2024-05-30 15:12:13

by Andy Shevchenko

[permalink] [raw]
Subject: [PATCH v2 02/11] spi: pxa2xx: Reorganize the SSP type retrieval

The old Intel platforms, such as Intel Braswell, also provide
the property of SSP type. Reorganize the pxa2xx_spi_init_pdata()
to take that into account.

Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/spi/spi-pxa2xx.c | 25 +++++++++++--------------
1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 820a3702447a..f4dc113768cd 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1331,19 +1331,21 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
struct pxa2xx_spi_controller *pdata;
struct device *dev = &pdev->dev;
struct device *parent = dev->parent;
+ const void *match = device_get_match_data(dev);
enum pxa_ssp_type type = SSP_UNDEFINED;
- struct ssp_device *ssp = NULL;
- const void *match;
+ struct ssp_device *ssp;
bool is_lpss_priv;
u32 num_cs = 1;
int status;

- is_lpss_priv = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpss_priv");
-
- match = device_get_match_data(dev);
- if (match)
- type = (uintptr_t)match;
- else if (is_lpss_priv) {
+ ssp = pxa2xx_spi_ssp_request(pdev);
+ if (IS_ERR(ssp))
+ return ERR_CAST(ssp);
+ if (ssp) {
+ type = ssp->type;
+ } else if (match) {
+ type = (enum pxa_ssp_type)(uintptr_t)match;
+ } else {
u32 value;

status = device_property_read_u32(dev, "intel,spi-pxa2xx-type", &value);
@@ -1351,12 +1353,6 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
return ERR_PTR(status);

type = (enum pxa_ssp_type)value;
- } else {
- ssp = pxa2xx_spi_ssp_request(pdev);
- if (IS_ERR(ssp))
- return ERR_CAST(ssp);
- if (ssp)
- type = ssp->type;
}

/* Validate the SSP type correctness */
@@ -1368,6 +1364,7 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
return ERR_PTR(-ENOMEM);

/* Platforms with iDMA 64-bit */
+ is_lpss_priv = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpss_priv");
if (is_lpss_priv) {
pdata->tx_param = parent;
pdata->rx_param = parent;
--
2.43.0.rc1.1336.g36b5255a03ac