[SCSI] aic79xx: remove some dead code
remove some dead cruft, as done already in aic7xxx Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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@ -254,39 +254,8 @@ ahd_scb_timer_reset(struct scb *scb, u_int usec)
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/***************************** SMP support ************************************/
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#include <linux/spinlock.h>
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#define AHD_SCSI_HAS_HOST_LOCK 1
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#define AIC79XX_DRIVER_VERSION "1.3.11"
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/**************************** Front End Queues ********************************/
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/*
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* Data structure used to cast the Linux struct scsi_cmnd to something
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* that allows us to use the queue macros. The linux structure has
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* plenty of space to hold the links fields as required by the queue
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* macros, but the queue macors require them to have the correct type.
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*/
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struct ahd_cmd_internal {
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/* Area owned by the Linux scsi layer. */
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uint8_t private[offsetof(struct scsi_cmnd, SCp.Status)];
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union {
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STAILQ_ENTRY(ahd_cmd) ste;
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LIST_ENTRY(ahd_cmd) le;
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TAILQ_ENTRY(ahd_cmd) tqe;
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} links;
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uint32_t end;
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};
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struct ahd_cmd {
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union {
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struct ahd_cmd_internal icmd;
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struct scsi_cmnd scsi_cmd;
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} un;
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};
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#define acmd_icmd(cmd) ((cmd)->un.icmd)
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#define acmd_scsi_cmd(cmd) ((cmd)->un.scsi_cmd)
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#define acmd_links un.icmd.links
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/*************************** Device Data Structures ***************************/
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/*
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* A per probed device structure used to deal with some error recovery
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@ -297,13 +266,10 @@ struct ahd_cmd {
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*/
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typedef enum {
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AHD_DEV_UNCONFIGURED = 0x01,
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AHD_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
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AHD_DEV_TIMER_ACTIVE = 0x04, /* Our timer is active */
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AHD_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */
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AHD_DEV_Q_TAGGED = 0x20, /* Allow full SCSI2 command queueing */
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AHD_DEV_PERIODIC_OTAG = 0x40, /* Send OTAG to prevent starvation */
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AHD_DEV_SLAVE_CONFIGURED = 0x80 /* slave_configure() has been called */
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} ahd_linux_dev_flags;
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struct ahd_linux_target;
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@ -432,7 +398,6 @@ struct ahd_platform_data {
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uint32_t irq; /* IRQ for this adapter */
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uint32_t bios_address;
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uint32_t mem_busaddr; /* Mem Base Addr */
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uint64_t hw_dma_mask;
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#define AHD_SCB_UP_EH_SEM 0x1
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uint32_t flags;
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};
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@ -177,15 +177,12 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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if (memsize >= 0x8000000000ULL
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&& pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
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ahd->flags |= AHD_64BIT_ADDRESSING;
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ahd->platform_data->hw_dma_mask = DMA_64BIT_MASK;
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} else if (memsize > 0x80000000
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&& pci_set_dma_mask(pdev, mask_39bit) == 0) {
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ahd->flags |= AHD_39BIT_ADDRESSING;
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ahd->platform_data->hw_dma_mask = mask_39bit;
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}
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} else {
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pci_set_dma_mask(pdev, DMA_32BIT_MASK);
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ahd->platform_data->hw_dma_mask = DMA_32BIT_MASK;
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}
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ahd->dev_softc = pci;
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error = ahd_pci_config(ahd, entry);
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