = xhci_suspend(xhci, device_may_wakeup(dev));

- if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk))
- clk_disable_unprepare(xhci->clk);
+ if (!device_may_wakeup(dev) && !IS_ERR(priv->clk))
+ clk_disable_unprepare(priv->clk);

return ret;
}
@@ -377,10 +381,11 @@ static int __maybe_unused xhci_plat_resume(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
int ret;

- if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk))
- clk_prepare_enable(xhci->clk);
+ if (!device_may_wakeup(dev) && !IS_ERR(priv->clk))
+ clk_prepare_enable(priv->clk);

ret = xhci_priv_resume_quirk(hcd);
if (ret)
diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h
index ae29f22..4d6f048 100644
--- a/drivers/usb/host/xhci-plat.h
+++ b/drivers/usb/host/xhci-plat.h
@@ -12,6 +12,8 @@

struct xhci_plat_priv {
const char *firmware_name;
+ /* optional clock */
+ struct clk *clk;
void (*plat_start)(struct usb_hcd *);
int (*init_quirk)(struct usb_hcd *);
int (*resume_quirk)(struct usb_hcd *);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 99a014a..55c3441 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1724,8 +1724,6 @@ struct xhci_hcd {
int page_shift;
/* msi-x vectors */
int msix_count;
- /* optional clock */
- struct clk *clk;
/* data structures */
struct xhci_device_context_array *dcbaa;
struct xhci_ring *cmd_ring;
--
1.9.1
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