From 54fb4a05af0a4b814e6716cfdf3fa97fc6be7a32 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Mon, 14 Jul 2008 22:38:33 +0200 Subject: i2c: Check for ACPI resource conflicts Check for ACPI resource conflicts in i2c bus drivers. I've included all recent SMBus master drivers for PC hardware. I've voluntarily left out: * Drivers that don't run on PCs: they can't conflict with ACPI. * Bit-banged bus device drivers: it's very unlikely that ACPI would deal with such buses. Signed-off-by: Jean Delvare --- drivers/i2c/busses/i2c-nforce2.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/i2c/busses/i2c-nforce2.c') diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c index 2654f20d3a6..3b19bc41a60 100644 --- a/drivers/i2c/busses/i2c-nforce2.c +++ b/drivers/i2c/busses/i2c-nforce2.c @@ -51,6 +51,7 @@ #include #include #include +#include #include MODULE_LICENSE("GPL"); @@ -343,6 +344,11 @@ static int __devinit nforce2_probe_smb (struct pci_dev *dev, int bar, smbus->size = 64; } + error = acpi_check_region(smbus->base, smbus->size, + nforce2_driver.name); + if (error) + return -1; + if (!request_region(smbus->base, smbus->size, nforce2_driver.name)) { dev_err(&smbus->adapter.dev, "Error requesting region %02x .. %02X for %s\n", smbus->base, smbus->base+smbus->size-1, name); -- cgit v1.2.3