usb: ohci-da8xx: remove unused platform data

We no longer support any board files for DaVinci in mainline and so
struct da8xx_ohci_root_hub is no longer used. Remove it together with
all the code it's used for.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://patch.msgid.link/20251114-davinci-usb-v1-1-737380353a74@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
index 3c5ca2d7c92ed786af41d98ed124926ae06d4025..0938c0e7a8b6d54cf1981298119d51a3bfe49148 100644 (file)
--- a/drivers/usb/host/ohci-da8xx.c
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -18,7 +18,6 @@
 #include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/phy/phy.h>
-#include <linux/platform_data/usb-davinci.h>
 #include <linux/regulator/consumer.h>
 #include <linux/usb.h>
 #include <linux/usb/hcd.h>
@@ -166,17 +165,6 @@ static int ohci_da8xx_has_oci(struct usb_hcd *hcd)
        return 0;
 }
 
-static int ohci_da8xx_has_potpgt(struct usb_hcd *hcd)
-{
-       struct device *dev              = hcd->self.controller;
-       struct da8xx_ohci_root_hub *hub = dev_get_platdata(dev);
-
-       if (hub && hub->potpgt)
-               return 1;
-
-       return 0;
-}
-
 static int ohci_da8xx_regulator_event(struct notifier_block *nb,
                                unsigned long event, void *data)
 {
@@ -228,7 +216,6 @@ static int ohci_da8xx_register_notify(struct usb_hcd *hcd)
 static int ohci_da8xx_reset(struct usb_hcd *hcd)
 {
        struct device *dev              = hcd->self.controller;
-       struct da8xx_ohci_root_hub *hub = dev_get_platdata(dev);
        struct ohci_hcd *ohci           = hcd_to_ohci(hcd);
        int result;
        u32 rh_a;
@@ -266,10 +253,6 @@ static int ohci_da8xx_reset(struct usb_hcd *hcd)
                rh_a &= ~RH_A_NOCP;
                rh_a |=  RH_A_OCPM;
        }
-       if (ohci_da8xx_has_potpgt(hcd)) {
-               rh_a &= ~RH_A_POTPGT;
-               rh_a |= hub->potpgt << 24;
-       }
        ohci_writel(ohci, rh_a, &ohci->regs->roothub.a);
 
        return result;

diff --git a/include/linux/platform_data/usb-davinci.h b/include/linux/platform_data/usb-davinci.h
deleted file mode 100644 (file)
index 879f5c7..0000000
--- a/include/linux/platform_data/usb-davinci.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * USB related definitions
- *
- * Copyright (C) 2009 MontaVista Software, Inc. <source@mvista.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_USB_H
-#define __ASM_ARCH_USB_H
-
-/* Passed as the platform data to the OHCI driver */
-struct da8xx_ohci_root_hub {
-       /* Time from power on to power good (in 2 ms units) */
-       u8      potpgt;
-};
-
-void davinci_setup_usb(unsigned mA, unsigned potpgt_ms);
-
-#endif /* ifndef __ASM_ARCH_USB_H */