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parisc architecture updates for kernel 5.15:

Browse Source 
- Fix a kernel crash when a signal is delivered to bad userspace stack
 - Fix fall-through warnings in math-emu code
 - Increase size of gcc stack frame check
 - Switch coding from 'pci_' to 'dma_' API
 - Make struct parisc_driver::remove() return void
 - Some parisc related Makefile changes
 - Minor cleanups, e.g. change to octal permissions, fix macro collisions,
   fix PMD_ORDER collision, replace spaces with tabs
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Merge tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture updates from Helge Deller:

 - Fix a kernel crash when a signal is delivered to bad userspace stack

 - Fix fall-through warnings in math-emu code

 - Increase size of gcc stack frame check

 - Switch coding from 'pci_' to 'dma_' API

 - Make struct parisc_driver::remove() return void

 - Some parisc related Makefile changes

 - Minor cleanups, e.g. change to octal permissions, fix macro
   collisions, fix PMD_ORDER collision, replace spaces with tabs

* tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: math-emu: Fix fall-through warnings
  parisc: fix crash with signals and alloca
  parisc: Fix compile failure when building 64-bit kernel natively
  parisc: ccio-dma.c: Added tab instead of spaces
  parisc/parport_gsc: switch from 'pci_' to 'dma_' API
  parisc: move core-y in arch/parisc/Makefile to arch/parisc/Kbuild
  parisc: switch from 'pci_' to 'dma_' API
  parisc: Make struct parisc_driver::remove() return void
  parisc: remove unused arch/parisc/boot/install.sh and its phony target
  parisc: Rename PMD_ORDER to PMD_TABLE_ORDER
  parisc: math-emu: Avoid "fmt" macro collision
  parisc: Increase size of gcc stack frame check
  parisc: Replace symbolic permissions with octal permissions
This commit is contained in:
Linus Torvalds 2021-09-02 13:16:00 -07:00
commit a2d616b935
28 changed files with 146 additions and 170 deletions
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5
Makefile
View File

@ -404,6 +404,11 @@ ifeq ($(ARCH),sparc64)
SRCARCH := sparc
endif
# Additional ARCH settings for parisc
ifeq ($(ARCH),parisc64)
SRCARCH := parisc
endif
export cross_compiling :=
ifneq ($(SRCARCH),$(SUBARCH))
cross_compiling := 1

1
arch/parisc/Kbuild
View File

@ -1 +1,2 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-y += mm/ kernel/ math-emu/

9
arch/parisc/Makefile
View File

@ -25,18 +25,18 @@ CHECKFLAGS += -D__hppa__=1
ifdef CONFIG_64BIT
UTS_MACHINE := parisc64
CHECKFLAGS += -D__LP64__=1
CC_ARCHES = hppa64
LD_BFD := elf64-hppa-linux
else # 32-bit
CC_ARCHES = hppa hppa2.0 hppa1.1
LD_BFD := elf32-hppa-linux
endif
# select defconfig based on actual architecture
ifeq ($(shell uname -m),parisc64)
ifeq ($(ARCH),parisc64)
KBUILD_DEFCONFIG := generic-64bit_defconfig
CC_ARCHES := hppa64
else
KBUILD_DEFCONFIG := generic-32bit_defconfig
CC_ARCHES := hppa hppa2.0 hppa1.1
endif
export LD_BFD
@ -111,9 +111,6 @@ KBUILD_CFLAGS += $(cflags-y)
LIBGCC := $(shell $(CC) -print-libgcc-file-name)
export LIBGCC
kernel-y := mm/ kernel/ math-emu/
core-y += $(addprefix arch/parisc/, $(kernel-y))
libs-y += arch/parisc/lib/ $(LIBGCC)
boot := arch/parisc/boot

4
arch/parisc/boot/Makefile
View File

@ -15,7 +15,3 @@ $(obj)/bzImage: $(obj)/compressed/vmlinux FORCE
$(obj)/compressed/vmlinux: FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
install: $(CONFIGURE) $(obj)/bzImage
sh -x $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
System.map "$(INSTALL_PATH)"

65
arch/parisc/boot/install.sh
View File

@ -1,65 +0,0 @@
#!/bin/sh
#
# arch/parisc/install.sh, derived from arch/i386/boot/install.sh
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1995 by Linus Torvalds
#
# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin
#
# "make install" script for i386 architecture
#
# Arguments:
# $1 - kernel version
# $2 - kernel image file
# $3 - kernel map file
# $4 - default install path (blank if root directory)
#
verify () {
if [ ! -f "$1" ]; then
echo "" 1>&2
echo " *** Missing file: $1" 1>&2
echo ' *** You need to run "make" before "make install".' 1>&2
echo "" 1>&2
exit 1
fi
}
# Make sure the files actually exist
verify "$2"
verify "$3"
# User may have a custom install script
if [ -n "${INSTALLKERNEL}" ]; then
if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
fi
# Default install
if [ "$(basename $2)" = "zImage" ]; then
# Compressed install
echo "Installing compressed kernel"
base=vmlinuz
else
# Normal install
echo "Installing normal kernel"
base=vmlinux
fi
if [ -f $4/$base-$1 ]; then
mv $4/$base-$1 $4/$base-$1.old
fi
cat $2 > $4/$base-$1
# Install system map file
if [ -f $4/System.map-$1 ]; then
mv $4/System.map-$1 $4/System.map-$1.old
fi
cp $3 $4/System.map-$1

