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63162724e2
The regs_phy field of the platform data structure for dwc2-otg is
today declared an unsigned int, but will eventually be cast into a
void* for a writel operation. This triggers errors on modern GCC
versions.
E.g. we get the following error with GCC 6.3:
drivers/usb/phy/rockchip_usb2_phy.c: In function 'property_enable':
arch/arm/include/asm/io.h:49:29: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
^
arch/arm/include/asm/io.h:117:48: note: in expansion of macro '__arch_putl'
#define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
^~~~~~~~~~~
drivers/usb/phy/rockchip_usb2_phy.c:61:2: note: in expansion of macro 'writel'
writel(val, pdata->regs_phy + reg->offset);
^~~~~~
This commit changes regs_phy to be a uintptr_t to ensure that it is
large enough to hold any valid pointer (and fix the associated
warning).
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
30 lines
678 B
C
30 lines
678 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* drivers/usb/gadget/dwc2_udc.h
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* Designware DWC2 on-chip full/high speed USB device controllers
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* Copyright (C) 2005 for Samsung Electronics
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*/
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#ifndef __DWC2_USB_GADGET
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#define __DWC2_USB_GADGET
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#define PHY0_SLEEP (1 << 5)
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struct dwc2_plat_otg_data {
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void *priv;
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int phy_of_node;
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int (*phy_control)(int on);
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uintptr_t regs_phy;
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uintptr_t regs_otg;
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unsigned int usb_phy_ctrl;
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unsigned int usb_flags;
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unsigned int usb_gusbcfg;
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unsigned int rx_fifo_sz;
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unsigned int np_tx_fifo_sz;
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unsigned int tx_fifo_sz;
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};
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int dwc2_udc_probe(struct dwc2_plat_otg_data *pdata);
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#endif /* __DWC2_USB_GADGET */
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