diff options
Diffstat (limited to 'src/southbridge/intel/esb6300')
| -rw-r--r-- | src/southbridge/intel/esb6300/esb6300_smbus.c | 9 | ||||
| -rw-r--r-- | src/southbridge/intel/esb6300/esb6300_smbus.h | 14 |
2 files changed, 9 insertions, 14 deletions
diff --git a/src/southbridge/intel/esb6300/esb6300_smbus.c b/src/southbridge/intel/esb6300/esb6300_smbus.c index 3aa507070d..9be4a4a37e 100644 --- a/src/southbridge/intel/esb6300/esb6300_smbus.c +++ b/src/southbridge/intel/esb6300/esb6300_smbus.c @@ -8,13 +8,10 @@ #include "esb6300.h" #include "esb6300_smbus.h" -static int lsmbus_read_byte(struct bus *bus, device_t dev, uint8_t address) +static int lsmbus_read_byte(device_t dev, uint8_t address) { - unsigned device; struct resource *res; - - device = dev->path.i2c.device; - res = find_resource(bus->dev, 0x20); + res = find_resource(dev, 0x20); return do_smbus_read_byte(res->base, device, address); } @@ -22,10 +19,12 @@ static int lsmbus_read_byte(struct bus *bus, device_t dev, uint8_t address) static struct smbus_bus_operations lops_smbus_bus = { .read_byte = lsmbus_read_byte, }; + static struct pci_operations lops_pci = { /* The subsystem id follows the ide controller */ .set_subsystem = 0, }; + static struct device_operations smbus_ops = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, diff --git a/src/southbridge/intel/esb6300/esb6300_smbus.h b/src/southbridge/intel/esb6300/esb6300_smbus.h index 861230e130..439b8fc586 100644 --- a/src/southbridge/intel/esb6300/esb6300_smbus.h +++ b/src/southbridge/intel/esb6300/esb6300_smbus.h @@ -14,18 +14,12 @@ #define SMBUS_TIMEOUT (100*1000*10) - -static void smbus_delay(void) -{ - outb(0x80, 0x80); -} - static int smbus_wait_until_ready(unsigned smbus_io_base) { unsigned loops = SMBUS_TIMEOUT; unsigned char byte; do { - smbus_delay(); + udelay(100); if (--loops == 0) break; byte = inb(smbus_io_base + SMBHSTSTAT); @@ -38,7 +32,7 @@ static int smbus_wait_until_done(unsigned smbus_io_base) unsigned loops = SMBUS_TIMEOUT; unsigned char byte; do { - smbus_delay(); + udelay(100); if (--loops == 0) break; byte = inb(smbus_io_base + SMBHSTSTAT); @@ -46,18 +40,20 @@ static int smbus_wait_until_done(unsigned smbus_io_base) return loops?0:-1; } +#ifdef UNUSED_CODE static int smbus_wait_until_blk_done(unsigned smbus_io_base) { unsigned loops = SMBUS_TIMEOUT; unsigned char byte; do { - smbus_delay(); + udelay(100); if (--loops == 0) break; byte = inb(smbus_io_base + SMBHSTSTAT); } while((byte&(1<<7)) == 0); return loops?0:-1; } +#endif static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address) { |