4
arch/parisc/include/asm/parisc-device.h
View File

@ -34,8 +34,8 @@ struct parisc_driver {
struct parisc_driver *next;
char *name;
const struct parisc_device_id *id_table;
int (*probe) (struct parisc_device *dev); /* New device discovered */
int (*remove) (struct parisc_device *dev);
int (*probe)(struct parisc_device *dev); /* New device discovered */
void (*remove)(struct parisc_device *dev);
struct device_driver drv;
};

6
arch/parisc/include/asm/pgalloc.h
View File

@ -48,15 +48,15 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
pmd_t *pmd;
pmd = (pmd_t *)__get_free_pages(GFP_PGTABLE_KERNEL, PMD_ORDER);
pmd = (pmd_t *)__get_free_pages(GFP_PGTABLE_KERNEL, PMD_TABLE_ORDER);
if (likely(pmd))
memset ((void *)pmd, 0, PAGE_SIZE << PMD_ORDER);
memset ((void *)pmd, 0, PAGE_SIZE << PMD_TABLE_ORDER);
return pmd;
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
free_pages((unsigned long)pmd, PMD_ORDER);
free_pages((unsigned long)pmd, PMD_TABLE_ORDER);
}
#endif

4
arch/parisc/include/asm/pgtable.h
View File

@ -112,7 +112,7 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
#define KERNEL_INITIAL_SIZE (1 << KERNEL_INITIAL_ORDER)
#if CONFIG_PGTABLE_LEVELS == 3
#define PMD_ORDER 1
#define PMD_TABLE_ORDER 1
#define PGD_ORDER 0
#else
#define PGD_ORDER 1
@ -131,7 +131,7 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
#define PMD_SHIFT (PLD_SHIFT + BITS_PER_PTE)
#define PMD_SIZE (1UL << PMD_SHIFT)
#define PMD_MASK (~(PMD_SIZE-1))
#define BITS_PER_PMD (PAGE_SHIFT + PMD_ORDER - BITS_PER_PMD_ENTRY)
#define BITS_PER_PMD (PAGE_SHIFT + PMD_TABLE_ORDER - BITS_PER_PMD_ENTRY)
#define PTRS_PER_PMD (1UL << BITS_PER_PMD)
#else
#define BITS_PER_PMD 0

6
arch/parisc/kernel/signal.c
View File

@ -237,6 +237,12 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs,
#endif
usp = (regs->gr[30] & ~(0x01UL));
#ifdef CONFIG_64BIT
if (is_compat_task()) {
/* The gcc alloca implementation leaves garbage in the upper 32 bits of sp */
usp = (compat_uint_t)usp;
}
#endif
/*FIXME: frame_size parameter is unused, remove it. */
frame = get_sigframe(&ksig->ka, usp, sizeof(*frame));

4
arch/parisc/math-emu/decode_exc.c
View File

@ -46,7 +46,7 @@
#define SIGNALCODE(signal, code) ((signal) << 24 | (code))
#define copropbit 1<<31-2 /* bit position 2 */
#define opclass 9 /* bits 21 & 22 */
#define fmt 11 /* bits 19 & 20 */
#define fmtbits 11 /* bits 19 & 20 */
#define df 13 /* bits 17 & 18 */
#define twobits 3 /* mask low-order 2 bits */
#define fivebits 31 /* mask low-order 5 bits */
@ -57,7 +57,7 @@
#define Excp_instr(index) Instructionfield(Fpu_register[index])
#define Clear_excp_register(index) Allexception(Fpu_register[index]) = 0
#define Excp_format() \
(current_ir >> ((current_ir>>opclass & twobits)==1 ? df : fmt) & twobits)
(current_ir >> ((current_ir>>opclass & twobits) == 1 ? df : fmtbits) & twobits)
/* Miscellaneous definitions */
#define Fpu_sgl(index) Fpu_register[index*2]

