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>

1 files changed, 0 insertions, 3 deletions

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;