diff options
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/Kconfig | 4 | ||||
-rw-r--r-- | drivers/spi/spi-ath79.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-atmel.c | 17 | ||||
-rw-r--r-- | drivers/spi/spi-coldfire-qspi.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-imx.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-nuc900.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-topcliff-pch.c | 15 | ||||
-rw-r--r-- | drivers/spi/spi.c | 4 |
9 files changed, 40 insertions, 22 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index ba9310bc9acb..581ee2a8856b 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig | |||
@@ -376,10 +376,10 @@ config SPI_PXA2XX_PCI | |||
376 | def_tristate SPI_PXA2XX && PCI | 376 | def_tristate SPI_PXA2XX && PCI |
377 | 377 | ||
378 | config SPI_RSPI | 378 | config SPI_RSPI |
379 | tristate "Renesas RSPI controller" | 379 | tristate "Renesas RSPI/QSPI controller" |
380 | depends on (SUPERH && SH_DMAE_BASE) || ARCH_SHMOBILE | 380 | depends on (SUPERH && SH_DMAE_BASE) || ARCH_SHMOBILE |
381 | help | 381 | help |
382 | SPI driver for Renesas RSPI blocks. | 382 | SPI driver for Renesas RSPI and QSPI blocks. |
383 | 383 | ||
384 | config SPI_S3C24XX | 384 | config SPI_S3C24XX |
385 | tristate "Samsung S3C24XX series SPI" | 385 | tristate "Samsung S3C24XX series SPI" |
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c index 31534b51715a..c3b2fb9b6713 100644 --- a/drivers/spi/spi-ath79.c +++ b/drivers/spi/spi-ath79.c | |||
@@ -132,9 +132,9 @@ static int ath79_spi_setup_cs(struct spi_device *spi) | |||
132 | 132 | ||
133 | flags = GPIOF_DIR_OUT; | 133 | flags = GPIOF_DIR_OUT; |
134 | if (spi->mode & SPI_CS_HIGH) | 134 | if (spi->mode & SPI_CS_HIGH) |
135 | flags |= GPIOF_INIT_HIGH; | ||
136 | else | ||
137 | flags |= GPIOF_INIT_LOW; | 135 | flags |= GPIOF_INIT_LOW; |
136 | else | ||
137 | flags |= GPIOF_INIT_HIGH; | ||
138 | 138 | ||
139 | status = gpio_request_one(cdata->gpio, flags, | 139 | status = gpio_request_one(cdata->gpio, flags, |
140 | dev_name(&spi->dev)); | 140 | dev_name(&spi->dev)); |
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index b0842f751016..5d7b07f08326 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c | |||
@@ -1455,6 +1455,14 @@ static int atmel_spi_suspend(struct device *dev) | |||
1455 | { | 1455 | { |
1456 | struct spi_master *master = dev_get_drvdata(dev); | 1456 | struct spi_master *master = dev_get_drvdata(dev); |
1457 | struct atmel_spi *as = spi_master_get_devdata(master); | 1457 | struct atmel_spi *as = spi_master_get_devdata(master); |
1458 | int ret; | ||
1459 | |||
1460 | /* Stop the queue running */ | ||
1461 | ret = spi_master_suspend(master); | ||
1462 | if (ret) { | ||
1463 | dev_warn(dev, "cannot suspend master\n"); | ||
1464 | return ret; | ||
1465 | } | ||
1458 | 1466 | ||
1459 | clk_disable_unprepare(as->clk); | 1467 | clk_disable_unprepare(as->clk); |
1460 | return 0; | 1468 | return 0; |
@@ -1464,9 +1472,16 @@ static int atmel_spi_resume(struct device *dev) | |||
1464 | { | 1472 | { |
1465 | struct spi_master *master = dev_get_drvdata(dev); | 1473 | struct spi_master *master = dev_get_drvdata(dev); |
1466 | struct atmel_spi *as = spi_master_get_devdata(master); | 1474 | struct atmel_spi *as = spi_master_get_devdata(master); |
1475 | int ret; | ||
1467 | 1476 | ||
1468 | clk_prepare_enable(as->clk); | 1477 | clk_prepare_enable(as->clk); |
1469 | return 0; | 1478 | |
1479 | /* Start the queue running */ | ||
1480 | ret = spi_master_resume(master); | ||
1481 | if (ret) | ||
1482 | dev_err(dev, "problem starting queue (%d)\n", ret); | ||
1483 | |||
1484 | return ret; | ||
1470 | } | 1485 | } |
1471 | 1486 | ||
1472 | static SIMPLE_DEV_PM_OPS(atmel_spi_pm_ops, atmel_spi_suspend, atmel_spi_resume); | 1487 | static SIMPLE_DEV_PM_OPS(atmel_spi_pm_ops, atmel_spi_suspend, atmel_spi_resume); |
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index cabed8f9119e..28ae470397a9 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c | |||
@@ -514,7 +514,8 @@ static int mcfqspi_resume(struct device *dev) | |||
514 | #ifdef CONFIG_PM_RUNTIME | 514 | #ifdef CONFIG_PM_RUNTIME |
515 | static int mcfqspi_runtime_suspend(struct device *dev) | 515 | static int mcfqspi_runtime_suspend(struct device *dev) |
516 | { | 516 | { |
517 | struct mcfqspi *mcfqspi = dev_get_drvdata(dev); | 517 | struct spi_master *master = dev_get_drvdata(dev); |
518 | struct mcfqspi *mcfqspi = spi_master_get_devdata(master); | ||
518 | 519 | ||
519 | clk_disable(mcfqspi->clk); | 520 | clk_disable(mcfqspi->clk); |
520 | 521 | ||
@@ -523,7 +524,8 @@ static int mcfqspi_runtime_suspend(struct device *dev) | |||
