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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /drivers/spi/spi-pxa2xx-dma.c
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/spi/spi-pxa2xx-dma.c')
-rw-r--r--drivers/spi/spi-pxa2xx-dma.c38
1 files changed, 10 insertions, 28 deletions
diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c
index be563f0dd0..08cb6e96ac 100644
--- a/drivers/spi/spi-pxa2xx-dma.c
+++ b/drivers/spi/spi-pxa2xx-dma.c
@@ -6,17 +6,22 @@
* Author: Mika Westerberg <mika.westerberg@linux.intel.com>
*/
-#include <linux/device.h>
+#include <linux/atomic.h>
+#include <linux/dev_printk.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
+#include <linux/errno.h>
+#include <linux/irqreturn.h>
#include <linux/scatterlist.h>
-#include <linux/sizes.h>
+#include <linux/string.h>
+#include <linux/types.h>
-#include <linux/spi/pxa2xx_spi.h>
#include <linux/spi/spi.h>
#include "spi-pxa2xx.h"
+struct device;
+
static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data,
bool error)
{
@@ -63,8 +68,6 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data,
enum dma_transfer_direction dir,
struct spi_transfer *xfer)
{
- struct chip_data *chip =
- spi_get_ctldata(drv_data->controller->cur_msg->spi);
enum dma_slave_buswidth width;
struct dma_slave_config cfg;
struct dma_chan *chan;
@@ -89,14 +92,14 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data,
if (dir == DMA_MEM_TO_DEV) {
cfg.dst_addr = drv_data->ssp->phys_base + SSDR;
cfg.dst_addr_width = width;
- cfg.dst_maxburst = chip->dma_burst_size;
+ cfg.dst_maxburst = drv_data->controller_info->dma_burst_size;
sgt = &xfer->tx_sg;
chan = drv_data->controller->dma_tx;
} else {
cfg.src_addr = drv_data->ssp->phys_base + SSDR;
cfg.src_addr_width = width;
- cfg.src_maxburst = chip->dma_burst_size;
+ cfg.src_maxburst = drv_data->controller_info->dma_burst_size;
sgt = &xfer->rx_sg;
chan = drv_data->controller->dma_rx;
@@ -220,24 +223,3 @@ void pxa2xx_spi_dma_release(struct driver_data *drv_data)
controller->dma_tx = NULL;
}
}
-
-int pxa2xx_spi_set_dma_burst_and_threshold(struct chip_data *chip,
- struct spi_device *spi,
- u8 bits_per_word, u32 *burst_code,
- u32 *threshold)
-{
- struct pxa2xx_spi_chip *chip_info = spi->controller_data;
- struct driver_data *drv_data = spi_controller_get_devdata(spi->controller);
- u32 dma_burst_size = drv_data->controller_info->dma_burst_size;
-
- /*
- * If the DMA burst size is given in chip_info we use that,
- * otherwise we use the default. Also we use the default FIFO
- * thresholds for now.
- */
- *burst_code = chip_info ? chip_info->dma_burst_size : dma_burst_size;
- *threshold = SSCR1_RxTresh(RX_THRESH_DFLT)
- | SSCR1_TxTresh(TX_THRESH_DFLT);
-
- return 0;
-}