56
arch/parisc/math-emu/fpudispatch.c
View File

@ -310,12 +310,15 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
r1 &= ~3;
fpregs[t+3] = fpregs[r1+3];
fpregs[t+2] = fpregs[r1+2];
fallthrough;
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
fpregs[t] = fpregs[r1];
return(NOEXCEPTION);
}
BUG();
case 3: /* FABS */
switch (fmt) {
case 2: /* illegal */
@ -325,13 +328,16 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
r1 &= ~3;
fpregs[t+3] = fpregs[r1+3];
fpregs[t+2] = fpregs[r1+2];
fallthrough;
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
/* copy and clear sign bit */
fpregs[t] = fpregs[r1] & 0x7fffffff;
return(NOEXCEPTION);
}
BUG();
case 6: /* FNEG */
switch (fmt) {
case 2: /* illegal */
@ -341,13 +347,16 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
r1 &= ~3;
fpregs[t+3] = fpregs[r1+3];
fpregs[t+2] = fpregs[r1+2];
fallthrough;
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
/* copy and invert sign bit */
fpregs[t] = fpregs[r1] ^ 0x80000000;
return(NOEXCEPTION);
}
BUG();
case 7: /* FNEGABS */
switch (fmt) {
case 2: /* illegal */
@ -357,13 +366,16 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
r1 &= ~3;
fpregs[t+3] = fpregs[r1+3];
fpregs[t+2] = fpregs[r1+2];
fallthrough;
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
/* copy and set sign bit */
fpregs[t] = fpregs[r1] | 0x80000000;
return(NOEXCEPTION);
}
BUG();
case 4: /* FSQRT */
switch (fmt) {
case 0:
@ -376,6 +388,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* quad not implemented */
return(MAJOR_0C_EXCP);
}
BUG();
case 5: /* FRND */
switch (fmt) {
case 0:
@ -389,7 +402,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
return(MAJOR_0C_EXCP);
}
} /* end of switch (subop) */
BUG();
case 1: /* class 1 */
df = extru(ir,fpdfpos,2); /* get dest format */
if ((df & 2) || (fmt & 2)) {
@ -419,6 +432,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* dbl/dbl */
return(MAJOR_0C_EXCP);
}
BUG();
case 1: /* FCNVXF */
switch(fmt) {
case 0: /* sgl/sgl */
@ -434,6 +448,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
return(dbl_to_dbl_fcnvxf(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 2: /* FCNVFX */
switch(fmt) {
case 0: /* sgl/sgl */
@ -449,6 +464,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
return(dbl_to_dbl_fcnvfx(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 3: /* FCNVFXT */
switch(fmt) {
case 0: /* sgl/sgl */
@ -464,6 +480,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
return(dbl_to_dbl_fcnvfxt(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 5: /* FCNVUF (PA2.0 only) */
switch(fmt) {
case 0: /* sgl/sgl */
@ -479,6 +496,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
return(dbl_to_dbl_fcnvuf(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 6: /* FCNVFU (PA2.0 only) */
switch(fmt) {
case 0: /* sgl/sgl */
@ -494,6 +512,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
return(dbl_to_dbl_fcnvfu(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 7: /* FCNVFUT (PA2.0 only) */
switch(fmt) {
case 0: /* sgl/sgl */
@ -509,10 +528,11 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
return(dbl_to_dbl_fcnvfut(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 4: /* undefined */
return(MAJOR_0C_EXCP);
} /* end of switch subop */
BUG();
case 2: /* class 2 */
fpu_type_flags=fpregs[FPU_TYPE_FLAG_POS];
r2 = extru(ir, fpr2pos, 5) * sizeof(double)/sizeof(u_int);
@ -590,6 +610,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* quad not implemented */
return(MAJOR_0C_EXCP);
}
BUG();
case 1: /* FTEST */
switch (fmt) {
case 0:
@ -609,8 +630,10 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3:
return(MAJOR_0C_EXCP);
}
BUG();
} /* end of switch subop */
} /* end of else for PA1.0 & PA1.1 */
BUG();
case 3: /* class 3 */
r2 = extru(ir,fpr2pos,5) * sizeof(double)/sizeof(u_int);
if (r2 == 0)
@ -633,6 +656,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* quad not implemented */
return(MAJOR_0C_EXCP);
}
BUG();
case 1: /* FSUB */
switch (fmt) {
case 0:
@ -645,6 +669,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* quad not implemented */
return(MAJOR_0C_EXCP);
}
BUG();
case 2: /* FMPY */
switch (fmt) {
case 0:
@ -657,6 +682,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* quad not implemented */
return(MAJOR_0C_EXCP);
}
BUG();
case 3: /* FDIV */
switch (fmt) {
case 0:
@ -669,6 +695,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* quad not implemented */
return(MAJOR_0C_EXCP);
}
BUG();
case 4: /* FREM */
switch (fmt) {
case 0:
@ -681,6 +708,7 @@ decode_0c(u_int ir, u_int class, u_int subop, u_int fpregs[])
case 3: /* quad not implemented */
return(MAJOR_0C_EXCP);
}
BUG();
} /* end of class 3 switch */
} /* end of switch(class) */
@ -736,10 +764,12 @@ u_int fpregs[];
return(MAJOR_0E_EXCP);
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
fpregs[t] = fpregs[r1];
return(NOEXCEPTION);
}
BUG();
case 3: /* FABS */
switch (fmt) {
case 2:
@ -747,10 +777,12 @@ u_int fpregs[];
return(MAJOR_0E_EXCP);
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
fpregs[t] = fpregs[r1] & 0x7fffffff;
return(NOEXCEPTION);
}
BUG();
case 6: /* FNEG */
switch (fmt) {
case 2:
@ -758,10 +790,12 @@ u_int fpregs[];
return(MAJOR_0E_EXCP);
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
fpregs[t] = fpregs[r1] ^ 0x80000000;
return(NOEXCEPTION);
}
BUG();
case 7: /* FNEGABS */
switch (fmt) {
case 2:
@ -769,10 +803,12 @@ u_int fpregs[];
return(MAJOR_0E_EXCP);
case 1: /* double */
fpregs[t+1] = fpregs[r1+1];
fallthrough;
case 0: /* single */
fpregs[t] = fpregs[r1] | 0x80000000;
return(NOEXCEPTION);
}
BUG();
case 4: /* FSQRT */
switch (fmt) {
case 0:
@ -785,6 +821,7 @@ u_int fpregs[];
case 3:
return(MAJOR_0E_EXCP);
}
BUG();
case 5: /* FRMD */
switch (fmt) {
case 0:
@ -798,7 +835,7 @@ u_int fpregs[];
return(MAJOR_0E_EXCP);
}
} /* end of switch (subop */
BUG();
case 1: /* class 1 */
df = extru(ir,fpdfpos,2); /* get dest format */
/*
@ -826,6 +863,7 @@ u_int fpregs[];
case 3: /* dbl/dbl */
return(MAJOR_0E_EXCP);
}
BUG();
case 1: /* FCNVXF */
switch(fmt) {
case 0: /* sgl/sgl */
@ -841,6 +879,7 @@ u_int fpregs[];
return(dbl_to_dbl_fcnvxf(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 2: /* FCNVFX */
switch(fmt) {
case 0: /* sgl/sgl */
@ -856,6 +895,7 @@ u_int fpregs[];
return(dbl_to_dbl_fcnvfx(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 3: /* FCNVFXT */
switch(fmt) {
case 0: /* sgl/sgl */
@ -871,6 +911,7 @@ u_int fpregs[];
return(dbl_to_dbl_fcnvfxt(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 5: /* FCNVUF (PA2.0 only) */
switch(fmt) {
case 0: /* sgl/sgl */
@ -886,6 +927,7 @@ u_int fpregs[];
return(dbl_to_dbl_fcnvuf(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 6: /* FCNVFU (PA2.0 only) */
switch(fmt) {
case 0: /* sgl/sgl */
@ -901,6 +943,7 @@ u_int fpregs[];
return(dbl_to_dbl_fcnvfu(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 7: /* FCNVFUT (PA2.0 only) */
switch(fmt) {
case 0: /* sgl/sgl */
@ -916,9 +959,11 @@ u_int fpregs[];
return(dbl_to_dbl_fcnvfut(&fpregs[r1],0,
&fpregs[t],status));
}
BUG();
case 4: /* undefined */
return(MAJOR_0C_EXCP);
} /* end of switch subop */
BUG();
case 2: /* class 2 */
/*
* Be careful out there.
@ -994,6 +1039,7 @@ u_int fpregs[];
}
} /* end of switch subop */
} /* end of else for PA1.0 & PA1.1 */
BUG();
case 3: /* class 3 */
/*
* Be careful out there.
@ -1026,6 +1072,7 @@ u_int fpregs[];
return(dbl_fadd(&fpregs[r1],&fpregs[r2],
&fpregs[t],status));
}
BUG();
case 1: /* FSUB */
switch (fmt) {
case 0:
@ -1035,6 +1082,7 @@ u_int fpregs[];
return(dbl_fsub(&fpregs[r1],&fpregs[r2],
&fpregs[t],status));
}
BUG();
case 2: /* FMPY or XMPYU */
/*
* check for integer multiply (x bit set)
@ -1071,6 +1119,7 @@ u_int fpregs[];
&fpregs[r2],&fpregs[t],status));
}
}
BUG();
case 3: /* FDIV */
switch (fmt) {
case 0:
@ -1080,6 +1129,7 @@ u_int fpregs[];
return(dbl_fdiv(&fpregs[r1],&fpregs[r2],
&fpregs[t],status));
}
BUG();
case 4: /* FREM */
switch (fmt) {
case 0:

4
arch/parisc/mm/init.c
View File

@ -378,8 +378,8 @@ static void __init map_pages(unsigned long start_vaddr,
#if CONFIG_PGTABLE_LEVELS == 3
if (pud_none(*pud)) {
pmd = memblock_alloc(PAGE_SIZE << PMD_ORDER,
PAGE_SIZE << PMD_ORDER);
pmd = memblock_alloc(PAGE_SIZE << PMD_TABLE_ORDER,
PAGE_SIZE << PMD_TABLE_ORDER);
if (!pmd)
panic("pmd allocation failed.\n");
pud_populate(NULL, pud, pmd);

2
drivers/char/ipmi/ipmi_si.h
View File

@ -73,7 +73,7 @@ irqreturn_t ipmi_si_irq_handler(int irq, void *data);
void ipmi_irq_start_cleanup(struct si_sm_io *io);
int ipmi_std_irq_setup(struct si_sm_io *io);
void ipmi_irq_finish_setup(struct si_sm_io *io);
int ipmi_si_remove_by_dev(struct device *dev);
void ipmi_si_remove_by_dev(struct device *dev);
struct device *ipmi_si_remove_by_data(int addr_space, enum si_type si_type,
unsigned long addr);
void ipmi_hardcode_init(void);

6
drivers/char/ipmi/ipmi_si_intf.c
View File

@ -2228,22 +2228,18 @@ static void cleanup_one_si(struct smi_info *smi_info)
kfree(smi_info);
}
int ipmi_si_remove_by_dev(struct device *dev)
void ipmi_si_remove_by_dev(struct device *dev)
{
struct smi_info *e;
int rv = -ENOENT;
mutex_lock(&smi_infos_lock);
list_for_each_entry(e, &smi_infos, link) {
if (e->io.dev == dev) {
cleanup_one_si(e);
rv = 0;
break;
}
}
mutex_unlock(&smi_infos_lock);
return rv;
}
struct device *ipmi_si_remove_by_data(int addr_space, enum si_type si_type,

4
drivers/char/ipmi/ipmi_si_parisc.c
View File

@ -29,9 +29,9 @@ static int __init ipmi_parisc_probe(struct parisc_device *dev)
return ipmi_si_add_smi(&io);
}
static int __exit ipmi_parisc_remove(struct parisc_device *dev)
static void __exit ipmi_parisc_remove(struct parisc_device *dev)
{
return ipmi_si_remove_by_dev(&dev->dev);
ipmi_si_remove_by_dev(&dev->dev);
}
static const struct parisc_device_id ipmi_parisc_tbl[] __initconst = {

4
drivers/char/ipmi/ipmi_si_platform.c
View File

@ -411,7 +411,9 @@ static int ipmi_probe(struct platform_device *pdev)
static int ipmi_remove(struct platform_device *pdev)
{
return ipmi_si_remove_by_dev(&pdev->dev);
ipmi_si_remove_by_dev(&pdev->dev);
return 0;
}
static int pdev_match_name(struct device *dev, const void *data)

4
drivers/input/keyboard/hilkbd.c
View File

@ -316,11 +316,9 @@ static int __init hil_probe_chip(struct parisc_device *dev)
return hil_keyb_init();
}
static int __exit hil_remove_chip(struct parisc_device *dev)
static void __exit hil_remove_chip(struct parisc_device *dev)
{
hil_keyb_exit();
return 0;
}
static const struct parisc_device_id hil_tbl[] __initconst = {

3
drivers/input/serio/gscps2.c
View File

@ -411,7 +411,7 @@ static int __init gscps2_probe(struct parisc_device *dev)
* @return: success/error report
*/
static int __exit gscps2_remove(struct parisc_device *dev)
static void __exit gscps2_remove(struct parisc_device *dev)
{
struct gscps2port *ps2port = dev_get_drvdata(&dev->dev);
@ -425,7 +425,6 @@ static int __exit gscps2_remove(struct parisc_device *dev)
#endif
dev_set_drvdata(&dev->dev, NULL);
kfree(ps2port);
return 0;
}

3
drivers/net/ethernet/i825xx/lasi_82596.c
View File

@ -196,7 +196,7 @@ lan_init_chip(struct parisc_device *dev)
return retval;
}
static int __exit lan_remove_chip(struct parisc_device *pdev)
static void __exit lan_remove_chip(struct parisc_device *pdev)
{
struct net_device *dev = parisc_get_drvdata(pdev);
struct i596_private *lp = netdev_priv(dev);
@ -205,7 +205,6 @@ static int __exit lan_remove_chip(struct parisc_device *pdev)
dma_free_noncoherent(&pdev->dev, sizeof(struct i596_private), lp->dma,
lp->dma_addr, DMA_BIDIRECTIONAL);
free_netdev (dev);
return 0;
}
static const struct parisc_device_id lan_tbl[] __initconst = {

92
drivers/parisc/ccio-dma.c
View File

@ -111,29 +111,29 @@
#define CMD_TLB_PURGE 33 /* IO_COMMAND to Purge I/O TLB entry */
struct ioa_registers {
/* Runway Supervisory Set */
int32_t unused1[12];
uint32_t io_command; /* Offset 12 */
uint32_t io_status; /* Offset 13 */
uint32_t io_control; /* Offset 14 */
int32_t unused2[1];
/* Runway Supervisory Set */
int32_t unused1[12];
uint32_t io_command; /* Offset 12 */
uint32_t io_status; /* Offset 13 */
uint32_t io_control; /* Offset 14 */
int32_t unused2[1];
/* Runway Auxiliary Register Set */
uint32_t io_err_resp; /* Offset 0 */
uint32_t io_err_info; /* Offset 1 */
uint32_t io_err_req; /* Offset 2 */
uint32_t io_err_resp_hi; /* Offset 3 */
uint32_t io_tlb_entry_m; /* Offset 4 */
uint32_t io_tlb_entry_l; /* Offset 5 */
uint32_t unused3[1];
uint32_t io_pdir_base; /* Offset 7 */
uint32_t io_io_low_hv; /* Offset 8 */
uint32_t io_io_high_hv; /* Offset 9 */
uint32_t unused4[1];
uint32_t io_chain_id_mask; /* Offset 11 */
uint32_t unused5[2];
uint32_t io_io_low; /* Offset 14 */
uint32_t io_io_high; /* Offset 15 */
/* Runway Auxiliary Register Set */
uint32_t io_err_resp; /* Offset 0 */
uint32_t io_err_info; /* Offset 1 */
uint32_t io_err_req; /* Offset 2 */
uint32_t io_err_resp_hi; /* Offset 3 */
uint32_t io_tlb_entry_m; /* Offset 4 */
uint32_t io_tlb_entry_l; /* Offset 5 */
uint32_t unused3[1];
uint32_t io_pdir_base; /* Offset 7 */
uint32_t io_io_low_hv; /* Offset 8 */
uint32_t io_io_high_hv; /* Offset 9 */
uint32_t unused4[1];
uint32_t io_chain_id_mask; /* Offset 11 */
uint32_t unused5[2];
uint32_t io_io_low; /* Offset 14 */
uint32_t io_io_high; /* Offset 15 */
};
/*
@ -198,7 +198,7 @@ struct ioa_registers {
** In order for a Runway address to reside within GSC+ extended address space:
** Runway Address [0:7] must identically compare to 8'b11111111
** Runway Address [8:11] must be equal to IO_IO_LOW(_HV)[16:19]
** Runway Address [12:23] must be greater than or equal to
** Runway Address [12:23] must be greater than or equal to
** IO_IO_LOW(_HV)[20:31] and less than IO_IO_HIGH(_HV)[20:31].
** Runway Address [24:39] is not used in the comparison.
**
@ -226,10 +226,10 @@ struct ioc {
struct ioa_registers __iomem *ioc_regs; /* I/O MMU base address */
u8 *res_map; /* resource map, bit == pdir entry */
u64 *pdir_base; /* physical base address */
u32 pdir_size; /* bytes, function of IOV Space size */
u32 res_hint; /* next available IOVP -
u32 pdir_size; /* bytes, function of IOV Space size */
u32 res_hint; /* next available IOVP -
circular search */
u32 res_size; /* size of resource map in bytes */
u32 res_size; /* size of resource map in bytes */
spinlock_t res_lock;
#ifdef CCIO_COLLECT_STATS
@ -249,7 +249,7 @@ struct ioc {
unsigned short cujo20_bug;
/* STUFF We don't need in performance path */
u32 chainid_shift; /* specify bit location of chain_id */
u32 chainid_shift; /* specify bit location of chain_id */
struct ioc *next; /* Linked list of discovered iocs */
const char *name; /* device name from firmware */
unsigned int hw_path; /* the hardware path this ioc is associatd with */
@ -293,7 +293,7 @@ static int ioc_count;
** cause the kernel to panic anyhow.
*/
#define CCIO_SEARCH_LOOP(ioc, res_idx, mask, size) \
for(; res_ptr < res_end; ++res_ptr) { \
for (; res_ptr < res_end; ++res_ptr) { \
int ret;\
unsigned int idx;\
idx = (unsigned int)((unsigned long)res_ptr - (unsigned long)ioc->res_map); \
@ -309,9 +309,9 @@ static int ioc_count;
#define CCIO_FIND_FREE_MAPPING(ioa, res_idx, mask, size) \
u##size *res_ptr = (u##size *)&((ioc)->res_map[ioa->res_hint & ~((size >> 3) - 1)]); \
