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libata: kill now unused n_iter and fix sata_fsl 

qc->n_iter was used for libata's own sg walking before sg chaining
replaced it.  During conversion, the field and its usage in sata_fsl
were left behind.  Kill the filed and update sata_fsl.

tj: This was part of James's libata-use-block-layer-padding patch.
    Separated out by me.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
wifi-calibration
James Bottomley 2008-02-05 14:06:27 +09:00 committed by Jeff Garzik
parent 837f5f8fb9
commit 37198e3051
2 changed files with 2 additions and 4 deletions
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4
drivers/ata/sata_fsl.c
View File

@ -355,8 +355,8 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc,
ata_port_printk(qc->ap, KERN_ERR,
"s/g len unaligned : 0x%x\n", sg_len);
if ((num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1)) &&
(qc->n_iter + 1 != qc->n_elem)) {
if (num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1) &&
sg_next(sg) != NULL) {
VPRINTK("setting indirect prde\n");
prd_ptr_to_indirect_ext = prd;
prd->dba = cpu_to_le32(indirect_ext_segment_paddr);

2
include/linux/libata.h
View File

@ -457,7 +457,6 @@ struct ata_queued_cmd {
unsigned long flags; /* ATA_QCFLAG_xxx */
unsigned int tag;
unsigned int n_elem;
unsigned int n_iter;
unsigned int mapped_n_elem;
int dma_dir;
@ -1367,7 +1366,6 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
qc->nbytes = qc->raw_nbytes = qc->curbytes = 0;
qc->n_elem = 0;
qc->mapped_n_elem = 0;
qc->n_iter = 0;
qc->err_mask = 0;
qc->pad_len = 0;
qc->last_sg = NULL;