diff options
author | David S. Miller <davem@davemloft.net> | 2008-04-03 14:33:42 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-04-03 14:33:42 -0700 |
commit | 3bb5da3837cc1aa17736b05139c9a22c3794851a (patch) | |
tree | c92d5684a866542b1cb20641607ac1643ce03a47 /drivers/hwmon/w83781d.c | |
parent | 7feb49c82a74bc7c091b8ab2a3f96baa33d08ece (diff) | |
parent | 9597362d354f8655ece324b01d0c640a0e99c077 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
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; } |