mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 00:10:09 +00:00
spi: rspi: Replace spi_master by spi_controller
As of commit 8caab75fd2 ('spi: Generalize SPI "master" to
"controller"'), the old master-centric names are compatibility wrappers
for the new controller-centric names.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Geert Uytterhoeven
Mark Brown
parent
2e5c888873
commit
9428a073eb
1 changed files with 85 additions and 85 deletions
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@ -180,7 +180,7 @@
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struct rspi_data {
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void __iomem *addr;
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u32 max_speed_hz;
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struct spi_master *master;
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struct spi_controller *ctlr;
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wait_queue_head_t wait;
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struct clk *clk;
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u16 spcmd;
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@ -237,8 +237,8 @@ static u16 rspi_read_data(const struct rspi_data *rspi)
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/* optional functions */
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struct spi_ops {
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int (*set_config_register)(struct rspi_data *rspi, int access_size);
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int (*transfer_one)(struct spi_master *master, struct spi_device *spi,
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struct spi_transfer *xfer);
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int (*transfer_one)(struct spi_controller *ctlr,
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struct spi_device *spi, struct spi_transfer *xfer);
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u16 mode_bits;
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u16 flags;
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u16 fifo_size;
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@ -466,7 +466,7 @@ static int rspi_data_out(struct rspi_data *rspi, u8 data)
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{
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int error = rspi_wait_for_tx_empty(rspi);
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if (error < 0) {
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dev_err(&rspi->master->dev, "transmit timeout\n");
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dev_err(&rspi->ctlr->dev, "transmit timeout\n");
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return error;
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}
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rspi_write_data(rspi, data);
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@ -480,7 +480,7 @@ static int rspi_data_in(struct rspi_data *rspi)
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error = rspi_wait_for_rx_full(rspi);
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if (error < 0) {
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dev_err(&rspi->master->dev, "receive timeout\n");
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dev_err(&rspi->ctlr->dev, "receive timeout\n");
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return error;
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}
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data = rspi_read_data(rspi);
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@ -526,8 +526,8 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
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/* First prepare and submit the DMA request(s), as this may fail */
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if (rx) {
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desc_rx = dmaengine_prep_slave_sg(rspi->master->dma_rx,
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rx->sgl, rx->nents, DMA_DEV_TO_MEM,
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desc_rx = dmaengine_prep_slave_sg(rspi->ctlr->dma_rx, rx->sgl,
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rx->nents, DMA_DEV_TO_MEM,
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DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
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if (!desc_rx) {
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ret = -EAGAIN;
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@ -546,8 +546,8 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
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}
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if (tx) {
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desc_tx = dmaengine_prep_slave_sg(rspi->master->dma_tx,
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tx->sgl, tx->nents, DMA_MEM_TO_DEV,
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desc_tx = dmaengine_prep_slave_sg(rspi->ctlr->dma_tx, tx->sgl,
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tx->nents, DMA_MEM_TO_DEV,
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DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
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if (!desc_tx) {
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ret = -EAGAIN;
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@ -584,9 +584,9 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
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/* Now start DMA */
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if (rx)
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dma_async_issue_pending(rspi->master->dma_rx);
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dma_async_issue_pending(rspi->ctlr->dma_rx);
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if (tx)
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dma_async_issue_pending(rspi->master->dma_tx);
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dma_async_issue_pending(rspi->ctlr->dma_tx);
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ret = wait_event_interruptible_timeout(rspi->wait,
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rspi->dma_callbacked, HZ);
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@ -594,13 +594,13 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
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ret = 0;
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} else {
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if (!ret) {
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dev_err(&rspi->master->dev, "DMA timeout\n");
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dev_err(&rspi->ctlr->dev, "DMA timeout\n");
