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![Laura Abbott](/assets/img/avatar_default.png)
Several of the ioremap functions use unsigned long in places resulting in truncation if physical addresses greater than 4G are passed in. Change the types of the functions and the callers accordingly. Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/*
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* iop13xx custom ioremap implementation
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* Copyright (c) 2005-2006, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place - Suite 330, Boston, MA 02111-1307 USA.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <mach/hardware.h>
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#include "pci.h"
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static void __iomem *__iop13xx_ioremap_caller(phys_addr_t cookie,
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size_t size, unsigned int mtype, void *caller)
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{
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void __iomem * retval;
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switch (cookie) {
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case IOP13XX_PCIX_LOWER_MEM_RA ... IOP13XX_PCIX_UPPER_MEM_RA:
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if (unlikely(!iop13xx_atux_mem_base))
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retval = NULL;
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else
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retval = (iop13xx_atux_mem_base +
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(cookie - IOP13XX_PCIX_LOWER_MEM_RA));
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break;
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case IOP13XX_PCIE_LOWER_MEM_RA ... IOP13XX_PCIE_UPPER_MEM_RA:
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if (unlikely(!iop13xx_atue_mem_base))
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retval = NULL;
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else
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retval = (iop13xx_atue_mem_base +
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(cookie - IOP13XX_PCIE_LOWER_MEM_RA));
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break;
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case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA:
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retval = __arm_ioremap_caller(IOP13XX_PBI_LOWER_MEM_PA +
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(cookie - IOP13XX_PBI_LOWER_MEM_RA),
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size, mtype, __builtin_return_address(0));
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break;
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case IOP13XX_PMMR_PHYS_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_PA:
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retval = IOP13XX_PMMR_PHYS_TO_VIRT(cookie);
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break;
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default:
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retval = __arm_ioremap_caller(cookie, size, mtype,
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caller);
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}
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return retval;
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}
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static void __iop13xx_iounmap(volatile void __iomem *addr)
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{
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if (iop13xx_atue_mem_base)
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if (addr >= (void __iomem *) iop13xx_atue_mem_base &&
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addr < (void __iomem *) (iop13xx_atue_mem_base +
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iop13xx_atue_mem_size))
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goto skip;
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if (iop13xx_atux_mem_base)
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if (addr >= (void __iomem *) iop13xx_atux_mem_base &&
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addr < (void __iomem *) (iop13xx_atux_mem_base +
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iop13xx_atux_mem_size))
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goto skip;
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switch ((u32) addr) {
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case (u32)IOP13XX_PMMR_VIRT_MEM_BASE ... (u32)IOP13XX_PMMR_UPPER_MEM_VA:
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goto skip;
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}
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__iounmap(addr);
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skip:
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return;
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}
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void __init iop13xx_init_early(void)
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{
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arch_ioremap_caller = __iop13xx_ioremap_caller;
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arch_iounmap = __iop13xx_iounmap;
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}
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