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 <[email protected]>
---
No changes, goes on top of 94e5c23d3c52 ("spi: pxa2xx: Add terminating entry
for pxa2xx_spi_pci_compound_match") in topic/pxa2xx.
---
 drivers/spi/spi-pxa2xx.c | 4 +---
 drivers/spi/spi-pxa2xx.h | 3 ---
 2 files changed, 1 insertion(+), 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;
-- 
2.4.6

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