diff options
| author | Russell King <rmk+lkml@arm.linux.org.uk> | 2007-05-08 09:28:17 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 20:15:07 +0200 |
| commit | 4f911d64e04a44c47985be30f978fb3c2efcee0c (patch) | |
| tree | 552930a588e6ca37a0fe462d325c2e26be3693f3 /drivers | |
| parent | Fix 82875 PCI setup (diff) | |
| download | linux-4f911d64e04a44c47985be30f978fb3c2efcee0c.tar.xz linux-4f911d64e04a44c47985be30f978fb3c2efcee0c.zip | |
Make /dev/port conditional on config symbol
Instead of having /dev/port support dependent in multiple places on a
string of preprocessor symbols, define a new configuration directive for
it. This ensures that all four places remain consistent with each other.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/char/mem.c | 8 |
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index a26d91743b24..eeb5d9693aba 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -1071,5 +1071,11 @@ config TELCLOCK /sys/devices/platform/telco_clock, with a number of files for controlling the behavior of this hardware. +config DEVPORT + bool + depends on !M68K + depends on ISA || PCI + default y + endmenu diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 2c6fc505cc3c..cc9a9d0df979 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -551,7 +551,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf, return virtr + wrote; } -#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT static ssize_t read_port(struct file * file, char __user * buf, size_t count, loff_t *ppos) { @@ -834,7 +834,7 @@ static const struct file_operations null_fops = { .splice_write = splice_write_null, }; -#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT static const struct file_operations port_fops = { .llseek = memory_lseek, .read = read_port, @@ -912,7 +912,7 @@ static int memory_open(struct inode * inode, struct file * filp) case 3: filp->f_op = &null_fops; break; -#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT case 4: filp->f_op = &port_fops; break; @@ -959,7 +959,7 @@ 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(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT {4, "port", S_IRUSR | S_IWUSR | S_IRGRP, &port_fops}, #endif {5, "zero", S_IRUGO | S_IWUGO, &zero_fops}, |