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Subject[PATCH] NCR53C9x unused SCp.have_data_in
NCR53C9x: Remove unused initialization of SCp.have_data_in (from Maciej W.
Rozycki). This affects the following drivers:
- DECstation SCSI
- Amiga Oktagon SCSI

--- linux-2.5.x/drivers/scsi/NCR53C9x.c 2002-09-12 03:20:28.000000000 +0000
+++ linux-m68k-2.5.x/drivers/scsi/NCR53C9x.c 2002-10-22 23:02:09.000000000 +0000
@@ -917,7 +917,7 @@ static void esp_get_dmabufs(struct NCR_E
if (esp->dma_mmu_get_scsi_one)
esp->dma_mmu_get_scsi_one(esp, sp);
else
- sp->SCp.have_data_in = (int) sp->SCp.ptr =
+ sp->SCp.ptr =
(char *) virt_to_phys(sp->request_buffer);
} else {
sp->SCp.buffer = (struct scatterlist *) sp->buffer;
--- linux-2.5.x/drivers/scsi/dec_esp.c 2002-10-02 17:22:42.000000000 +0000
+++ linux-m68k-2.5.x/drivers/scsi/dec_esp.c 2002-10-22 23:49:24.000000000 +0000
@@ -323,7 +323,7 @@ static int dma_bytes_sent(struct NCR_ESP
static void dma_drain(struct NCR_ESP *esp)
{
unsigned long nw = *scsi_scr;
- unsigned short *p = KSEG1ADDR((unsigned short *) ((*scsi_dma_ptr) >> 3));
+ unsigned short *p = (unsigned short *)KSEG1ADDR((*scsi_dma_ptr) >> 3);

/*
* Is there something in the dma buffers left?
@@ -437,8 +437,7 @@ static void dma_setup(struct NCR_ESP *es
*/
static void dma_mmu_get_scsi_one(struct NCR_ESP *esp, Scsi_Cmnd * sp)
{
- sp->SCp.have_data_in = PHYSADDR(sp->SCp.buffer);
- sp->SCp.ptr = (char *) ((unsigned long) sp->SCp.have_data_in);
+ sp->SCp.ptr = (char *)PHYSADDR(sp->SCp.buffer);
}

static void dma_mmu_get_scsi_sgl(struct NCR_ESP *esp, Scsi_Cmnd * sp)
@@ -484,8 +483,8 @@ static void pmaz_dma_init_write(struct N
{
volatile int *dmareg = (volatile int *) ( esp->slot + DEC_SCSI_DMAREG );

- memcpy((void *) (esp->slot + DEC_SCSI_SRAM + ESP_TGT_DMA_SIZE),
- KSEG0ADDR((void *) vaddress), length);
+ memcpy((void *)(esp->slot + DEC_SCSI_SRAM + ESP_TGT_DMA_SIZE),
+ (void *)KSEG0ADDR(vaddress), length);

*dmareg = TC_ESP_DMAR_WRITE |
TC_ESP_DMA_ADDR(esp->slot + DEC_SCSI_SRAM + ESP_TGT_DMA_SIZE);
@@ -516,7 +515,5 @@ static void pmaz_dma_setup(struct NCR_ES

static void pmaz_dma_mmu_get_scsi_one(struct NCR_ESP *esp, Scsi_Cmnd * sp)
{
- sp->SCp.have_data_in = (int) sp->SCp.ptr =
- (char *) KSEG0ADDR((sp->request_buffer));
+ sp->SCp.ptr = (char *)KSEG0ADDR((sp->request_buffer));
}
-
--- linux-2.5.x/drivers/scsi/oktagon_esp.c Thu Jun 27 02:59:32 2002
+++ linux-m68k-2.5.x/drivers/scsi/oktagon_esp.c Mon Nov 25 12:11:43 2002
@@ -548,7 +548,7 @@ static void dma_invalidate(struct NCR_ES

void dma_mmu_get_scsi_one(struct NCR_ESP *esp, Scsi_Cmnd *sp)
{
- sp->SCp.have_data_in = (int) sp->SCp.ptr =
+ sp->SCp.ptr =
sp->request_buffer;
}

Gr{oetje,eeting}s,
Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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