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ret = -ETIMEDOUT;
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}
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if (tx)
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dmaengine_terminate_all(rspi->master->dma_tx);
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dmaengine_terminate_all(rspi->ctlr->dma_tx);
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if (rx)
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dmaengine_terminate_all(rspi->master->dma_rx);
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dmaengine_terminate_all(rspi->ctlr->dma_rx);
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}
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rspi_disable_irq(rspi, irq_mask);
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@ -614,12 +614,12 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
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no_dma_tx:
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if (rx)
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dmaengine_terminate_all(rspi->master->dma_rx);
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dmaengine_terminate_all(rspi->ctlr->dma_rx);
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no_dma_rx:
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if (ret == -EAGAIN) {
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pr_warn_once("%s %s: DMA not available, falling back to PIO\n",
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dev_driver_string(&rspi->master->dev),
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dev_name(&rspi->master->dev));
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dev_driver_string(&rspi->ctlr->dev),
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dev_name(&rspi->ctlr->dev));
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}
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return ret;
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}
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@ -660,10 +660,10 @@ static bool __rspi_can_dma(const struct rspi_data *rspi,
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return xfer->len > rspi->ops->fifo_size;
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}
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static bool rspi_can_dma(struct spi_master *master, struct spi_device *spi,
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static bool rspi_can_dma(struct spi_controller *ctlr, struct spi_device *spi,
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struct spi_transfer *xfer)
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{
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struct rspi_data *rspi = spi_master_get_devdata(master);
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struct rspi_data *rspi = spi_controller_get_devdata(ctlr);
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return __rspi_can_dma(rspi, xfer);
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}
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@ -671,7 +671,7 @@ static bool rspi_can_dma(struct spi_master *master, struct spi_device *spi,
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static int rspi_dma_check_then_transfer(struct rspi_data *rspi,
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struct spi_transfer *xfer)
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{
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if (!rspi->master->can_dma || !__rspi_can_dma(rspi, xfer))
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if (!rspi->ctlr->can_dma || !__rspi_can_dma(rspi, xfer))
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return -EAGAIN;
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/* rx_buf can be NULL on RSPI on SH in TX-only Mode */
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@ -698,10 +698,10 @@ static int rspi_common_transfer(struct rspi_data *rspi,
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return 0;
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}
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static int rspi_transfer_one(struct spi_master *master, struct spi_device *spi,
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struct spi_transfer *xfer)
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static int rspi_transfer_one(struct spi_controller *ctlr,
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struct spi_device *spi, struct spi_transfer *xfer)
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{
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struct rspi_data *rspi = spi_master_get_devdata(master);
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struct rspi_data *rspi = spi_controller_get_devdata(ctlr);
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u8 spcr;
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spcr = rspi_read8(rspi, RSPI_SPCR);
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@ -716,11 +716,11 @@ static int rspi_transfer_one(struct spi_master *master, struct spi_device *spi,
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return rspi_common_transfer(rspi, xfer);
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}
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static int rspi_rz_transfer_one(struct spi_master *master,
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static int rspi_rz_transfer_one(struct spi_controller *ctlr,
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struct spi_device *spi,
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struct spi_transfer *xfer)
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{
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struct rspi_data *rspi = spi_master_get_devdata(master);
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struct rspi_data *rspi = spi_controller_get_devdata(ctlr);
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rspi_rz_receive_init(rspi);
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@ -739,7 +739,7 @@ static int qspi_trigger_transfer_out_in(struct rspi_data *rspi, const u8 *tx,
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if (n == QSPI_BUFFER_SIZE) {
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ret = rspi_wait_for_tx_empty(rspi);
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if (ret < 0) {
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dev_err(&rspi->master->dev, "transmit timeout\n");
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dev_err(&rspi->ctlr->dev, "transmit timeout\n");
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return ret;
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}
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for (i = 0; i < n; i++)
