diff options
Diffstat (limited to 'drivers/scsi/arm/cumana_1.c')
| -rw-r--r-- | drivers/scsi/arm/cumana_1.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c index 221f18c5d..8e9cfe8f2 100644 --- a/drivers/scsi/arm/cumana_1.c +++ b/drivers/scsi/arm/cumana_1.c @@ -13,13 +13,14 @@ #include <scsi/scsi_host.h> -#define PSEUDO_DMA - #define priv(host) ((struct NCR5380_hostdata *)(host)->hostdata) #define NCR5380_read(reg) cumanascsi_read(instance, reg) #define NCR5380_write(reg, value) cumanascsi_write(instance, reg, value) #define NCR5380_dma_xfer_len(instance, cmd, phase) (cmd->transfersize) +#define NCR5380_dma_recv_setup cumanascsi_pread +#define NCR5380_dma_send_setup cumanascsi_pwrite +#define NCR5380_dma_residual(instance) (0) #define NCR5380_intr cumanascsi_intr #define NCR5380_queue_command cumanascsi_queue_command @@ -41,8 +42,8 @@ void cumanascsi_setup(char *str, int *ints) #define L(v) (((v)<<16)|((v) & 0x0000ffff)) #define H(v) (((v)>>16)|((v) & 0xffff0000)) -static inline int -NCR5380_pwrite(struct Scsi_Host *host, unsigned char *addr, int len) +static inline int cumanascsi_pwrite(struct Scsi_Host *host, + unsigned char *addr, int len) { unsigned long *laddr; void __iomem *dma = priv(host)->dma + 0x2000; @@ -101,11 +102,14 @@ NCR5380_pwrite(struct Scsi_Host *host, unsigned char *addr, int len) } end: writeb(priv(host)->ctrl | 0x40, priv(host)->base + CTRL); - return len; + + if (len) + return -1; + return 0; } -static inline int -NCR5380_pread(struct Scsi_Host *host, unsigned char *addr, int len) +static inline int cumanascsi_pread(struct Scsi_Host *host, + unsigned char *addr, int len) { unsigned long *laddr; void __iomem *dma = priv(host)->dma + 0x2000; @@ -163,7 +167,10 @@ NCR5380_pread(struct Scsi_Host *host, unsigned char *addr, int len) } end: writeb(priv(host)->ctrl | 0x40, priv(host)->base + CTRL); - return len; + + if (len) + return -1; + return 0; } static unsigned char cumanascsi_read(struct Scsi_Host *host, unsigned int reg) @@ -239,7 +246,7 @@ static int cumanascsi1_probe(struct expansion_card *ec, host->irq = ec->irq; - ret = NCR5380_init(host, 0); + ret = NCR5380_init(host, FLAG_DMA_FIXUP | FLAG_LATE_DMA_SETUP); if (ret) goto out_unmap; |