[PATCH 2/2] pcmcia: at91_cf: remove platform data support

From: Alexandre Belloni
Date: Wed Sep 30 2020 - 14:48:29 EST


Board file support has been removed for at91rm9200 back in 2014, make the
CF driver DT only.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/pcmcia/Kconfig | 1 +
drivers/pcmcia/at91_cf.c | 38 ++++++++------------------------------
2 files changed, 9 insertions(+), 30 deletions(-)

diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index 82d10b6661c7..884023e88345 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -258,6 +258,7 @@ config OMAP_CF
config AT91_CF
tristate "AT91 CompactFlash Controller"
depends on PCI
+ depends on OF
depends on PCMCIA && ARCH_AT91
help
Say Y here to support the CompactFlash controller on AT91 chips.
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 1d59c7240a09..1fde1735df8c 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -220,16 +220,18 @@ static struct pccard_operations at91_cf_ops = {

/*--------------------------------------------------------------------------*/

-#if defined(CONFIG_OF)
static const struct of_device_id at91_cf_dt_ids[] = {
{ .compatible = "atmel,at91rm9200-cf" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, at91_cf_dt_ids);

-static int at91_cf_dt_init(struct platform_device *pdev)
+static int at91_cf_probe(struct platform_device *pdev)
{
- struct at91_cf_data *board;
+ struct at91_cf_socket *cf;
+ struct at91_cf_data *board;
+ struct resource *io;
+ int status;

board = devm_kzalloc(&pdev->dev, sizeof(*board), GFP_KERNEL);
if (!board)
@@ -240,33 +242,9 @@ static int at91_cf_dt_init(struct platform_device *pdev)
board->vcc_pin = of_get_gpio(pdev->dev.of_node, 2);
board->rst_pin = of_get_gpio(pdev->dev.of_node, 3);

- pdev->dev.platform_data = board;
-
mc = syscon_regmap_lookup_by_compatible("atmel,at91rm9200-sdramc");
-
- return PTR_ERR_OR_ZERO(mc);
-}
-#else
-static int at91_cf_dt_init(struct platform_device *pdev)
-{
- return -ENODEV;
-}
-#endif
-
-static int at91_cf_probe(struct platform_device *pdev)
-{
- struct at91_cf_socket *cf;
- struct at91_cf_data *board = pdev->dev.platform_data;
- struct resource *io;
- int status;
-
- if (!board) {
- status = at91_cf_dt_init(pdev);
- if (status)
- return status;
-
- board = pdev->dev.platform_data;
- }
+ if (IS_ERR(mc))
+ return PTR_ERR(mc);

if (!gpio_is_valid(board->det_pin) || !gpio_is_valid(board->rst_pin))
return -ENODEV;
@@ -410,7 +388,7 @@ static int at91_cf_resume(struct platform_device *pdev)
static struct platform_driver at91_cf_driver = {
.driver = {
.name = "at91_cf",
- .of_match_table = of_match_ptr(at91_cf_dt_ids),
+ .of_match_table = at91_cf_dt_ids,
},
.probe = at91_cf_probe,
.remove = at91_cf_remove,
--
2.26.2