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pata: imx: set controller PIO mode with .set_piomode callback

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Convert .set_mode callback function to more specific .set_piomode,
the driver does not have support of DMA modes, thus a simpler version
of the callback is preferred.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Vladimir Zapolskiy 2016-11-09 02:56:36 +02:00 committed by Tejun Heo
parent 07b9733fda
commit 65a443ea54
1 changed files with 8 additions and 19 deletions
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27
drivers/ata/pata_imx.c
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@ -38,28 +38,17 @@ struct pata_imx_priv {
u32 ata_ctl;
};
static int pata_imx_set_mode(struct ata_link *link, struct ata_device **unused)
static void pata_imx_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
struct ata_device *dev;
struct ata_port *ap = link->ap;
struct pata_imx_priv *priv = ap->host->private_data;
u32 val;
ata_for_each_dev(dev, link, ENABLED) {
dev->pio_mode = dev->xfer_mode = XFER_PIO_0;
dev->xfer_shift = ATA_SHIFT_PIO;
dev->flags |= ATA_DFLAG_PIO;
val = __raw_readl(priv->host_regs + PATA_IMX_ATA_CONTROL);
if (ata_pio_need_iordy(dev))
val |= PATA_IMX_ATA_CTRL_IORDY_EN;
else
val &= ~PATA_IMX_ATA_CTRL_IORDY_EN;
__raw_writel(val, priv->host_regs + PATA_IMX_ATA_CONTROL);
ata_dev_info(dev, "configured for PIO\n");
}
return 0;
val = __raw_readl(priv->host_regs + PATA_IMX_ATA_CONTROL);
if (ata_pio_need_iordy(adev))
val |= PATA_IMX_ATA_CTRL_IORDY_EN;
else
val &= ~PATA_IMX_ATA_CTRL_IORDY_EN;
__raw_writel(val, priv->host_regs + PATA_IMX_ATA_CONTROL);
}
static struct scsi_host_template pata_imx_sht = {
@ -70,7 +59,7 @@ static struct ata_port_operations pata_imx_port_ops = {
.inherits = &ata_sff_port_ops,
.sff_data_xfer = ata_sff_data_xfer_noirq,
.cable_detect = ata_cable_unknown,
.set_mode = pata_imx_set_mode,
.set_piomode = pata_imx_set_piomode,
};
static void pata_imx_setup_port(struct ata_ioports *ioaddr)