u##size *res_end = (u##size *)&(ioc)->res_map[ioa->res_size]; \
CCIO_SEARCH_LOOP(ioc, res_idx, mask, size); \
res_ptr = (u##size *)&(ioc)->res_map[0]; \
CCIO_SEARCH_LOOP(ioa, res_idx, mask, size);
CCIO_SEARCH_LOOP(ioc, res_idx, mask, size); \
res_ptr = (u##size *)&(ioc)->res_map[0]; \
CCIO_SEARCH_LOOP(ioa, res_idx, mask, size);
/*
** Find available bit in this ioa's resource map.
@ -348,9 +348,9 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
BUG_ON(pages_needed == 0);
BUG_ON((pages_needed * IOVP_SIZE) > DMA_CHUNK_SIZE);
DBG_RES("%s() size: %d pages_needed %d\n",
__func__, size, pages_needed);
DBG_RES("%s() size: %d pages_needed %d\n",
__func__, size, pages_needed);
/*
** "seek and ye shall find"...praying never hurts either...
@ -416,7 +416,7 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
#define CCIO_FREE_MAPPINGS(ioc, res_idx, mask, size) \
u##size *res_ptr = (u##size *)&((ioc)->res_map[res_idx]); \
BUG_ON((*res_ptr & mask) != mask); \
*res_ptr &= ~(mask);
*res_ptr &= ~(mask);
/**
* ccio_free_range - Free pages from the ioc's resource map.
@ -518,9 +518,9 @@ typedef unsigned long space_t;
** when it passes in BIDIRECTIONAL flag.
*/
static u32 hint_lookup[] = {
[PCI_DMA_BIDIRECTIONAL] = HINT_STOP_MOST | HINT_SAFE_DMA | IOPDIR_VALID,
[PCI_DMA_TODEVICE] = HINT_STOP_MOST | HINT_PREFETCH | IOPDIR_VALID,
[PCI_DMA_FROMDEVICE] = HINT_STOP_MOST | IOPDIR_VALID,
[DMA_BIDIRECTIONAL] = HINT_STOP_MOST | HINT_SAFE_DMA | IOPDIR_VALID,
[DMA_TO_DEVICE] = HINT_STOP_MOST | HINT_PREFETCH | IOPDIR_VALID,
[DMA_FROM_DEVICE] = HINT_STOP_MOST | IOPDIR_VALID,
};
/**
@ -845,7 +845,7 @@ static void *
ccio_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag,
unsigned long attrs)
{
void *ret;
void *ret;
#if 0
/* GRANT Need to establish hierarchy for non-PCI devs as well
** and then provide matching gsc_map_xxx() functions for them as well.
@ -856,11 +856,11 @@ ccio_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag,
return 0;
}
#endif
ret = (void *) __get_free_pages(flag, get_order(size));
ret = (void *) __get_free_pages(flag, get_order(size));
if (ret) {
memset(ret, 0, size);
*dma_handle = ccio_map_single(dev, ret, size, PCI_DMA_BIDIRECTIONAL);
*dma_handle = ccio_map_single(dev, ret, size, DMA_BIDIRECTIONAL);
}
return ret;
@ -1022,8 +1022,8 @@ static const struct dma_map_ops ccio_ops = {
.free = ccio_free,
.map_page = ccio_map_page,
.unmap_page = ccio_unmap_page,
.map_sg = ccio_map_sg,
.unmap_sg = ccio_unmap_sg,
.map_sg = ccio_map_sg,
.unmap_sg = ccio_unmap_sg,
.get_sgtable = dma_common_get_sgtable,
.alloc_pages = dma_common_alloc_pages,
.free_pages = dma_common_free_pages,
@ -1080,7 +1080,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
max = ioc->usingle_pages - ioc->usg_pages;
seq_printf(m, "pci_unmap_single: %8ld calls %8ld pages (avg %d/1000)\n",
min, max, (int)((max * 1000)/min));
seq_printf(m, "pci_map_sg() : %8ld calls %8ld pages (avg %d/1000)\n",
ioc->msg_calls, ioc->msg_pages,
(int)((ioc->msg_pages * 1000)/ioc->msg_calls));
@ -1169,7 +1169,7 @@ void __init ccio_cujo20_fixup(struct parisc_device *cujo, u32 iovp)
idx = PDIR_INDEX(iovp) >> 3;
while (idx < ioc->res_size) {
res_ptr[idx] |= 0xff;
res_ptr[idx] |= 0xff;
idx += PDIR_INDEX(CUJO_20_STEP) >> 3;
}
}
@ -1297,7 +1297,7 @@ ccio_ioc_init(struct ioc *ioc)
DBG_INIT(" base %p\n", ioc->pdir_base);
/* resource map size dictated by pdir_size */
ioc->res_size = (ioc->pdir_size / sizeof(u64)) >> 3;
ioc->res_size = (ioc->pdir_size / sizeof(u64)) >> 3;
DBG_INIT("%s() res_size 0x%x\n", __func__, ioc->res_size);
ioc->res_map = (u8 *)__get_free_pages(GFP_KERNEL,

