diff options
author | Matthew Wilcox <matthew@wil.cx> | 2007-10-02 21:55:38 -0400 |
---|---|---|
committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-10-12 14:53:52 -0400 |
commit | fd625f4705977de1ad00ac3cb519ec3ee8fd8598 (patch) | |
tree | 4f4e38fe30f39a7ca39a6171bf16683125defe0f /drivers/scsi | |
parent | 98d41c29a4b38c5b5e8ce5e13c4f3ac852615e0b (diff) | |
download | linux-fd625f4705977de1ad00ac3cb519ec3ee8fd8598.tar.bz2 |
[SCSI] advansys: Remove DvcGetPhyAddr
This rather complex function boiled down to calling virt_to_bus().
Also get rid of some obsolete defines and variables that could never vary.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/advansys.c | 73 |
1 files changed, 3 insertions, 70 deletions
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 0459c85b74b8..ab9108293d0f 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -992,19 +992,6 @@ typedef struct asc_mc_saved { #define ADV_MAX_SG_LIST 255 #define NO_OF_SG_PER_BLOCK 15 -/* Number of SG blocks needed. */ -#define ADV_NUM_SG_BLOCK \ - ((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK) - -/* Total contiguous memory needed for SG blocks. */ -#define ADV_SG_TOTAL_MEM_SIZE \ - (sizeof(ADV_SG_BLOCK) * ADV_NUM_SG_BLOCK) - -#define ADV_PAGE_SIZE PAGE_SIZE - -#define ADV_NUM_PAGE_CROSSING \ - ((ADV_SG_TOTAL_MEM_SIZE + (ADV_PAGE_SIZE - 1))/ADV_PAGE_SIZE) - #define ADV_EEP_DVC_CFG_BEGIN (0x00) #define ADV_EEP_DVC_CFG_END (0x15) #define ADV_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */ @@ -1792,8 +1779,7 @@ typedef struct adv_carr_t { #define ASC_GET_CARRP(carrp) ((carrp) & ASC_NEXT_VPA_MASK) #define ADV_CARRIER_NUM_PAGE_CROSSING \ - (((ADV_CARRIER_COUNT * sizeof(ADV_CARR_T)) + \ - (ADV_PAGE_SIZE - 1))/ADV_PAGE_SIZE) + (((ADV_CARRIER_COUNT * sizeof(ADV_CARR_T)) + (PAGE_SIZE - 1))/PAGE_SIZE) #define ADV_CARRIER_BUFSIZE \ ((ADV_CARRIER_COUNT + ADV_CARRIER_NUM_PAGE_CROSSING) * sizeof(ADV_CARR_T)) @@ -2174,16 +2160,6 @@ do { \ #define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */ #define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */ -/* - * DvcGetPhyAddr() flag arguments - */ -#define ADV_IS_SCSIQ_FLAG 0x01 /* 'addr' is ASC_SCSI_REQ_Q pointer */ -#define ADV_ASCGETSGLIST_VADDR 0x02 /* 'addr' is AscGetSGList() virtual addr */ -#define ADV_IS_SENSE_FLAG 0x04 /* 'addr' is sense virtual pointer */ -#define ADV_IS_DATA_FLAG 0x08 /* 'addr' is data virtual pointer */ -#define ADV_IS_SGLIST_FLAG 0x10 /* 'addr' is sglist virtual pointer */ -#define ADV_IS_CARRIER_FLAG 0x20 /* 'addr' is ADV_CARR_T pointer */ - /* Return the address that is aligned at the next doubleword >= to 'addr'. */ #define ADV_8BALIGN(addr) (((ulong) (addr) + 0x7) & ~0x7) #define ADV_16BALIGN(addr) (((ulong) (addr) + 0xF) & ~0xF) @@ -6483,29 +6459,6 @@ static int AdvLoadMicrocode(AdvPortAddr iop_base, unsigned char *buf, int size, return 0; } -/* - * DvcGetPhyAddr() - * - * Return the physical address of 'vaddr' and set '*lenp' to the - * number of physically contiguous bytes that follow 'vaddr'. - * 'flag' indicates the type of structure whose physical address - * is being translated. - * - * Note: Because Linux currently doesn't page the kernel and all - * kernel buffers are physically contiguous, leave '*lenp' unchanged. - */ -ADV_PADDR -DvcGetPhyAddr(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq, - uchar *vaddr, ADV_SDCNT *lenp, int flag) -{ - ADV_PADDR paddr = virt_to_bus(vaddr); - - ASC_DBG(4, "vaddr 0x%p, lenp 0x%p *lenp %lu, paddr 0x%lx\n", - vaddr, lenp, (ulong)*((ulong *)lenp), (ulong)paddr); - - return paddr; -} - static void AdvBuildCarrierFreelist(struct adv_dvc_var *asc_dvc) { ADV_CARR_T *carrp; @@ -6522,24 +6475,10 @@ static void AdvBuildCarrierFreelist(struct adv_dvc_var *asc_dvc) do { /* Get physical address of the carrier 'carrp'. */ - ADV_DCNT contig_len = sizeof(ADV_CARR_T); - carr_paddr = cpu_to_le32(DvcGetPhyAddr(asc_dvc, NULL, - (uchar *)carrp, - (ADV_SDCNT *)&contig_len, - ADV_IS_CARRIER_FLAG)); + carr_paddr = cpu_to_le32(virt_to_bus(carrp)); buf_size -= sizeof(ADV_CARR_T); - /* - * If the current carrier is not physically contiguous, then - * maybe there was a page crossing. Try the next carrier - * aligned start address. - */ - if (contig_len < sizeof(ADV_CARR_T)) { - carrp++; - continue; - } - carrp->carr_pa = carr_paddr; carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp)); @@ -10915,7 +10854,6 @@ static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq) static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq) { AdvPortAddr iop_base; - ADV_DCNT req_size; ADV_PADDR req_paddr; ADV_CARR_T *new_carrp; @@ -10953,13 +10891,8 @@ static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq) */ scsiq->a_flag &= ~ADV_SCSIQ_DONE; - req_size = sizeof(ADV_SCSI_REQ_Q); - req_paddr = DvcGetPhyAddr(asc_dvc, scsiq, (uchar *)scsiq, - (ADV_SDCNT *)&req_size, ADV_IS_SCSIQ_FLAG); - + req_paddr = virt_to_bus(scsiq); BUG_ON(req_paddr & 31); - BUG_ON(req_size < sizeof(ADV_SCSI_REQ_Q)); - /* Wait for assertion before making little-endian */ req_paddr = cpu_to_le32(req_paddr); |