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ata: libata: simplify qc_fill_rtf port operation interface 

The boolean return value of the qc_fill_rtf operation is used nowhere.
Simplify this operation interface by making it a void function. All
drivers defining this operation are also updated.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
This commit is contained in:
Damien Le Moal 2022-12-29 17:59:58 +01:00
parent 876293121f
commit 931139af57
9 changed files with 17 additions and 35 deletions
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6
drivers/ata/acard-ahci.c
View File

@ -57,7 +57,7 @@ struct acard_sg {
};
static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc);
static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static void acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static int acard_ahci_port_start(struct ata_port *ap);
static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
@ -248,7 +248,7 @@ static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc)
return AC_ERR_OK;
}
static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
static void acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
{
struct ahci_port_priv *pp = qc->ap->private_data;
u8 *rx_fis = pp->rx_fis;
@ -268,8 +268,6 @@ static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
qc->result_tf.status = (rx_fis + RX_FIS_PIO_SETUP)[15];
} else
ata_tf_from_fis(rx_fis + RX_FIS_D2H_REG, &qc->result_tf);
return true;
}
static int acard_ahci_port_start(struct ata_port *ap)

6
drivers/ata/libahci.c
View File

@ -55,7 +55,7 @@ static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state,
static int ahci_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static void ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static int ahci_port_start(struct ata_port *ap);
static void ahci_port_stop(struct ata_port *ap);
static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc);
@ -2053,7 +2053,7 @@ unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
}
EXPORT_SYMBOL_GPL(ahci_qc_issue);
static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
static void ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
{
struct ahci_port_priv *pp = qc->ap->private_data;
u8 *rx_fis = pp->rx_fis;
@ -2087,8 +2087,6 @@ static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
qc->result_tf.error = fis[3];
} else
ata_tf_from_fis(rx_fis + RX_FIS_D2H_REG, &qc->result_tf);
return true;
}
static void ahci_freeze(struct ata_port *ap)

6
drivers/ata/libata-sff.c
View File

@ -1377,14 +1377,10 @@ EXPORT_SYMBOL_GPL(ata_sff_qc_issue);
*
* LOCKING:
* spin_lock_irqsave(host lock)
*
* RETURNS:
* true indicating that result TF is successfully filled.
*/
bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc)
void ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc)
{
qc->ap->ops->sff_tf_read(qc->ap, &qc->result_tf);
return true;
}
EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf);

3
drivers/ata/sata_fsl.c
View File

@ -566,7 +566,7 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc)
return 0;
}
static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
static void sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
{
struct sata_fsl_port_priv *pp = qc->ap->private_data;
struct sata_fsl_host_priv *host_priv = qc->ap->host->private_data;
@ -577,7 +577,6 @@ static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
cd = pp->cmdentry + tag;
ata_tf_from_fis(cd->sfis, &qc->result_tf);
return true;
}
static int sata_fsl_scr_write(struct ata_link *link,

12
drivers/ata/sata_inic162x.c
View File

@ -566,7 +566,7 @@ static void inic_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
tf->status = readb(port_base + PORT_TF_COMMAND);
}
static bool inic_qc_fill_rtf(struct ata_queued_cmd *qc)
static void inic_qc_fill_rtf(struct ata_queued_cmd *qc)
{
struct ata_taskfile *rtf = &qc->result_tf;
struct ata_taskfile tf;
@ -580,12 +580,10 @@ static bool inic_qc_fill_rtf(struct ata_queued_cmd *qc)
*/
inic_tf_read(qc->ap, &tf);
if (!(tf.status & ATA_ERR))
return false;
rtf->status = tf.status;
rtf->error = tf.error;
return true;
if (tf.status & ATA_ERR) {
rtf->status = tf.status;
rtf->error = tf.error;
}
}
static void inic_freeze(struct ata_port *ap)

5
drivers/ata/sata_sil24.c
View File

@ -328,7 +328,7 @@ static int sil24_scr_write(struct ata_link *link, unsigned sc_reg, u32 val);
static int sil24_qc_defer(struct ata_queued_cmd *qc);
static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc);
static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc);
static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc);
static void sil24_qc_fill_rtf(struct ata_queued_cmd *qc);
static void sil24_pmp_attach(struct ata_port *ap);
static void sil24_pmp_detach(struct ata_port *ap);
static void sil24_freeze(struct ata_port *ap);
@ -901,10 +901,9 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
return 0;
}
static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc)
static void sil24_qc_fill_rtf(struct ata_queued_cmd *qc)
{
sil24_read_tf(qc->ap, qc->hw_tag, &qc->result_tf);
return true;
}
static void sil24_pmp_attach(struct ata_port *ap)

7
drivers/scsi/ipr.c
View File

@ -7142,11 +7142,8 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc)
/**
* ipr_qc_fill_rtf - Read result TF
* @qc: ATA queued command
*
* Return value:
* true
**/
static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc)
static void ipr_qc_fill_rtf(struct ata_queued_cmd *qc)
{
struct ipr_sata_port *sata_port = qc->ap->private_data;
struct ipr_ioasa_gata *g = &sata_port->ioasa;
@ -7163,8 +7160,6 @@ static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc)
tf->hob_lbal = g->hob_lbal;
tf->hob_lbam = g->hob_lbam;
tf->hob_lbah = g->hob_lbah;
return true;
}
static struct ata_port_operations ipr_sata_ops = {

3
drivers/scsi/libsas/sas_ata.c
View File

@ -226,12 +226,11 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
return ret;
}
static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc)
static void sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc)
{
struct domain_device *dev = qc->ap->private_data;
ata_tf_from_fis(dev->sata_dev.fis, &qc->result_tf);
return true;
}
static struct sas_internal *dev_to_sas_internal(struct domain_device *dev)

4
include/linux/libata.h
View File

@ -876,7 +876,7 @@ struct ata_port_operations {
int (*check_atapi_dma)(struct ata_queued_cmd *qc);
enum ata_completion_errors (*qc_prep)(struct ata_queued_cmd *qc);
unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
void (*qc_fill_rtf)(struct ata_queued_cmd *qc);
/*
* Configuration and exception handling
@ -1936,7 +1936,7 @@ extern void ata_sff_queue_delayed_work(struct delayed_work *dwork,
unsigned long delay);
extern void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay);
extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc);
extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);
extern void ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);
extern unsigned int ata_sff_port_intr(struct ata_port *ap,
struct ata_queued_cmd *qc);
extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance);