[PATCH v2 5/5] usb: musb: omap2430: use the new generic PHY framework

From: Kishon Vijay Abraham I
Date: Tue Feb 19 2013 - 00:56:32 EST


Use the generic PHY framework API to get the PHY. The usb_phy_set_suspend
and usb_phy_set_resume is replaced with phy_suspend and phy_resume to
align with the new PHY framework.

musb->xceiv can't be removed as of now because musb core uses xceiv.state and
xceiv.otg. Once there is a separate state machine to handle otg, these can be
moved out of xceiv and then we can start using the generic PHY framework.

Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
drivers/usb/musb/musb_core.h | 2 ++
drivers/usb/musb/omap2430.c | 22 ++++++++++++++++------
2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 7fb4819..78251fd 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -46,6 +46,7 @@
#include <linux/usb.h>
#include <linux/usb/otg.h>
#include <linux/usb/musb.h>
+#include <linux/phy/phy.h>

struct musb;
struct musb_hw_ep;
@@ -357,6 +358,7 @@ struct musb {
u16 int_tx;

struct usb_phy *xceiv;
+ struct phy *phy;

int nIrq;
unsigned irq_wake:1;
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 1762354..99378af 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -345,14 +345,24 @@ static int omap2430_musb_init(struct musb *musb)
* up through ULPI. TWL4030-family PMICs include one,
* which needs a driver, drivers aren't always needed.
*/
- if (dev->parent->of_node)
+ if (dev->parent->of_node) {
+ musb->phy = devm_of_phy_get(dev->parent, "usb-phy", 0);
+
+ /* We can't totally remove musb->xceiv as of now because
+ * musb core uses xceiv.state and xceiv.otg. Once we have
+ * a separate state machine to handle otg, these can be moved
+ * out of xceiv and then we can start using the generic PHY
+ * framework
+ */
musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent,
"usb-phy", 0);
- else
+ } else {
musb->xceiv = devm_usb_get_phy_dev(dev, 0);
+ musb->phy = devm_phy_get(dev, 0);
+ }

- if (IS_ERR_OR_NULL(musb->xceiv)) {
- pr_err("HS USB OTG: no transceiver configured\n");
+ if (IS_ERR_OR_NULL(musb->xceiv) || IS_ERR_OR_NULL(musb->phy)) {
+ dev_err(dev, "no transceiver configured\n");
return -EPROBE_DEFER;
}

@@ -608,7 +618,7 @@ static int omap2430_runtime_suspend(struct device *dev)
OTG_INTERFSEL);

omap2430_low_level_exit(musb);
- usb_phy_set_suspend(musb->xceiv, 1);
+ phy_suspend(musb->phy);
}

return 0;
@@ -624,7 +634,7 @@ static int omap2430_runtime_resume(struct device *dev)
musb_writel(musb->mregs, OTG_INTERFSEL,
musb->context.otg_interfsel);

- usb_phy_set_suspend(musb->xceiv, 0);
+ phy_resume(musb->phy);
}

return 0;
--
1.7.10.4

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