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path: root/drivers/ata/pata_rb532_cf.c
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Diffstat (limited to 'drivers/ata/pata_rb532_cf.c')
-rw-r--r--drivers/ata/pata_rb532_cf.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index 66bb5bff126b..fd81e75c9402 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* A low-level PATA driver to handle a Compact Flash connected on the
* Mikrotik's RouterBoard 532 board.
@@ -12,11 +13,6 @@
* Also was based on the driver for Linux 2.4.xx published by Mikrotik for
* their RouterBoard 1xx and 5xx series devices. The original Mikrotik code
* seems not to have a license.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/gfp.h>
@@ -77,7 +73,7 @@ static struct ata_port_operations rb532_pata_port_ops = {
/* ------------------------------------------------------------------------ */
-static struct scsi_host_template rb532_pata_sht = {
+static const struct scsi_host_template rb532_pata_sht = {
ATA_PIO_SHT(DRV_NAME),
};
@@ -119,10 +115,10 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
- dev_err(&pdev->dev, "no IRQ resource found\n");
- return -ENOENT;
- }
+ if (irq < 0)
+ return irq;
+ if (!irq)
+ return -EINVAL;
gpiod = devm_gpiod_get(&pdev->dev, NULL, GPIOD_IN);
if (IS_ERR(gpiod)) {
@@ -144,7 +140,7 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
info->gpio_line = gpiod;
info->irq = irq;
- info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
+ info->iobase = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (!info->iobase)
return -ENOMEM;
@@ -159,14 +155,11 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
return 0;
}
-static int rb532_pata_driver_remove(struct platform_device *pdev)
+static void rb532_pata_driver_remove(struct platform_device *pdev)
{
struct ata_host *ah = platform_get_drvdata(pdev);
- struct rb532_cf_info *info = ah->private_data;
ata_host_detach(ah);
-
- return 0;
}
static struct platform_driver rb532_pata_platform_driver = {