Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / scsi / sym53c8xx_2 / sym_nvram.c

diff --git a/drivers/scsi/sym53c8xx_2/sym_nvram.c b/drivers/scsi/sym53c8xx_2/sym_nvram.c
index 1b721e3..15d6929 100644 (file)
--- a/drivers/scsi/sym53c8xx_2/sym_nvram.c
+++ b/drivers/scsi/sym53c8xx_2/sym_nvram.c
@@ -92,29 +92,32 @@ void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sy
  *  Get target set-up from Symbios format NVRAM.
  */
 static void
-sym_Symbios_setup_target(struct sym_hcb *np, int target, Symbios_nvram *nvram)
+sym_Symbios_setup_target(struct sym_tcb *tp, int target, Symbios_nvram *nvram)
 {
-       struct sym_tcb *tp = &np->target[target];
        Symbios_target *tn = &nvram->target[target];
 
-       tp->usrtags =
-               (tn->flags & SYMBIOS_QUEUE_TAGS_ENABLED)? SYM_SETUP_MAX_TAG : 0;
-
+       if (!(tn->flags & SYMBIOS_QUEUE_TAGS_ENABLED))
+               tp->usrtags = 0;
        if (!(tn->flags & SYMBIOS_DISCONNECT_ENABLE))
                tp->usrflags &= ~SYM_DISC_ENABLED;
        if (!(tn->flags & SYMBIOS_SCAN_AT_BOOT_TIME))
                tp->usrflags |= SYM_SCAN_BOOT_DISABLED;
        if (!(tn->flags & SYMBIOS_SCAN_LUNS))
                tp->usrflags |= SYM_SCAN_LUNS_DISABLED;
+       tp->usr_period = (tn->sync_period + 3) / 4;
+       tp->usr_width = (tn->bus_width == 0x8) ? 0 : 1;
 }
 
+static const unsigned char Tekram_sync[16] = {
+       25, 31, 37, 43, 50, 62, 75, 125, 12, 15, 18, 21, 6, 7, 9, 10
+};
+
 /*
  *  Get target set-up from Tekram format NVRAM.
  */
 static void
-sym_Tekram_setup_target(struct sym_hcb *np, int target, Tekram_nvram *nvram)
+sym_Tekram_setup_target(struct sym_tcb *tp, int target, Tekram_nvram *nvram)
 {
-       struct sym_tcb *tp = &np->target[target];
        struct Tekram_target *tn = &nvram->target[target];
 
        if (tn->flags & TEKRAM_TAGGED_COMMANDS) {
@@ -124,22 +127,22 @@ sym_Tekram_setup_target(struct sym_hcb *np, int target, Tekram_nvram *nvram)
        if (tn->flags & TEKRAM_DISCONNECT_ENABLE)
                tp->usrflags |= SYM_DISC_ENABLED;
  
-       /* If any device does not support parity, we will not use this option */
-       if (!(tn->flags & TEKRAM_PARITY_CHECK))
-               np->rv_scntl0  &= ~0x0a; /* SCSI parity checking disabled */
+       if (tn->flags & TEKRAM_SYNC_NEGO)
+               tp->usr_period = Tekram_sync[tn->sync_index & 0xf];
+       tp->usr_width = (tn->flags & TEKRAM_WIDE_NEGO) ? 1 : 0;
 }
 
 /*
  *  Get target setup from NVRAM.
  */
-void sym_nvram_setup_target(struct sym_hcb *np, int target, struct sym_nvram *nvp)
+void sym_nvram_setup_target(struct sym_tcb *tp, int target, struct sym_nvram *nvp)
 {
        switch (nvp->type) {
        case SYM_SYMBIOS_NVRAM:
-               sym_Symbios_setup_target(np, target, &nvp->data.Symbios);
+               sym_Symbios_setup_target(tp, target, &nvp->data.Symbios);
                break;
        case SYM_TEKRAM_NVRAM:
-               sym_Tekram_setup_target(np, target, &nvp->data.Tekram);
+               sym_Tekram_setup_target(tp, target, &nvp->data.Tekram);
                break;
        default:
                break;
@@ -270,6 +273,7 @@ static void S24C16_set_bit(struct sym_device *np, u_char write_bit, u_char *gpre
 
        }
        OUTB(np, nc_gpreg, *gpreg);
+       INB(np, nc_mbox1);
        udelay(5);
 }
 
@@ -366,7 +370,7 @@ static void S24C16_read_byte(struct sym_device *np, u_char *read_data, u_char ac
        S24C16_write_ack(np, ack_data, gpreg, gpcntl);
 }
 
-#if SYM_CONF_NVRAM_WRITE_SUPPORT
+#ifdef SYM_CONF_NVRAM_WRITE_SUPPORT
 /*
  *  Write 'len' bytes starting at 'offset'.
  */
@@ -547,6 +551,7 @@ static int sym_read_Symbios_nvram(struct sym_device *np, Symbios_nvram *nvram)
 static void T93C46_Clk(struct sym_device *np, u_char *gpreg)
 {
        OUTB(np, nc_gpreg, *gpreg | 0x04);
+       INB(np, nc_mbox1);
        udelay(2);
        OUTB(np, nc_gpreg, *gpreg);
 }
@@ -574,6 +579,7 @@ static void T93C46_Write_Bit(struct sym_device *np, u_char write_bit, u_char *gp
        *gpreg |= 0x10;
                
        OUTB(np, nc_gpreg, *gpreg);
+       INB(np, nc_mbox1);
        udelay(2);
 
        T93C46_Clk(np, gpreg);
@@ -586,6 +592,7 @@ static void T93C46_Stop(struct sym_device *np, u_char *gpreg)
 {
        *gpreg &= 0xef;
        OUTB(np, nc_gpreg, *gpreg);
+       INB(np, nc_mbox1);
        udelay(2);
 
        T93C46_Clk(np, gpreg);
@@ -733,7 +740,8 @@ static int sym_read_parisc_pdc(struct sym_device *np, struct pdc_initiator *pdc)
        return SYM_PARISC_PDC;
 }
 #else
-static int sym_read_parisc_pdc(struct sym_device *np, struct pdc_initiator *x)
+static inline int sym_read_parisc_pdc(struct sym_device *np,
+                                       struct pdc_initiator *x)
 {
        return 0;
 }