[PATCH v2 04/11] spi: pxa2xx: Remove hard coded number of chip select pins

Andy Shevchenko andriy.shevchenko at linux.intel.com
Thu May 30 08:10:00 PDT 2024


Remove hard coded number of chip select pins for Intel Braswell.
This comes via property.

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
---
 drivers/spi/spi-pxa2xx.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index b62a613378e0..53815aab41aa 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -99,7 +99,6 @@ struct lpss_config {
 	/* Chip select control */
 	unsigned cs_sel_shift;
 	unsigned cs_sel_mask;
-	unsigned cs_num;
 	/* Quirks */
 	unsigned cs_clk_stays_gated : 1;
 };
@@ -137,7 +136,6 @@ static const struct lpss_config lpss_platforms[] = {
 		.tx_threshold_hi = 224,
 		.cs_sel_shift = 2,
 		.cs_sel_mask = 1 << 2,
-		.cs_num = 2,
 	},
 	{	/* LPSS_SPT_SSP */
 		.offset = 0x200,
@@ -1594,8 +1592,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
 			tmp &= LPSS_CAPS_CS_EN_MASK;
 			tmp >>= LPSS_CAPS_CS_EN_SHIFT;
 			platform_info->num_chipselect = ffz(tmp);
-		} else if (config->cs_num) {
-			platform_info->num_chipselect = config->cs_num;
 		}
 	}
 	controller->num_chipselect = platform_info->num_chipselect;
-- 
2.43.0.rc1.1336.g36b5255a03ac




More information about the linux-arm-kernel mailing list