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[2/2] spi: spi-pxa2xx: Remove unused legacy null dma buffer and allocation for it

Message ID 1438598472-1145-2-git-send-email-jarkko.nikula@linux.intel.com (mailing list archive)
State Accepted
Commit 757fe8d514a9bab55156dfb2c4a03e56ba96a028
Headers show

Commit Message

Jarkko Nikula Aug. 3, 2015, 10:41 a.m. UTC 
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>
---
 drivers/spi/spi-pxa2xx.c | 4 +---
 drivers/spi/spi-pxa2xx.h | 3 ---
 2 files changed, 1 insertion(+), 6 deletions(-)
diff mbox

Patch

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index e924710e126c..97c323dda99e 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1413,8 +1413,7 @@  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);
@@ -1441,7 +1440,6 @@  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;