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@ -747,7 +747,7 @@ static int qspi_trigger_transfer_out_in(struct rspi_data *rspi, const u8 *tx,
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ret = rspi_wait_for_rx_full(rspi);
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if (ret < 0) {
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dev_err(&rspi->master->dev, "receive timeout\n");
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dev_err(&rspi->ctlr->dev, "receive timeout\n");
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return ret;
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}
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for (i = 0; i < n; i++)
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@ -785,7 +785,7 @@ static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer)
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unsigned int i, len;
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int ret;
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if (rspi->master->can_dma && __rspi_can_dma(rspi, xfer)) {
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if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {
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ret = rspi_dma_transfer(rspi, &xfer->tx_sg, NULL);
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if (ret != -EAGAIN)
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return ret;
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@ -796,7 +796,7 @@ static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer)
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if (len == QSPI_BUFFER_SIZE) {
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ret = rspi_wait_for_tx_empty(rspi);
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if (ret < 0) {
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dev_err(&rspi->master->dev, "transmit timeout\n");
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dev_err(&rspi->ctlr->dev, "transmit timeout\n");
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return ret;
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}
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for (i = 0; i < len; i++)
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@ -822,7 +822,7 @@ static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)
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unsigned int i, len;
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int ret;
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if (rspi->master->can_dma && __rspi_can_dma(rspi, xfer)) {
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if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {
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int ret = rspi_dma_transfer(rspi, NULL, &xfer->rx_sg);
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if (ret != -EAGAIN)
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return ret;
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@ -833,7 +833,7 @@ static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)
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if (len == QSPI_BUFFER_SIZE) {
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ret = rspi_wait_for_rx_full(rspi);
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if (ret < 0) {
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dev_err(&rspi->master->dev, "receive timeout\n");
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dev_err(&rspi->ctlr->dev, "receive timeout\n");
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return ret;
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}
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for (i = 0; i < len; i++)
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@ -849,10 +849,10 @@ static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)
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return 0;
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}
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static int qspi_transfer_one(struct spi_master *master, struct spi_device *spi,
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struct spi_transfer *xfer)
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static int qspi_transfer_one(struct spi_controller *ctlr,
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struct spi_device *spi, struct spi_transfer *xfer)
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{
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struct rspi_data *rspi = spi_master_get_devdata(master);
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struct rspi_data *rspi = spi_controller_get_devdata(ctlr);
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if (spi->mode & SPI_LOOP) {
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return qspi_transfer_out_in(rspi, xfer);
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@ -870,7 +870,7 @@ static int qspi_transfer_one(struct spi_master *master, struct spi_device *spi,
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static int rspi_setup(struct spi_device *spi)
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{
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struct rspi_data *rspi = spi_master_get_devdata(spi->master);
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struct rspi_data *rspi = spi_controller_get_devdata(spi->controller);
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rspi->max_speed_hz = spi->max_speed_hz;
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@ -955,10 +955,10 @@ static int qspi_setup_sequencer(struct rspi_data *rspi,
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return 0;
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}
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static int rspi_prepare_message(struct spi_master *master,
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static int rspi_prepare_message(struct spi_controller *ctlr,
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struct spi_message *msg)
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{
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struct rspi_data *rspi = spi_master_get_devdata(master);
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struct rspi_data *rspi = spi_controller_get_devdata(ctlr);
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int ret;
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if (msg->spi->mode &
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@ -974,10 +974,10 @@ static int rspi_prepare_message(struct spi_master *master,
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return 0;
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}
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static int rspi_unprepare_message(struct spi_master *master,
