diff options
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_fw.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_glue.c | 32 | ||||
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_hipd.c | 23 | ||||
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_hipd.h | 11 |
4 files changed, 26 insertions, 42 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_fw.c b/drivers/scsi/sym53c8xx_2/sym_fw.c index 3d4db802c06..aa230d23eda 100644 --- a/drivers/scsi/sym53c8xx_2/sym_fw.c +++ b/drivers/scsi/sym53c8xx_2/sym_fw.c @@ -167,7 +167,7 @@ sym_fw2_patch(struct sym_hcb *np) * Remove useless 64 bit DMA specific SCRIPTS, * when this feature is not available. */ - if (!np->use_dac) { + if (!use_dac(np)) { scripta0->is_dmap_dirty[0] = cpu_to_scr(SCR_NO_OP); scripta0->is_dmap_dirty[1] = 0; scripta0->is_dmap_dirty[2] = cpu_to_scr(SCR_NO_OP); diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index c1d9f698966..55012970912 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -1265,31 +1265,6 @@ static void sym_free_resources(struct sym_hcb *np, struct pci_dev *pdev) } /* - * Ask/tell the system about DMA addressing. - */ -static int sym_setup_bus_dma_mask(struct sym_hcb *np) -{ -#if SYM_CONF_DMA_ADDRESSING_MODE > 0 -#if SYM_CONF_DMA_ADDRESSING_MODE == 1 -#define DMA_DAC_MASK DMA_40BIT_MASK -#elif SYM_CONF_DMA_ADDRESSING_MODE == 2 -#define DMA_DAC_MASK DMA_64BIT_MASK -#endif - if ((np->features & FE_DAC) && - !pci_set_dma_mask(np->s.device, DMA_DAC_MASK)) { - np->use_dac = 1; - return 0; - } -#endif - - if (!pci_set_dma_mask(np->s.device, DMA_32BIT_MASK)) - return 0; - - printf_warning("%s: No suitable DMA available\n", sym_name(np)); - return -1; -} - -/* * Host attach and initialisations. * * Allocate host data and ncb structure. @@ -1362,8 +1337,13 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt, strlcpy(np->s.chip_name, dev->chip.name, sizeof(np->s.chip_name)); sprintf(np->s.inst_name, "sym%d", np->s.unit); - if (sym_setup_bus_dma_mask(np)) + if ((SYM_CONF_DMA_ADDRESSING_MODE > 0) && (np->features & FE_DAC) && + !pci_set_dma_mask(np->s.device, DMA_DAC_MASK)) { + set_dac(np); + } else if (pci_set_dma_mask(np->s.device, DMA_32BIT_MASK)) { + printf_warning("%s: No suitable DMA available\n", sym_name(np)); goto attach_failed; + } /* * Try to map the controller chip to diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index 39f84bbe685..5d0d356e1e7 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -778,19 +778,12 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru * 64 bit addressing (895A/896/1010) ? */ if (np->features & FE_DAC) { -#if SYM_CONF_DMA_ADDRESSING_MODE == 0 - np->rv_ccntl1 |= (DDAC); -#elif SYM_CONF_DMA_ADDRESSING_MODE == 1 - if (!np->use_dac) - np->rv_ccntl1 |= (DDAC); - else - np->rv_ccntl1 |= (XTIMOD | EXTIBMV); -#elif SYM_CONF_DMA_ADDRESSING_MODE == 2 - if (!np->use_dac) - np->rv_ccntl1 |= (DDAC); - else - np->rv_ccntl1 |= (0 | EXTIBMV); -#endif + if (!use_dac(np)) + np->rv_ccntl1 |= (DDAC); + else if (SYM_CONF_DMA_ADDRESSING_MODE == 1) + np->rv_ccntl1 |= (XTIMOD | EXTIBMV); + else if (SYM_CONF_DMA_ADDRESSING_MODE == 2) + np->rv_ccntl1 |= (0 | EXTIBMV); } /* @@ -1322,7 +1315,7 @@ int sym_lookup_dmap(struct sym_hcb *np, u32 h, int s) { int i; - if (!np->use_dac) + if (!use_dac(np)) goto weird; /* Look up existing mappings */ @@ -1837,7 +1830,7 @@ void sym_start_up (struct sym_hcb *np, int reason) * Set up scratch C and DRS IO registers to map the 32 bit * DMA address range our data structures are located in. */ - if (np->use_dac) { + if (use_dac(np)) { np->dmap_bah[0] = 0; /* ??? */ OUTL(np, nc_scrx[0], np->dmap_bah[0]); OUTL(np, nc_drs, np->dmap_bah[0]); diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.h b/drivers/scsi/sym53c8xx_2/sym_hipd.h index f76b27f0aa2..4354571a63e 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.h +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.h @@ -1026,6 +1026,14 @@ struct sym_hcb { #endif }; +#if SYM_CONF_DMA_ADDRESSING_MODE == 0 +#define use_dac(np) 0 +#define set_dac(np) do { } while (0) +#else +#define use_dac(np) (np)->use_dac +#define set_dac(np) (np)->use_dac = 1 +#endif + #define HCB_BA(np, lbl) (np->hcb_ba + offsetof(struct sym_hcb, lbl)) @@ -1068,18 +1076,21 @@ int sym_hcb_attach(struct Scsi_Host *shost, struct sym_fw *fw, struct sym_nvram */ #if SYM_CONF_DMA_ADDRESSING_MODE == 0 +#define DMA_DAC_MASK DMA_32BIT_MASK #define sym_build_sge(np, data, badd, len) \ do { \ (data)->addr = cpu_to_scr(badd); \ (data)->size = cpu_to_scr(len); \ } while (0) #elif SYM_CONF_DMA_ADDRESSING_MODE == 1 +#define DMA_DAC_MASK DMA_40BIT_MASK #define sym_build_sge(np, data, badd, len) \ do { \ (data)->addr = cpu_to_scr(badd); \ (data)->size = cpu_to_scr((((badd) >> 8) & 0xff000000) + len); \ } while (0) #elif SYM_CONF_DMA_ADDRESSING_MODE == 2 +#define DMA_DAC_MASK DMA_64BIT_MASK int sym_lookup_dmap(struct sym_hcb *np, u32 h, int s); static __inline void sym_build_sge(struct sym_hcb *np, struct sym_tblmove *data, u64 badd, int len) |