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ata: pass queued command to ->sff_data_xfer method

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For Atari Falcon PATA support we need to check the current command
in its ->sff_data_xfer method.  Update core code and all users
accordingly.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2016-12-30 15:01:17 +01:00 committed by Tejun Heo
parent 7563f62546
commit 989e0aac1a
11 changed files with 52 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/ata/libata-sff.c
View File

@ -542,7 +542,7 @@ static inline void ata_tf_to_host(struct ata_port *ap,
/**
* ata_sff_data_xfer - Transfer data by PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
@ -555,10 +555,10 @@ static inline void ata_tf_to_host(struct ata_port *ap,
* RETURNS:
* Bytes consumed.
*/
unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf,
unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1;
@ -595,7 +595,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
/**
* ata_sff_data_xfer32 - Transfer data by PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
@ -610,16 +610,17 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
* Bytes consumed.
*/
unsigned int ata_sff_data_xfer32(struct ata_device *dev, unsigned char *buf,
unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_device *dev = qc->dev;
struct ata_port *ap = dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 2;
int slop = buflen & 3;
if (!(ap->pflags & ATA_PFLAG_PIO32))
return ata_sff_data_xfer(dev, buf, buflen, rw);
return ata_sff_data_xfer(qc, buf, buflen, rw);
/* Transfer multiple of 4 bytes */
if (rw == READ)
@ -658,7 +659,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
/**
* ata_sff_data_xfer_noirq - Transfer data by PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
@ -672,14 +673,14 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
* RETURNS:
* Bytes consumed.
*/
unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf,
unsigned int ata_sff_data_xfer_noirq(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw)
{
unsigned long flags;
unsigned int consumed;
local_irq_save(flags);
consumed = ata_sff_data_xfer32(dev, buf, buflen, rw);
consumed = ata_sff_data_xfer32(qc, buf, buflen, rw);
local_irq_restore(flags);
return consumed;
@ -723,14 +724,14 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
buf = kmap_atomic(page);
/* do the actual data transfer */
ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size,
do_write);
kunmap_atomic(buf);
local_irq_restore(flags);
} else {
buf = page_address(page);
ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size,
do_write);
}
@ -791,7 +792,7 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
DPRINTK("send cdb\n");
WARN_ON_ONCE(qc->dev->cdb_len < 12);
ap->ops->sff_data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1);
ap->ops->sff_data_xfer(qc, qc->cdb, qc->dev->cdb_len, 1);
ata_sff_sync(ap);
/* FIXME: If the CDB is for DMA do we need to do the transition delay
or is bmdma_start guaranteed to do it ? */
@ -868,14 +869,14 @@ next_sg:
buf = kmap_atomic(page);
/* do the actual data transfer */
consumed = ap->ops->sff_data_xfer(dev, buf + offset,
consumed = ap->ops->sff_data_xfer(qc, buf + offset,
count, rw);
kunmap_atomic(buf);
local_irq_restore(flags);
} else {
buf = page_address(page);
consumed = ap->ops->sff_data_xfer(dev, buf + offset,
consumed = ap->ops->sff_data_xfer(qc, buf + offset,
count, rw);
}

6
drivers/ata/pata_at91.c
View File

@ -286,10 +286,10 @@ static void pata_at91_set_piomode(struct ata_port *ap, struct ata_device *adev)
set_smc_timing(ap->dev, adev, info, &timing);
}
static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev,
static unsigned int pata_at91_data_xfer_noirq(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
struct at91_ide_info *info = dev->link->ap->host->private_data;
struct at91_ide_info *info = qc->dev->link->ap->host->private_data;
unsigned int consumed;
unsigned int mode;
unsigned long flags;
@ -301,7 +301,7 @@ static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev,
regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) |
AT91_SMC_DBW_16);
consumed = ata_sff_data_xfer(dev, buf, buflen, rw);
consumed = ata_sff_data_xfer(qc, buf, buflen, rw);
/* restore 8bit mode after data is written */
regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) |

7
drivers/ata/pata_bf54x.c
View File

@ -1143,7 +1143,7 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
/**
* bfin_data_xfer - Transfer data by PIO
* @adev: device for this I/O
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @write_data: read/write
@ -1151,10 +1151,11 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
* Note: Original code is ata_sff_data_xfer().
*/
static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf,
static unsigned int bfin_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
unsigned int words = buflen >> 1;
unsigned short *buf16 = (u16 *)buf;

4
drivers/ata/pata_ep93xx.c
View File

@ -474,11 +474,11 @@ static void ep93xx_pata_set_devctl(struct ata_port *ap, u8 ctl)
}
/* Note: original code is ata_sff_data_xfer */
static unsigned int ep93xx_pata_data_xfer(struct ata_device *adev,
static unsigned int ep93xx_pata_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = adev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
struct ep93xx_pata_data *drv_data = ap->host->private_data;
u16 *data = (u16 *)buf;
unsigned int words = buflen >> 1;