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static int rspi_unprepare_message(struct spi_controller *ctlr,
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struct spi_message *msg)
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{
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struct rspi_data *rspi = spi_master_get_devdata(master);
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struct rspi_data *rspi = spi_controller_get_devdata(ctlr);
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/* Disable SPI function */
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rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_SPE, RSPI_SPCR);
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@ -1081,7 +1081,7 @@ static struct dma_chan *rspi_request_dma_chan(struct device *dev,
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return chan;
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}
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static int rspi_request_dma(struct device *dev, struct spi_master *master,
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static int rspi_request_dma(struct device *dev, struct spi_controller *ctlr,
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const struct resource *res)
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{
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const struct rspi_plat_data *rspi_pd = dev_get_platdata(dev);
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@ -1099,37 +1099,37 @@ static int rspi_request_dma(struct device *dev, struct spi_master *master,
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return 0;
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}
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master->dma_tx = rspi_request_dma_chan(dev, DMA_MEM_TO_DEV, dma_tx_id,
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res->start + RSPI_SPDR);
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if (!master->dma_tx)
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ctlr->dma_tx = rspi_request_dma_chan(dev, DMA_MEM_TO_DEV, dma_tx_id,
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res->start + RSPI_SPDR);
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if (!ctlr->dma_tx)
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return -ENODEV;
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master->dma_rx = rspi_request_dma_chan(dev, DMA_DEV_TO_MEM, dma_rx_id,
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res->start + RSPI_SPDR);
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if (!master->dma_rx) {
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dma_release_channel(master->dma_tx);
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master->dma_tx = NULL;
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ctlr->dma_rx = rspi_request_dma_chan(dev, DMA_DEV_TO_MEM, dma_rx_id,
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res->start + RSPI_SPDR);
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if (!ctlr->dma_rx) {
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dma_release_channel(ctlr->dma_tx);
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ctlr->dma_tx = NULL;
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return -ENODEV;
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}
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master->can_dma = rspi_can_dma;
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ctlr->can_dma = rspi_can_dma;
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dev_info(dev, "DMA available");
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return 0;
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}
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static void rspi_release_dma(struct spi_master *master)
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static void rspi_release_dma(struct spi_controller *ctlr)
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{
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if (master->dma_tx)
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dma_release_channel(master->dma_tx);
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if (master->dma_rx)
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dma_release_channel(master->dma_rx);
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if (ctlr->dma_tx)
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dma_release_channel(ctlr->dma_tx);
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if (ctlr->dma_rx)
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dma_release_channel(ctlr->dma_rx);
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}
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static int rspi_remove(struct platform_device *pdev)
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{
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struct rspi_data *rspi = platform_get_drvdata(pdev);
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rspi_release_dma(rspi->master);
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rspi_release_dma(rspi->ctlr);
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pm_runtime_disable(&pdev->dev);
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return 0;
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@ -1139,7 +1139,7 @@ static const struct spi_ops rspi_ops = {
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.set_config_register = rspi_set_config_register,
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.transfer_one = rspi_transfer_one,
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.mode_bits = SPI_CPHA | SPI_CPOL | SPI_LOOP,
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.flags = SPI_MASTER_MUST_TX,
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.flags = SPI_CONTROLLER_MUST_TX,
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.fifo_size = 8,
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};
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@ -1147,7 +1147,7 @@ static const struct spi_ops rspi_rz_ops = {
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.set_config_register = rspi_rz_set_config_register,
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.transfer_one = rspi_rz_transfer_one,
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.mode_bits = SPI_CPHA | SPI_CPOL | SPI_LOOP,
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.flags = SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX,
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.flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX,
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.fifo_size = 8, /* 8 for TX, 32 for RX */
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};
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@ -1157,7 +1157,7 @@ static const struct spi_ops qspi_ops = {
