diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
| commit | adf6d34e460387ee3e8f1e1875d52bff51212c7d (patch) | |
| tree | 88ef100143e6184103a608f82dfd232bf6376eaf /drivers/hwmon/w83781d.c | |
| parent | d1964dab60ce7c104dd21590e987a8787db18051 (diff) | |
| parent | 3760d31f11bfbd0ead9eaeb8573e0602437a9d7c (diff) | |
Merge branch 'omap2-upstream' into devel
Diffstat (limited to 'drivers/hwmon/w83781d.c')
| -rw-r--r-- | drivers/hwmon/w83781d.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index 5c85670e2d1..f942ecdd47c 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -1367,7 +1367,8 @@ w83781d_isa_probe(struct platform_device *pdev) /* Reserve the ISA region */ res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!request_region(res->start, W83781D_EXTENT, "w83781d")) { + if (!request_region(res->start + W83781D_ADDR_REG_OFFSET, 2, + "w83781d")) { err = -EBUSY; goto exit; } @@ -1415,7 +1416,7 @@ w83781d_isa_probe(struct platform_device *pdev) device_remove_file(&pdev->dev, &dev_attr_name); kfree(data); exit_release_region: - release_region(res->start, W83781D_EXTENT); + release_region(res->start + W83781D_ADDR_REG_OFFSET, 2); exit: return err; } @@ -1429,7 +1430,7 @@ w83781d_isa_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); device_remove_file(&pdev->dev, &dev_attr_name); - release_region(data->client.addr, W83781D_EXTENT); + release_region(data->client.addr + W83781D_ADDR_REG_OFFSET, 2); kfree(data); return 0; @@ -1797,8 +1798,17 @@ w83781d_isa_found(unsigned short address) { int val, save, found = 0; - if (!request_region(address, W83781D_EXTENT, "w83781d")) + /* We have to request the region in two parts because some + boards declare base+4 to base+7 as a PNP device */ + if (!request_region(address, 4, "w83781d")) { + pr_debug("w83781d: Failed to request low part of region\n"); return 0; + } + if (!request_region(address + 4, 4, "w83781d")) { + pr_debug("w83781d: Failed to request high part of region\n"); + release_region(address, 4); + return 0; + } #define REALLY_SLOW_IO /* We need the timeouts for at least some W83781D-like @@ -1871,7 +1881,8 @@ w83781d_isa_found(unsigned short address) val == 0x30 ? "W83782D" : "W83781D", (int)address); release: - release_region(address, W83781D_EXTENT); + release_region(address + 4, 4); + release_region(address, 4); return found; } |