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path: root/drivers/ata/pata_ixp4xx_cf.c
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Diffstat (limited to 'drivers/ata/pata_ixp4xx_cf.c')
-rw-r--r--drivers/ata/pata_ixp4xx_cf.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index e225913a619d..80f6a91acf6f 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/libata.h>
#include <linux/irq.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <scsi/scsi_host.h>
@@ -173,7 +174,7 @@ static unsigned int ixp4xx_mmio_data_xfer(struct ata_queued_cmd *qc,
return words << 1;
}
-static struct scsi_host_template ixp4xx_sht = {
+static const struct scsi_host_template ixp4xx_sht = {
ATA_PIO_SHT(DRV_NAME),
};
@@ -241,12 +242,6 @@ static int ixp4xx_pata_probe(struct platform_device *pdev)
int ret;
int irq;
- cmd = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ctl = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-
- if (!cmd || !ctl)
- return -EINVAL;
-
ixpp = devm_kzalloc(dev, sizeof(*ixpp), GFP_KERNEL);
if (!ixpp)
return -ENOMEM;
@@ -270,18 +265,18 @@ static int ixp4xx_pata_probe(struct platform_device *pdev)
if (ret)
return ret;
- ixpp->cmd = devm_ioremap_resource(dev, cmd);
- ixpp->ctl = devm_ioremap_resource(dev, ctl);
- if (IS_ERR(ixpp->cmd) || IS_ERR(ixpp->ctl))
- return -ENOMEM;
+ ixpp->cmd = devm_platform_get_and_ioremap_resource(pdev, 0, &cmd);
+ if (IS_ERR(ixpp->cmd))
+ return PTR_ERR(ixpp->cmd);
+
+ ixpp->ctl = devm_platform_get_and_ioremap_resource(pdev, 1, &ctl);
+ if (IS_ERR(ixpp->ctl))
+ return PTR_ERR(ixpp->ctl);
irq = platform_get_irq(pdev, 0);
- if (irq > 0)
- irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
- else if (irq < 0)
+ if (irq < 0)
return irq;
- else
- return -EINVAL;
+ irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
/* Just one port to set up */
ixp4xx_setup_port(ixpp->host->ports[0], ixpp, cmd->start, ctl->start);
@@ -295,6 +290,7 @@ static const struct of_device_id ixp4xx_pata_of_match[] = {
{ .compatible = "intel,ixp4xx-compact-flash", },
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, ixp4xx_pata_of_match);
static struct platform_driver ixp4xx_pata_platform_driver = {
.driver = {