Changeset 1399 for lm-sensors/trunk/kernel/busses/i2c-i801.c

Timestamp:

06/16/02 21:42:16 (11 years ago)

Author:

mds

Message:

fix block w/ PEC termination

Files:

• lm-sensors/trunk/kernel/busses/i2c-i801.c (modified) (3 diffs)

lm-sensors/trunk/kernel/busses/i2c-i801.c

@@ -27 +27 @@
     82801BA             2443           
     82801CA/CAM         2483           
-    82801DB             24C3           
+    82801DB             24C3   (32 byte buffer and HW PEC not yet supported)
 
     This driver supports several versions of Intel's I/O Controller Hubs (ICH).
@@ -547 +547 @@
 #ifdef HAVE_PEC
         if(isich4 && command == I2C_SMBUS_BLOCK_DATA_PEC) {
+                /* wait for INTR bit as advised by Intel */
                 timeout = 0;
                 do {
                         temp = inb_p(SMBHSTSTS);
                         i801_do_pause(1);
-                }
-                    while ((!(temp & 0x80))
+                } while ((!(temp & 0x02))
                            && (timeout++ < MAX_TIMEOUT));
 
-                /* If the SMBus is still busy, we give up */
                 if (timeout >= MAX_TIMEOUT) {
-#ifdef DEBUG
                         printk(KERN_DEBUG "i2c-i801.o: PEC Timeout!\n");
-#endif
                 }
                 if(read_write == I2C_SMBUS_READ) {
@@ -565 +562 @@
                 }
                 outb_p(temp, SMBHSTSTS); 
-                printk("i2c-i801.o: sts = 0x%02x len = %d PEC = 0x%02x\n", temp, len, data->block[len + 1]);
         }
 #endif