korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-14 15:54:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

[SCSI] advansys: Remove DvcGetPhyAddr

Browse Source 
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>
This commit is contained in:
Matthew Wilcox 2007-10-02 21:55:38 -04:00 committed by James Bottomley
parent 98d41c29a4
commit fd625f4705
1 changed files with 3 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
drivers/scsi/advansys.c
View File

@ -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);