The patch titled
mem driver: fix conditional on isa i/o support
has been added to the -mm tree. Its filename is
mem-driver-fix-conditional-on-isa-i-o-support.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: mem driver: fix conditional on isa i/o support
From: Geoff Levand <geoffrey.levand@xxxxxxxxxxx>
This change corrects the logic on the preprocessor conditionals that
include support for ISA port i/o (/dev/ioports) into the mem character
driver.
This fixes the following error when building for powerpc platforms with
CONFIG_PCI=n.
drivers/built-in.o: undefined reference to `pci_io_base'
Signed-off-by: Geoff Levand <geoffrey.levand@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/char/mem.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff -puN drivers/char/mem.c~mem-driver-fix-conditional-on-isa-i-o-support drivers/char/mem.c
--- a/drivers/char/mem.c~mem-driver-fix-conditional-on-isa-i-o-support
+++ a/drivers/char/mem.c
@@ -522,7 +522,7 @@ static ssize_t write_kmem(struct file *
return virtr + wrote;
}
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__)
static ssize_t read_port(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
@@ -799,7 +799,7 @@ static const struct file_operations null
.splice_write = splice_write_null,
};
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__)
static const struct file_operations port_fops = {
.llseek = memory_lseek,
.read = read_port,
@@ -869,7 +869,7 @@ static int memory_open(struct inode * in
case 3:
filp->f_op = &null_fops;
break;
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__)
case 4:
filp->f_op = &port_fops;
break;
@@ -916,7 +916,7 @@ static const struct {
{1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
{2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},
{3, "null", S_IRUGO | S_IWUGO, &null_fops},
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__)
{4, "port", S_IRUSR | S_IWUSR | S_IRGRP, &port_fops},
#endif
{5, "zero", S_IRUGO | S_IWUGO, &zero_fops},
_
Patches currently in -mm which might be from geoffrey.levand@xxxxxxxxxxx are
git-powerpc.patch
mem-driver-fix-conditional-on-isa-i-o-support.patch
-
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