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

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Remove null_dma_buf variable and extra allocation for it. It is not needed
since commit 6356437e65 ("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>
This commit is contained in:
Jarkko Nikula 2015-08-05 10:04:05 +03:00 committed by Mark Brown
parent 94e5c23d3c
commit 757fe8d514
2 changed files with 1 additions and 6 deletions
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4
drivers/spi/spi-pxa2xx.c
View File

@ -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;

3
drivers/spi/spi-pxa2xx.h
View File

@ -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;