diff options
Diffstat (limited to 'src/southbridge/nvidia/ck804/smbus.h')
| -rw-r--r-- | src/southbridge/nvidia/ck804/smbus.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/src/southbridge/nvidia/ck804/smbus.h b/src/southbridge/nvidia/ck804/smbus.h index 6d0c510f89..40b8cb7dcd 100644 --- a/src/southbridge/nvidia/ck804/smbus.h +++ b/src/southbridge/nvidia/ck804/smbus.h @@ -34,25 +34,6 @@ static inline void smbus_delay(void) outb(0x80, 0x80); } -#if 0 -/* Not needed, upon write to PRTCL, the status will be auto-cleared. */ -static int smbus_wait_until_ready(unsigned smbus_io_base) -{ - unsigned long loops; - loops = SMBUS_TIMEOUT; - do { - unsigned char val; - smbus_delay(); - val = inb(smbus_io_base + SMBHSTSTAT); - val &= 0x1f; - if (val == 0) - return 0; - outb(val, smbus_io_base + SMBHSTSTAT); - } while (--loops); - return -2; -} -#endif - static int smbus_wait_until_done(unsigned smbus_io_base) { unsigned long loops; @@ -72,12 +53,6 @@ static int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device) { unsigned char global_status_register, byte; -#if 0 - /* Not needed, upon write to PRTCL, the status will be auto-cleared. */ - if (smbus_wait_until_ready(smbus_io_base) < 0) - return -2; -#endif - /* Set the device I'm talking to. */ outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBXMITADD); smbus_delay(); @@ -112,12 +87,6 @@ static int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, { unsigned global_status_register; -#if 0 - /* Not needed, upon write to PRTCL, the status will be auto-cleared. */ - if (smbus_wait_until_ready(smbus_io_base) < 0) - return -2; -#endif - outb(val, smbus_io_base + SMBHSTDAT0); smbus_delay(); @@ -151,12 +120,6 @@ static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, { unsigned char global_status_register, byte; -#if 0 - /* Not needed, upon write to PRTCL, the status will be auto-cleared. */ - if (smbus_wait_until_ready(smbus_io_base) < 0) - return -2; -#endif - /* Set the device I'm talking to. */ outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBXMITADD); smbus_delay(); @@ -191,12 +154,6 @@ static int do_smbus_write_byte(unsigned smbus_io_base, unsigned device, { unsigned global_status_register; -#if 0 - /* Not needed, upon write to PRTCL, the status will be auto-cleared. */ - if (smbus_wait_until_ready(smbus_io_base) < 0) - return -2; -#endif - outb(val, smbus_io_base + SMBHSTDAT0); smbus_delay(); |