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author | Ingo Molnar <mingo@elte.hu> | 2010-02-08 10:55:43 +0300 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-02-08 10:55:46 +0300 |
commit | 6d3e0907b8b239d16720d144e2675ecf10d3bc3b (patch) | |
tree | e0b0743b5f6f82b057cafc4f3687396a6e01a0b4 /drivers/hwmon/lm78.c | |
parent | 23577256953c870de9b724c3a2611ce7be6a1e4e (diff) | |
parent | 50200df462023b187d80a99a52f5f2cfe3c86c26 (diff) | |
download | linux-6d3e0907b8b239d16720d144e2675ecf10d3bc3b.tar.xz |
Merge branch 'sched/urgent' into sched/core
Merge reason: Merge dependent fix, update to latest -rc.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/hwmon/lm78.c')
-rw-r--r-- | drivers/hwmon/lm78.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index cadcbd90ff3b..72ff2c4e757d 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -851,17 +851,16 @@ static struct lm78_data *lm78_update_device(struct device *dev) static int __init lm78_isa_found(unsigned short address) { int val, save, found = 0; - - /* 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, "lm78")) { - pr_debug("lm78: Failed to request low part of region\n"); - return 0; - } - if (!request_region(address + 4, 4, "lm78")) { - pr_debug("lm78: Failed to request high part of region\n"); - release_region(address, 4); - return 0; + int port; + + /* Some boards declare base+0 to base+7 as a PNP device, some base+4 + * to base+7 and some base+5 to base+6. So we better request each port + * individually for the probing phase. */ + for (port = address; port < address + LM78_EXTENT; port++) { + if (!request_region(port, 1, "lm78")) { + pr_debug("lm78: Failed to request port 0x%x\n", port); + goto release; + } } #define REALLY_SLOW_IO @@ -925,8 +924,8 @@ static int __init lm78_isa_found(unsigned short address) val & 0x80 ? "LM79" : "LM78", (int)address); release: - release_region(address + 4, 4); - release_region(address, 4); + for (port--; port >= address; port--) + release_region(port, 1); return found; } |