basic modification from way back
[powerpc.git] / drivers / ieee1394 / ohci1394.c
index 06fac0d..5dadfd2 100644 (file)
@@ -507,9 +507,8 @@ static void ohci_initialize(struct ti_ohci *ohci)
        /* Set up self-id dma buffer */
        reg_write(ohci, OHCI1394_SelfIDBuffer, ohci->selfid_buf_bus);
 
-       /* enable self-id and phys */
-       reg_write(ohci, OHCI1394_LinkControlSet, OHCI1394_LinkControl_RcvSelfID |
-                 OHCI1394_LinkControl_RcvPhyPkt);
+       /* enable self-id */
+       reg_write(ohci, OHCI1394_LinkControlSet, OHCI1394_LinkControl_RcvSelfID);
 
        /* Set the Config ROM mapping register */
        reg_write(ohci, OHCI1394_ConfigROMmap, ohci->csr_config_rom_bus);
@@ -518,9 +517,6 @@ static void ohci_initialize(struct ti_ohci *ohci)
        ohci->max_packet_size =
                1<<(((reg_read(ohci, OHCI1394_BusOptions)>>12)&0xf)+1);
                
-       /* Don't accept phy packets into AR request context */
-       reg_write(ohci, OHCI1394_LinkControlClear, 0x00000400);
-
        /* Clear the interrupt mask */
        reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, 0xffffffff);
        reg_write(ohci, OHCI1394_IsoRecvIntEventClear, 0xffffffff);
@@ -617,7 +613,7 @@ static void ohci_initialize(struct ti_ohci *ohci)
 #endif
 
                PRINT(KERN_DEBUG, "Serial EEPROM has suspicious values, "
-                      "attempting to setting max_packet_size to 512 bytes");
+                      "attempting to set max_packet_size to 512 bytes");
                reg_write(ohci, OHCI1394_BusOptions,
                          (reg_read(ohci, OHCI1394_BusOptions) & 0xf007) | 0x8002);
                ohci->max_packet_size = 512;
@@ -2377,6 +2373,7 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id)
        if (event & OHCI1394_postedWriteErr) {
                PRINT(KERN_ERR, "physical posted write error");
                /* no recovery strategy yet, had to involve protocol drivers */
+               event &= ~OHCI1394_postedWriteErr;
        }
        if (event & OHCI1394_cycleTooLong) {
                if(printk_ratelimit())
@@ -3658,6 +3655,7 @@ static struct pci_driver ohci1394_pci_driver = {
 /* essentially the only purpose of this code is to allow another
    module to hook into ohci's interrupt handler */
 
+/* returns zero if successful, one if DMA context is locked up */
 int ohci1394_stop_context(struct ti_ohci *ohci, int reg, char *msg)
 {
        int i=0;