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usb: allow to supply the PHY in the drivers when using HCD

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This patch modify the generic code handling PHYs to allow them to be
supplied from the drivers. This adds checks to ensure no PHY was already
there when looking for one in the generic code. This also makes sure we
do not modify its state in the generic HCD functions, it was provided by
the driver.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Antoine Tenart
2014-10-30 18:41:16 +01:00
committed by Felipe Balbi
parent 48bcc18076
commit ef44cb4226
10 changed files with 33 additions and 40 deletions
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2
include/linux/usb/chipidea.h
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@@ -13,7 +13,7 @@ struct ci_hdrc_platform_data {
/* offset of the capability registers */
uintptr_t capoffset;
unsigned power_budget;
struct usb_phy *phy;
struct usb_phy *usb_phy;
enum usb_phy_interface phy_mode;
unsigned long flags;
#define CI_HDRC_REGS_SHARED BIT(0)