[linux-yocto] [PATCH 01/14] spi: spi-pxa2xx: Remove unused legacy null dma buffer and allocation for it
Weifeng Voon
weifeng.voon at intel.com
Thu Jun 16 01:25:38 PDT 2016
From: Jarkko Nikula <jarkko.nikula at linux.intel.com>
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 at linux.intel.com>
Signed-off-by: Mark Brown <broonie at kernel.org>
(cherry picked from commit 757fe8d514a9bab55156dfb2c4a03e56ba96a028)
Signed-off-by: Weifeng Voon <weifeng.voon at intel.com>
---
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 c304f64..ab9914a 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1467,8 +1467,7 @@ 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);
@@ -1494,7 +1493,6 @@ 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 077a9f7..8e781c8 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;
--
1.9.1
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