spi: spi-pxa2xx: Remove unused legacy null dma buffer and allocation for it

Remove null_dma_buf variable and extra allocation for it. It is not needed
since commit 6356437e65c2 ("spi: spi-pxa2xx: remove legacy PXA DMA bits").

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

2 files changed, 1 insertions, 6 deletions

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 246ffabc72c9..fdd791977041 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1414,8 +1414,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-        /* Allocate master with space for drv_data and null dma buffer */
-        master = spi_alloc_master(dev, sizeof(struct driver_data) + 16);
+        master = spi_alloc_master(dev, sizeof(struct driver_data));
         if (!master) {
                 dev_err(&pdev->dev, "cannot alloc spi_master\n");
                 pxa_ssp_free(ssp);
@@ -1442,7 +1441,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
         master->auto_runtime_pm = true;
 
         drv_data->ssp_type = ssp->type;
-        drv_data->null_dma_buf = (u32 *)PTR_ALIGN(&drv_data[1], DMA_ALIGNMENT);
 
         drv_data->ioaddr = ssp->mmio_base;
         drv_data->ssdr_physical = ssp->phys_base + SSDR;
diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h
index 3b69c46bfbc9..0a9b6390a817 100644
--- a/drivers/spi/spi-pxa2xx.h
+++ b/drivers/spi/spi-pxa2xx.h
@@ -36,9 +36,6 @@ struct driver_data {
         /* PXA hookup */
         struct pxa2xx_spi_master *master_info;
 
-        /* PXA private DMA setup stuff */
-        u32 *null_dma_buf;
-
         /* SSP register addresses */
         void __iomem *ioaddr;
         u32 ssdr_physical;