diff options
author | Paul Mundt <lethal@linux-sh.org> | 2010-02-08 11:34:03 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-02-08 11:34:03 +0900 |
commit | 2e18e047981ae04be9bd0d9760057f7c1a7b3785 (patch) | |
tree | 999941abf466ce4d6915273e2e7a42bf0a107385 /drivers/hwmon/lm78.c | |
parent | b06ede84dd1473dec7c6af03a41c8d04d2fee437 (diff) | |
parent | cfefe99795251d76d92e8457f4152f532a961ec5 (diff) |
Merge branch 'sh/dmaengine'
Conflicts:
arch/sh/drivers/dma/dma-sh.c
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 cadcbd90ff3..72ff2c4e757 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; } |