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author | Geert Uytterhoeven <geert@linux-m68k.org> | 2013-10-04 09:38:53 +0200 |
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committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2013-11-26 11:09:09 +0100 |
commit | bd9ba8f40ee30edf31cc0845d8838bc43d172ef3 (patch) | |
tree | 4c073ce3a53d7cccbc3ac7335854d424faa2c289 /drivers/zorro | |
parent | 986ea58dfb52097999cc388880505fc7a10e4779 (diff) | |
download | lwn-bd9ba8f40ee30edf31cc0845d8838bc43d172ef3.tar.gz lwn-bd9ba8f40ee30edf31cc0845d8838bc43d172ef3.zip |
zorro/UAPI: Use proper types (endianness/size) in <linux/zorro.h>
Fix member definitions for non-native userspace handling:
- All multi-byte values are big-endian, hence use __be*,
- All pointers are 32-bit pointers under AmigaOS, but unused (except for
cd_BoardAddr) under Linux, hence use __be32.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'drivers/zorro')
-rw-r--r-- | drivers/zorro/proc.c | 10 | ||||
-rw-r--r-- | drivers/zorro/zorro-sysfs.c | 22 | ||||
-rw-r--r-- | drivers/zorro/zorro.c | 4 |
3 files changed, 26 insertions, 10 deletions
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c index ea1ce822a8e0..6ac2579da0eb 100644 --- a/drivers/zorro/proc.c +++ b/drivers/zorro/proc.c @@ -14,6 +14,8 @@ #include <linux/seq_file.h> #include <linux/init.h> #include <linux/export.h> + +#include <asm/byteorder.h> #include <asm/uaccess.h> #include <asm/amigahw.h> #include <asm/setup.h> @@ -41,10 +43,10 @@ proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t * /* Construct a ConfigDev */ memset(&cd, 0, sizeof(cd)); cd.cd_Rom = z->rom; - cd.cd_SlotAddr = z->slotaddr; - cd.cd_SlotSize = z->slotsize; - cd.cd_BoardAddr = (void *)zorro_resource_start(z); - cd.cd_BoardSize = zorro_resource_len(z); + cd.cd_SlotAddr = cpu_to_be16(z->slotaddr); + cd.cd_SlotSize = cpu_to_be16(z->slotsize); + cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z)); + cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z)); if (copy_to_user(buf, (void *)&cd + pos, nbytes)) return -EFAULT; diff --git a/drivers/zorro/zorro-sysfs.c b/drivers/zorro/zorro-sysfs.c index 26f7184ef9e1..36b210f9b6b2 100644 --- a/drivers/zorro/zorro-sysfs.c +++ b/drivers/zorro/zorro-sysfs.c @@ -16,6 +16,8 @@ #include <linux/stat.h> #include <linux/string.h> +#include <asm/byteorder.h> + #include "zorro.h" @@ -33,10 +35,20 @@ static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL); zorro_config_attr(id, id, "0x%08x\n"); zorro_config_attr(type, rom.er_Type, "0x%02x\n"); -zorro_config_attr(serial, rom.er_SerialNumber, "0x%08x\n"); zorro_config_attr(slotaddr, slotaddr, "0x%04x\n"); zorro_config_attr(slotsize, slotsize, "0x%04x\n"); +static ssize_t +show_serial(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct zorro_dev *z; + + z = to_zorro_dev(dev); + return sprintf(buf, "0x%08x\n", be32_to_cpu(z->rom.er_SerialNumber)); +} + +static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); + static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *attr, char *buf) { struct zorro_dev *z = to_zorro_dev(dev); @@ -60,10 +72,10 @@ static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj, /* Construct a ConfigDev */ memset(&cd, 0, sizeof(cd)); cd.cd_Rom = z->rom; - cd.cd_SlotAddr = z->slotaddr; - cd.cd_SlotSize = z->slotsize; - cd.cd_BoardAddr = (void *)zorro_resource_start(z); - cd.cd_BoardSize = zorro_resource_len(z); + cd.cd_SlotAddr = cpu_to_be16(z->slotaddr); + cd.cd_SlotSize = cpu_to_be16(z->slotsize); + cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z)); + cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z)); return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd)); } diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c index 450abf100f06..707c1a5a0317 100644 --- a/drivers/zorro/zorro.c +++ b/drivers/zorro/zorro.c @@ -18,6 +18,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> +#include <asm/byteorder.h> #include <asm/setup.h> #include <asm/amigahw.h> @@ -161,7 +162,8 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) z = &zorro_autocon[i]; z->rom = zi->rom; - z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8); + z->id = (be16_to_cpu(z->rom.er_Manufacturer) << 16) | + (z->rom.er_Product << 8); if (z->id == ZORRO_PROD_GVP_EPC_BASE) { /* GVP quirk */ unsigned long magic = zi->boardaddr + 0x8000; |