Hi Michael,
On Tue, Jul 2, 2019 at 12:02 AM Michael Schmitz <schmitzmic@xxxxxxxxx> wrote:
The Atari platform device setup now provides a platform device
for the Falcon IDE interface. Use this in place of the simple platform
device set up in the old pata_falcon probe code.
Signed-off-by: Michael Schmitz <schmitzmic@xxxxxxxxx>
Thanks for your patch!
--- a/drivers/ata/pata_falcon.c
+++ b/drivers/ata/pata_falcon.c
@@ -120,23 +120,21 @@ static int pata_falcon_set_mode(struct ata_link *link,
.set_mode = pata_falcon_set_mode,
};
-static int pata_falcon_init_one(void)
+static int __init pata_falcon_init_one(struct platform_device *pdev)
{
+ struct resource *res;
struct ata_host *host;
struct ata_port *ap;
- struct platform_device *pdev;
void __iomem *base;
- if (!MACH_IS_ATARI || !ATARIHW_PRESENT(IDE))
- return -ENODEV;
-
- pr_info(DRV_NAME ": Atari Falcon PATA controller\n");
+ dev_info(&pdev->dev, ": Atari Falcon PATA controller\n");
- pdev = platform_device_register_simple(DRV_NAME, 0, NULL, 0);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
- if (!devm_request_mem_region(&pdev->dev, ATA_HD_BASE, 0x40, DRV_NAME)) {
ATA_HD_BASE is now unused, and can be removed.
+ if (!devm_request_mem_region(&pdev->dev, res->start,
+ resource_size(res), DRV_NAME)) {
pr_err(DRV_NAME ": resources busy\n");
dev_err(&pdev->dev, "resources busy\n");
return -EBUSY;
}
@@ -174,9 +172,26 @@ static int pata_falcon_init_one(void)
return ata_host_activate(host, 0, NULL, 0, &pata_falcon_sht);
}
-module_init(pata_falcon_init_one);
+static int __exit pata_falcon_remove_one(struct platform_device *pdev)
+{
+ struct ata_host *host = platform_get_drvdata(pdev);
+
+ ata_host_detach(host);
+
+ return 0;
+}
+
+static struct platform_driver pata_falcon_driver = {
+ .remove = __exit_p(pata_falcon_remove_one),
+ .driver = {
+ .name = "atari-falcon-ide",
+ },
+};
+
+module_platform_driver_probe(pata_falcon_driver, pata_falcon_init_one);
This doesn't seem to work in the builtin case (e.g. atari_defconfig with
ide replaced by ata): no hard drives are detected.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