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.mode_bits = SPI_CPHA | SPI_CPOL | SPI_LOOP |
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SPI_TX_DUAL | SPI_TX_QUAD |
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SPI_RX_DUAL | SPI_RX_QUAD,
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.flags = SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX,
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.flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX,
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.fifo_size = 32,
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};
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@ -1174,7 +1174,7 @@ static const struct of_device_id rspi_of_match[] = {
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MODULE_DEVICE_TABLE(of, rspi_of_match);
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static int rspi_parse_dt(struct device *dev, struct spi_master *master)
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static int rspi_parse_dt(struct device *dev, struct spi_controller *ctlr)
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{
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u32 num_cs;
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int error;
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@ -1186,12 +1186,12 @@ static int rspi_parse_dt(struct device *dev, struct spi_master *master)
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return error;
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}
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master->num_chipselect = num_cs;
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ctlr->num_chipselect = num_cs;
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return 0;
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}
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#else
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#define rspi_of_match NULL
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static inline int rspi_parse_dt(struct device *dev, struct spi_master *master)
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static inline int rspi_parse_dt(struct device *dev, struct spi_controller *ctlr)
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{
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return -EINVAL;
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}
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|
|
@ -1212,28 +1212,28 @@ static int rspi_request_irq(struct device *dev, unsigned int irq,
|
|||
static int rspi_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct resource *res;
|
||||
struct spi_master *master;
|
||||
struct spi_controller *ctlr;
|
||||
struct rspi_data *rspi;
|
||||
int ret;
|
||||
const struct rspi_plat_data *rspi_pd;
|
||||
const struct spi_ops *ops;
|
||||
|
||||
master = spi_alloc_master(&pdev->dev, sizeof(struct rspi_data));
|
||||
if (master == NULL)
|
||||
ctlr = spi_alloc_master(&pdev->dev, sizeof(struct rspi_data));
|
||||
if (ctlr == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
ops = of_device_get_match_data(&pdev->dev);
|
||||
if (ops) {
|
||||
ret = rspi_parse_dt(&pdev->dev, master);
|
||||
ret = rspi_parse_dt(&pdev->dev, ctlr);
|
||||
if (ret)
|
||||
goto error1;
|
||||
} else {
|
||||
ops = (struct spi_ops *)pdev->id_entry->driver_data;
|
||||
rspi_pd = dev_get_platdata(&pdev->dev);
|
||||
if (rspi_pd && rspi_pd->num_chipselect)
|
||||
master->num_chipselect = rspi_pd->num_chipselect;
|
||||
ctlr->num_chipselect = rspi_pd->num_chipselect;
|
||||
else
|
||||
master->num_chipselect = 2; /* default */
|
||||
ctlr->num_chipselect = 2; /* default */
|
||||
}
|
||||
|
||||
/* ops parameter check */
|
||||
|
|
@ -1243,10 +1243,10 @@ static int rspi_probe(struct platform_device *pdev)
|
|||
goto error1;
|
||||
}
|
||||
|
||||
rspi = spi_master_get_devdata(master);
|
||||
rspi = spi_controller_get_devdata(ctlr);
|
||||
platform_set_drvdata(pdev, rspi);
|
||||
rspi->ops = ops;
|
||||
rspi->master = master;
|
||||
rspi->ctlr = ctlr;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
rspi->addr = devm_ioremap_resource(&pdev->dev, res);
|
||||
|
|
@ -1266,15 +1266,15 @@ static int rspi_probe(struct platform_device *pdev)
|
|||
|
||||
init_waitqueue_head(&rspi->wait);
|
||||
|
||||
master->bus_num = pdev->id;
|
||||
master->setup = rspi_setup;
|
||||
master->auto_runtime_pm = true;
|
||||
master->transfer_one = ops->transfer_one;
|
||||
master->prepare_message = rspi_prepare_message;
|
||||
master->unprepare_message = rspi_unprepare_message;
|
||||
master->mode_bits = ops->mode_bits;
|
||||
master->flags = ops->flags;
|
||||
master->dev.of_node = pdev->dev.of_node;
|
||||
ctlr->bus_num = pdev->id;
|
||||
ctlr->setup = rspi_setup;
|
||||
ctlr->auto_runtime_pm = true;
|
||||
ctlr->transfer_one = ops->transfer_one;
|
||||
ctlr->prepare_message = rspi_prepare_message;
|
||||
ctlr->unprepare_message = rspi_unprepare_message;
|
||||
ctlr->mode_bits = ops->mode_bits;
|
||||
ctlr->flags = ops->flags;
|
||||
ctlr->dev.of_node = pdev->dev.of_node;
|
||||
|
||||
ret = platform_get_irq_byname(pdev, "rx");
|
||||
if (ret < 0) {
|
||||
|
|
@ -1311,13 +1311,13 @@ static int rspi_probe(struct platform_device *pdev)
|
|||
goto error2;
|
||||
}
|
||||
|
||||
ret = rspi_request_dma(&pdev->dev, master, res);
|
||||
ret = rspi_request_dma(&pdev->dev, ctlr, res);
|
||||
if (ret < 0)
|
||||
dev_warn(&pdev->dev, "DMA not available, using PIO\n");
|
||||
|
||||
ret = devm_spi_register_master(&pdev->dev, master);
|
||||
ret = devm_spi_register_controller(&pdev->dev, ctlr);
|
||||
if (ret < 0) {
|
||||
dev_err(&pdev->dev, "spi_register_master error.\n");
|
||||
dev_err(&pdev->dev, "devm_spi_register_controller error.\n");
|
||||
goto error3;
|
||||
}
|
||||
|
||||
|
|
@ -1326,11 +1326,11 @@ static int rspi_probe(struct platform_device *pdev)
|
|||
return 0;
|
||||
|
||||
error3:
|
||||
rspi_release_dma(master);
|
||||
rspi_release_dma(ctlr);
|
||||
error2:
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
error1:
|
||||
spi_master_put(master);
|
||||
spi_controller_put(ctlr);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -1349,14 +1349,14 @@ static int rspi_suspend(struct device *dev)
|
|||
{
|
||||
struct rspi_data *rspi = dev_get_drvdata(dev);
|
||||
|
||||
return spi_master_suspend(rspi->master);
|
||||
return spi_controller_suspend(rspi->ctlr);
|
||||
}
|
||||
|
||||
static int rspi_resume(struct device *dev)
|
||||
{
|
||||
struct rspi_data *rspi = dev_get_drvdata(dev);
|
||||
|
||||
return spi_master_resume(rspi->master);
|
||||
return spi_controller_resume(rspi->ctlr);
|
||||
}
|
||||
|
||||
static SIMPLE_DEV_PM_OPS(rspi_pm_ops, rspi_suspend, rspi_resume);
|
||||
|
|
|
|||
Loading…
Reference in a new issue