ide: move command related fields from ide_hwif_t to struct ide_cmd
* Move command related fields from ide_hwif_t to struct ide_cmd.
* Make ide_init_sg_cmd() take command and sectors number as arguments.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index d3bd93a..249a707 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -209,7 +209,7 @@
{
ide_hwif_t *hwif = drive->hwif;
struct scatterlist *sg = hwif->sg_table;
- struct scatterlist *cursg = hwif->cursg;
+ struct scatterlist *cursg = cmd->cursg;
struct page *page;
#ifdef CONFIG_HIGHMEM
unsigned long flags;
@@ -217,14 +217,14 @@
unsigned int offset;
u8 *buf;
- cursg = hwif->cursg;
+ cursg = cmd->cursg;
if (!cursg) {
cursg = sg;
- hwif->cursg = sg;
+ cmd->cursg = sg;
}
page = sg_page(cursg);
- offset = cursg->offset + hwif->cursg_ofs * SECTOR_SIZE;
+ offset = cursg->offset + cmd->cursg_ofs * SECTOR_SIZE;
/* get the current page and offset */
page = nth_page(page, (offset >> PAGE_SHIFT));
@@ -235,12 +235,12 @@
#endif
buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset;
- hwif->nleft--;
- hwif->cursg_ofs++;
+ cmd->nleft--;
+ cmd->cursg_ofs++;
- if ((hwif->cursg_ofs * SECTOR_SIZE) == cursg->length) {
- hwif->cursg = sg_next(hwif->cursg);
- hwif->cursg_ofs = 0;
+ if ((cmd->cursg_ofs * SECTOR_SIZE) == cursg->length) {
+ cmd->cursg = sg_next(cmd->cursg);
+ cmd->cursg_ofs = 0;
}
/* do the actual data transfer */
@@ -260,7 +260,7 @@
{
unsigned int nsect;
- nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count);
+ nsect = min_t(unsigned int, cmd->nleft, drive->mult_count);
while (nsect--)
ide_pio_sector(drive, cmd, write);
}
@@ -295,19 +295,18 @@
const char *s, u8 stat)
{
if (cmd->tf_flags & IDE_TFLAG_FS) {
- ide_hwif_t *hwif = drive->hwif;
- int sectors = hwif->nsect - hwif->nleft;
+ int sectors = cmd->nsect - cmd->nleft;
switch (cmd->data_phase) {
case TASKFILE_IN:
- if (hwif->nleft)
+ if (cmd->nleft)
break;
/* fall through */
case TASKFILE_OUT:
sectors--;
break;
case TASKFILE_MULTI_IN:
- if (hwif->nleft)
+ if (cmd->nleft)
break;
/* fall through */
case TASKFILE_MULTI_OUT:
@@ -375,7 +374,7 @@
ide_pio_datablock(drive, cmd, 0);
/* Are we done? Check status and finish transfer. */
- if (!hwif->nleft) {
+ if (cmd->nleft == 0) {
stat = wait_drive_not_busy(drive);
if (!OK_STAT(stat, 0, BAD_STAT))
return task_error(drive, cmd, __func__, stat);
@@ -402,10 +401,10 @@
return task_error(drive, cmd, __func__, stat);
/* Deal with unexpected ATA data phase. */
- if (((stat & ATA_DRQ) == 0) ^ !hwif->nleft)
+ if (((stat & ATA_DRQ) == 0) ^ (cmd->nleft == 0))
return task_error(drive, cmd, __func__, stat);
- if (!hwif->nleft) {
+ if (cmd->nleft == 0) {
ide_finish_cmd(drive, cmd, stat);
return ide_stopped;
}