[PATCH v2 09/11] spi: pxa2xx: Extract pxa2xx_spi_platform_*() callbacks

From: Andy Shevchenko
Date: Thu May 30 2024 - 11:13:05 EST


In preparation of the extracting platform driver from spi-pxa2xx.c
split the probe and remove functions so we have bus independent
and platform device ones.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/spi/spi-pxa2xx.c | 52 +++++++++++++++++++++++++---------------
1 file changed, 33 insertions(+), 19 deletions(-)

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 3c03a8cd9ee6..74f242e652df 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1413,30 +1413,16 @@ static size_t pxa2xx_spi_max_dma_transfer_size(struct spi_device *spi)
return MAX_DMA_LEN;
}

-static int pxa2xx_spi_probe(struct platform_device *pdev)
+static int pxa2xx_spi_probe(struct device *dev, struct ssp_device *ssp)
{
- struct device *dev = &pdev->dev;
struct pxa2xx_spi_controller *platform_info;
struct spi_controller *controller;
struct driver_data *drv_data;
- struct ssp_device *ssp;
const struct lpss_config *config;
int status;
u32 tmp;

platform_info = dev_get_platdata(dev);
- if (!platform_info) {
- platform_info = pxa2xx_spi_init_pdata(pdev);
- if (IS_ERR(platform_info))
- return dev_err_probe(dev, PTR_ERR(platform_info), "missing platform data\n");
- }
-
- ssp = pxa2xx_spi_ssp_request(pdev);
- if (IS_ERR(ssp))
- return PTR_ERR(ssp);
- if (!ssp)
- ssp = &platform_info->ssp;
-
if (platform_info->is_target)
controller = devm_spi_alloc_target(dev, sizeof(*drv_data));
else
@@ -1628,9 +1614,8 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
return status;
}

-static void pxa2xx_spi_remove(struct platform_device *pdev)
+static void pxa2xx_spi_remove(struct device *dev)
{
- struct device *dev = &pdev->dev;
struct driver_data *drv_data = dev_get_drvdata(dev);
struct ssp_device *ssp = drv_data->ssp;

@@ -1708,6 +1693,35 @@ static const struct dev_pm_ops pxa2xx_spi_pm_ops = {
RUNTIME_PM_OPS(pxa2xx_spi_runtime_suspend, pxa2xx_spi_runtime_resume, NULL)
};

+static int pxa2xx_spi_platform_probe(struct platform_device *pdev)
+{
+ struct pxa2xx_spi_controller *platform_info;
+ struct device *dev = &pdev->dev;
+ struct ssp_device *ssp;
+
+ platform_info = dev_get_platdata(dev);
+ if (!platform_info) {
+ platform_info = pxa2xx_spi_init_pdata(pdev);
+ if (IS_ERR(platform_info))
+ return dev_err_probe(dev, PTR_ERR(platform_info), "missing platform data\n");
+
+ dev->platform_data = platform_info;
+ }
+
+ ssp = pxa2xx_spi_ssp_request(pdev);
+ if (IS_ERR(ssp))
+ return PTR_ERR(ssp);
+ if (!ssp)
+ ssp = &platform_info->ssp;
+
+ return pxa2xx_spi_probe(dev, ssp);
+}
+
+static void pxa2xx_spi_platform_remove(struct platform_device *pdev)
+{
+ pxa2xx_spi_remove(&pdev->dev);
+}
+
static const struct acpi_device_id pxa2xx_spi_acpi_match[] = {
{ "80860F0E" },
{ "8086228E" },
@@ -1732,8 +1746,8 @@ static struct platform_driver driver = {
.acpi_match_table = pxa2xx_spi_acpi_match,
.of_match_table = pxa2xx_spi_of_match,
},
- .probe = pxa2xx_spi_probe,
- .remove_new = pxa2xx_spi_remove,
+ .probe = pxa2xx_spi_platform_probe,
+ .remove_new = pxa2xx_spi_platform_remove,
};

static int __init pxa2xx_spi_init(void)
--
2.43.0.rc1.1336.g36b5255a03ac