From: Kalliguddi, Hema <hemahk@xxxxxx>
To get the ID status there was an I2C read transfer. Removed this I2C
read transfer as this info can be used from existing variable(linkstat).
Signed-off-by: Hema HK <hemahk@xxxxxx>
Cc: Felipe Balbi <balbi@xxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
---
drivers/usb/otg/twl6030-usb.c | 7 ++-----
drivers/usb/otg/twl6030-usb.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
Index: linux-2.6/drivers/usb/otg/twl6030-usb.c
===================================================================
--- linux-2.6.orig/drivers/usb/otg/twl6030-usb.c
+++ linux-2.6/drivers/usb/otg/twl6030-usb.c
@@ -149,7 +149,6 @@ static int twl6030_set_phy_clk(struct ot
static int twl6030_phy_init(struct otg_transceiver *x)
{
- u8 hw_state;
struct twl6030_usb *twl;
struct device *dev;
struct twl4030_usb_data *pdata;
@@ -158,9 +157,7 @@ static int twl6030_phy_init(struct otg_t
dev = twl->dev;
pdata = dev->platform_data;
- hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);
-
- if (hw_state & STS_USB_ID)
+ if (twl->linkstat == USB_EVENT_ID)
pdata->phy_power(twl->dev, 1, 1);
else
pdata->phy_power(twl->dev, 0, 1);
@@ -290,6 +287,7 @@ static irqreturn_t twl6030_usbotg_irq(in
status = USB_EVENT_ID;
twl->otg.default_a = true;
twl->otg.state = OTG_STATE_A_IDLE;
+ twl->linkstat = status;
blocking_notifier_call_chain(&twl->otg.notifier, status,
twl->otg.gadget);
} else {
@@ -299,7 +297,6 @@ static irqreturn_t twl6030_usbotg_irq(in
0x1);
}
twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_LATCH_CLR, status);
- twl->linkstat = status;
return IRQ_HANDLED;
}
--
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