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Fix an off-by-one error missed in the initial commit of this driver

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When the segment count is > 16 it spills into an 'indirect descriptor list',
which immediately follows the main table, but the indirect list is entry 15, so
needs to be skipped for the general list.
This commit is contained in:
Justin Hibbits 2017-11-05 22:09:59 +00:00
parent 93b09f581a
commit 78220c7be8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=325453
1 changed files with 3 additions and 2 deletions
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5
sys/powerpc/mpc85xx/fsl_sata.c
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@ -988,11 +988,12 @@ fsl_sata_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
prd[j].dba = FSL_SATA_CTP_BUS(ch, slot) +
FSL_SATA_PRD_OFFSET(j+1);
j++;
extlen = 0;
}
len = segs[i].ds_len;
len = roundup2(len, sizeof(uint32_t));
prd[i].dba = htole32((uint32_t)segs[i].ds_addr);
prd[i].dwc_flg = htole32(FSL_SATA_PRD_SNOOP | len);
prd[j].dba = htole32((uint32_t)segs[i].ds_addr);
prd[j].dwc_flg = htole32(FSL_SATA_PRD_SNOOP | len);
slot->ttl += len;
if (j > FSL_SATA_PRD_MAX_DIRECT)
extlen += len;