4
drivers/parisc/led.c
View File

@ -250,14 +250,14 @@ static int __init led_create_procfs(void)
if (!lcd_no_led_support)
{
ent = proc_create_data("led", S_IRUGO|S_IWUSR, proc_pdc_root,
ent = proc_create_data("led", 0644, proc_pdc_root,
&led_proc_ops, (void *)LED_NOLCD); /* LED */
if (!ent) return -1;
}
if (led_type == LED_HASLCD)
{
ent = proc_create_data("lcd", S_IRUGO|S_IWUSR, proc_pdc_root,
ent = proc_create_data("lcd", 0644, proc_pdc_root,
&led_proc_ops, (void *)LED_HASLCD); /* LCD */
if (!ent) return -1;
}

8
drivers/parport/parport_gsc.c
View File

@ -378,7 +378,7 @@ static int __init parport_init_chip(struct parisc_device *dev)
return 0;
}
static int __exit parport_remove_chip(struct parisc_device *dev)
static void __exit parport_remove_chip(struct parisc_device *dev)
{
struct parport *p = dev_get_drvdata(&dev->dev);
if (p) {
@ -390,14 +390,12 @@ static int __exit parport_remove_chip(struct parisc_device *dev)
if (p->irq != PARPORT_IRQ_NONE)
free_irq(p->irq, p);
if (priv->dma_buf)
pci_free_consistent(priv->dev, PAGE_SIZE,
priv->dma_buf,
priv->dma_handle);
dma_free_coherent(&priv->dev->dev, PAGE_SIZE,
priv->dma_buf, priv->dma_handle);
kfree (p->private_data);
parport_put_port(p);
kfree (ops); /* hope no-one cached it */
}
return 0;
}
static const struct parisc_device_id parport_tbl[] __initconst = {

4
drivers/scsi/lasi700.c
View File

@ -134,7 +134,7 @@ lasi700_probe(struct parisc_device *dev)
return -ENODEV;
}
static int __exit
static void __exit
lasi700_driver_remove(struct parisc_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
@ -146,8 +146,6 @@ lasi700_driver_remove(struct parisc_device *dev)
free_irq(host->irq, host);
iounmap(hostdata->base);
kfree(hostdata);
return 0;
}
static struct parisc_driver lasi700_driver __refdata = {

4
drivers/scsi/zalon.c
View File

@ -168,15 +168,13 @@ static const struct parisc_device_id zalon_tbl[] __initconst = {
MODULE_DEVICE_TABLE(parisc, zalon_tbl);
static int __exit zalon_remove(struct parisc_device *dev)
static void __exit zalon_remove(struct parisc_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
scsi_remove_host(host);
ncr53c8xx_release(host);
free_irq(dev->irq, host);
return 0;
}
static struct parisc_driver zalon_driver __refdata = {

3
drivers/tty/serial/mux.c
View File

@ -496,7 +496,7 @@ static int __init mux_probe(struct parisc_device *dev)
return 0;
}
static int __exit mux_remove(struct parisc_device *dev)
static void __exit mux_remove(struct parisc_device *dev)
{
int i, j;
int port_count = (long)dev_get_drvdata(&dev->dev);
@ -518,7 +518,6 @@ static int __exit mux_remove(struct parisc_device *dev)
}
release_mem_region(dev->hpa.start + MUX_OFFSET, port_count * MUX_LINE_OFFSET);
return 0;
}
/* Hack. This idea was taken from the 8250_gsc.c on how to properly order

2
lib/Kconfig.debug
View File

@ -346,7 +346,7 @@ config FRAME_WARN
int "Warn for stack frames larger than"
range 0 8192
default 2048 if GCC_PLUGIN_LATENT_ENTROPY
default 1280 if (!64BIT && PARISC)
default 1536 if (!64BIT && PARISC)
default 1024 if (!64BIT && !PARISC)
default 2048 if 64BIT
help

2
scripts/subarch.include
View File

@ -7,7 +7,7 @@
SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
-e s/sun4u/sparc64/ \
-e s/arm.*/arm/ -e s/sa110/arm/ \
-e s/s390x/s390/ -e s/parisc64/parisc/ \
-e s/s390x/s390/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
-e s/riscv.*/riscv/)

3
sound/parisc/harmony.c
View File

@ -954,11 +954,10 @@ snd_harmony_probe(struct parisc_device *padev)
return err;
}
static int __exit
static void __exit
snd_harmony_remove(struct parisc_device *padev)
{
snd_card_free(parisc_get_drvdata(padev));
return 0;
}
static struct parisc_driver snd_harmony_driver __refdata = {