diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_glue.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_hipd.c | 29 |
3 files changed, 26 insertions, 20 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 52690fecc51..3e7302692db 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1079,7 +1079,7 @@ config SCSI_SYM53C8XX_DMA_ADDRESSING_MODE memory using PCI DAC cycles. config SCSI_SYM53C8XX_DEFAULT_TAGS - int "default tagged command queue depth" + int "Default tagged command queue depth" depends on SCSI_SYM53C8XX_2 default "16" help @@ -1090,7 +1090,7 @@ config SCSI_SYM53C8XX_DEFAULT_TAGS exceed CONFIG_SCSI_SYM53C8XX_MAX_TAGS. config SCSI_SYM53C8XX_MAX_TAGS - int "maximum number of queued commands" + int "Maximum number of queued commands" depends on SCSI_SYM53C8XX_2 default "64" help @@ -1099,13 +1099,14 @@ config SCSI_SYM53C8XX_MAX_TAGS possible. The driver supports up to 256 queued commands per device. This value is used as a compiled-in hard limit. -config SCSI_SYM53C8XX_IOMAPPED - bool "use port IO" +config SCSI_SYM53C8XX_MMIO + bool "Use memory mapped IO" depends on SCSI_SYM53C8XX_2 + default y help - If you say Y here, the driver will use port IO to access - the card. This is significantly slower then using memory - mapped IO. Most people should answer N. + Memory mapped IO is faster than Port IO. Most people should + answer Y here, but some machines may have problems. If you have + to answer N here, please report the problem to the maintainer. config SCSI_IPR tristate "IBM Power Linux RAID adapter support" diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index 1fffd2b3c65..ec9d93aa160 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -1874,7 +1874,7 @@ sym_init_device(struct pci_dev *pdev, struct sym_device *device) i = pci_get_base_address(pdev, 1, &device->mmio_base); pci_get_base_address(pdev, i, &device->ram_base); -#ifndef CONFIG_SCSI_SYM53C8XX_IOMAPPED +#ifdef CONFIG_SCSI_SYM53C8XX_MMIO if (device->mmio_base) device->s.ioaddr = pci_iomap(pdev, 1, pci_resource_len(pdev, 1)); diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index 60850cbe3a8..a95b262bbe8 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -973,8 +973,8 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru * * Has to be called with interrupts disabled. */ -#ifndef CONFIG_SCSI_SYM53C8XX_IOMAPPED -static int sym_regtest (struct sym_hcb *np) +#ifdef CONFIG_SCSI_SYM53C8XX_MMIO +static int sym_regtest(struct sym_hcb *np) { register volatile u32 data; /* @@ -992,20 +992,25 @@ static int sym_regtest (struct sym_hcb *np) #endif printf ("CACHE TEST FAILED: reg dstat-sstat2 readback %x.\n", (unsigned) data); - return (0x10); + return 0x10; } - return (0); + return 0; +} +#else +static inline int sym_regtest(struct sym_hcb *np) +{ + return 0; } #endif -static int sym_snooptest (struct sym_hcb *np) +static int sym_snooptest(struct sym_hcb *np) { - u32 sym_rd, sym_wr, sym_bk, host_rd, host_wr, pc, dstat; - int i, err=0; -#ifndef CONFIG_SCSI_SYM53C8XX_IOMAPPED - err |= sym_regtest (np); - if (err) return (err); -#endif + u32 sym_rd, sym_wr, sym_bk, host_rd, host_wr, pc, dstat; + int i, err; + + err = sym_regtest(np); + if (err) + return err; restart_test: /* * Enable Master Parity Checking as we intend @@ -1094,7 +1099,7 @@ restart_test: err |= 4; } - return (err); + return err; } /* |