4
drivers/ata/pata_ixp4xx_cf.c
View File

@ -40,13 +40,13 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
return 0;
}
static unsigned int ixp4xx_mmio_data_xfer(struct ata_device *dev,
static unsigned int ixp4xx_mmio_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
unsigned int i;
unsigned int words = buflen >> 1;
u16 *buf16 = (u16 *) buf;
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *mmio = ap->ioaddr.data_addr;
struct ixp4xx_pata_data *data = dev_get_platdata(ap->host->dev);

15
drivers/ata/pata_legacy.c
View File

@ -303,11 +303,12 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev)
}
static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
static unsigned int pdc_data_xfer_vlb(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
int slop = buflen & 3;
struct ata_device *dev = qc->dev;
struct ata_port *ap = dev->link->ap;
int slop = buflen & 3;
/* 32bit I/O capable *and* we need to write a whole number of dwords */
if (ata_id_has_dword_io(dev->id) && (slop == 0 || slop == 3)
@ -340,7 +341,7 @@ static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
}
local_irq_restore(flags);
} else
buflen = ata_sff_data_xfer_noirq(dev, buf, buflen, rw);
buflen = ata_sff_data_xfer_noirq(qc, buf, buflen, rw);
return buflen;
}
@ -702,9 +703,11 @@ static unsigned int qdi_qc_issue(struct ata_queued_cmd *qc)
return ata_sff_qc_issue(qc);
}
static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int rw)
static unsigned int vlb32_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_device *adev = qc->dev;
struct ata_port *ap = adev->link->ap;
int slop = buflen & 3;
@ -727,7 +730,7 @@ static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
}
return (buflen + 3) & ~3;
} else
return ata_sff_data_xfer(adev, buf, buflen, rw);
return ata_sff_data_xfer(qc, buf, buflen, rw);
}
static int qdi_port(struct platform_device *dev,

12
drivers/ata/pata_octeon_cf.c
View File

@ -293,17 +293,17 @@ static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev)
/**
* Handle an 8 bit I/O request.
*
* @dev: Device to access
* @qc: Queued command
* @buffer: Data buffer
* @buflen: Length of the buffer.
* @rw: True to write.
*/
static unsigned int octeon_cf_data_xfer8(struct ata_device *dev,
static unsigned int octeon_cf_data_xfer8(struct ata_queued_cmd *qc,
unsigned char *buffer,
unsigned int buflen,
int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned long words;
int count;
@ -332,17 +332,17 @@ static unsigned int octeon_cf_data_xfer8(struct ata_device *dev,
/**
* Handle a 16 bit I/O request.
*
* @dev: Device to access
* @qc: Queued command
* @buffer: Data buffer
* @buflen: Length of the buffer.
* @rw: True to write.
*/
static unsigned int octeon_cf_data_xfer16(struct ata_device *dev,
static unsigned int octeon_cf_data_xfer16(struct ata_queued_cmd *qc,
unsigned char *buffer,
unsigned int buflen,
int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned long words;
int count;

6
drivers/ata/pata_pcmcia.c
View File

@ -90,7 +90,7 @@ static int pcmcia_set_mode_8bit(struct ata_link *link,
/**
* ata_data_xfer_8bit - Transfer data by 8bit PIO
* @dev: device to target
* @qc: queued command
* @buf: data buffer
* @buflen: buffer length
* @rw: read/write
@ -101,10 +101,10 @@ static int pcmcia_set_mode_8bit(struct ata_link *link,
* Inherited from caller.
*/
static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
static unsigned int ata_data_xfer_8bit(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
if (rw == READ)
ioread8_rep(ap->ioaddr.data_addr, buf, buflen);

4
drivers/ata/pata_samsung_cf.c
View File

@ -263,10 +263,10 @@ static u8 pata_s3c_check_altstatus(struct ata_port *ap)
/*
* pata_s3c_data_xfer - Transfer data by PIO
*/
static unsigned int pata_s3c_data_xfer(struct ata_device *dev,
static unsigned int pata_s3c_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
struct s3c_ide_info *info = ap->host->private_data;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1, i;

4
drivers/ata/sata_rcar.c
View File

@ -447,11 +447,11 @@ static void sata_rcar_exec_command(struct ata_port *ap,
ata_sff_pause(ap);
}
static unsigned int sata_rcar_data_xfer(struct ata_device *dev,
static unsigned int sata_rcar_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw)
{
struct ata_port *ap = dev->link->ap;
struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1;

8
include/linux/libata.h
View File

@ -968,7 +968,7 @@ struct ata_port_operations {
void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
void (*sff_exec_command)(struct ata_port *ap,
const struct ata_taskfile *tf);
unsigned int (*sff_data_xfer)(struct ata_device *dev,
unsigned int (*sff_data_xfer)(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
void (*sff_irq_on)(struct ata_port *);
bool (*sff_irq_check)(struct ata_port *);
@ -1823,11 +1823,11 @@ extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
extern void ata_sff_exec_command(struct ata_port *ap,
const struct ata_taskfile *tf);
extern unsigned int ata_sff_data_xfer(struct ata_device *dev,
extern unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
extern unsigned int ata_sff_data_xfer32(struct ata_device *dev,
extern unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev,
extern unsigned int ata_sff_data_xfer_noirq(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw);
extern void ata_sff_irq_on(struct ata_port *ap);
extern void ata_sff_irq_clear(struct ata_port *ap);