523 | 524 | ||
524 | static int mcfqspi_runtime_resume(struct device *dev) | 525 | static int mcfqspi_runtime_resume(struct device *dev) |
525 | { | 526 | { |
526 | struct mcfqspi *mcfqspi = dev_get_drvdata(dev); | 527 | struct spi_master *master = dev_get_drvdata(dev); |
528 | struct mcfqspi *mcfqspi = spi_master_get_devdata(master); | ||
527 | 529 | ||
528 | clk_enable(mcfqspi->clk); | 530 | clk_enable(mcfqspi->clk); |
529 | 531 | ||
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index ec79f726672a..a25392065d9b 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c | |||
@@ -420,7 +420,6 @@ static int dspi_suspend(struct device *dev) | |||
420 | 420 | ||
421 | static int dspi_resume(struct device *dev) | 421 | static int dspi_resume(struct device *dev) |
422 | { | 422 | { |
423 | |||
424 | struct spi_master *master = dev_get_drvdata(dev); | 423 | struct spi_master *master = dev_get_drvdata(dev); |
425 | struct fsl_dspi *dspi = spi_master_get_devdata(master); | 424 | struct fsl_dspi *dspi = spi_master_get_devdata(master); |
426 | 425 | ||
@@ -504,7 +503,7 @@ static int dspi_probe(struct platform_device *pdev) | |||
504 | clk_prepare_enable(dspi->clk); | 503 | clk_prepare_enable(dspi->clk); |
505 | 504 | ||
506 | init_waitqueue_head(&dspi->waitq); | 505 | init_waitqueue_head(&dspi->waitq); |
507 | platform_set_drvdata(pdev, dspi); | 506 | platform_set_drvdata(pdev, master); |
508 | 507 | ||
509 | ret = spi_bitbang_start(&dspi->bitbang); | 508 | ret = spi_bitbang_start(&dspi->bitbang); |
510 | if (ret != 0) { | 509 | if (ret != 0) { |
@@ -525,7 +524,8 @@ out_master_put: | |||
525 | 524 | ||
526 | static int dspi_remove(struct platform_device *pdev) | 525 | static int dspi_remove(struct platform_device *pdev) |
527 | { | 526 | { |
528 | struct fsl_dspi *dspi = platform_get_drvdata(pdev); | 527 | struct spi_master *master = platform_get_drvdata(pdev); |
528 | struct fsl_dspi *dspi = spi_master_get_devdata(master); | ||
529 | 529 | ||
530 | /* Disconnect from the SPI framework */ | 530 | /* Disconnect from the SPI framework */ |
531 | spi_bitbang_stop(&dspi->bitbang); | 531 | spi_bitbang_stop(&dspi->bitbang); |
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index a5474ef9d2a0..47f15d97e7fa 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c | |||
@@ -948,8 +948,8 @@ static int spi_imx_remove(struct platform_device *pdev) | |||
948 | spi_bitbang_stop(&spi_imx->bitbang); | 948 | spi_bitbang_stop(&spi_imx->bitbang); |
949 | 949 | ||
950 | writel(0, spi_imx->base + MXC_CSPICTRL); | 950 | writel(0, spi_imx->base + MXC_CSPICTRL); |
951 | clk_disable_unprepare(spi_imx->clk_ipg); | 951 | clk_unprepare(spi_imx->clk_ipg); |
952 | clk_disable_unprepare(spi_imx->clk_per); | 952 | clk_unprepare(spi_imx->clk_per); |
953 | spi_master_put(master); | 953 | spi_master_put(master); |
954 | 954 | ||
955 | return 0; | 955 | return 0; |
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c index 50406306bc20..bae97ffec4b9 100644 --- a/drivers/spi/spi-nuc900.c +++ b/drivers/spi/spi-nuc900.c | |||
@@ -361,6 +361,8 @@ static int nuc900_spi_probe(struct platform_device *pdev) | |||
361 | init_completion(&hw->done); | 361 | init_completion(&hw->done); |
362 | 362 | ||
363 | master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; | 363 | master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; |
364 | if (hw->pdata->lsb) | ||
365 | master->mode_bits |= SPI_LSB_FIRST; | ||
364 | master->num_chipselect = hw->pdata->num_cs; | 366 | master->num_chipselect = hw->pdata->num_cs; |
365 | master->bus_num = hw->pdata->bus_num; | 367 | master->bus_num = hw->pdata->bus_num; |
366 | hw->bitbang.master = hw->master; | 368 | hw->bitbang.master = hw->master; |
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 2e7f38c7a961..88eb57e858b3 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c | |||
@@ -915,7 +915,7 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw) | |||
915 | /* Set Tx DMA */ | 915 | /* Set Tx DMA */ |
916 | param = &dma->param_tx; | 916 | param = &dma->param_tx; |
917 | param->dma_dev = &dma_dev->dev; | 917 | param->dma_dev = &dma_dev->dev; |
918 | param->chan_id = data->master->bus_num * 2; /* Tx = 0, 2 */ | 918 | param->chan_id = data->ch * 2; /* Tx = 0, 2 */; |
919 | param->tx_reg = data->io_base_addr + PCH_SPDWR; | 919 | param->tx_reg = data->io_base_addr + PCH_SPDWR; |
920 | param->width = width; | 920 | param->width = width; |
921 | chan = dma_request_channel(mask, pch_spi_filter, param); | 921 | chan = dma_request_channel(mask, pch_spi_filter, param); |
@@ -930,7 +930,7 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw) | |||
930 | /* Set Rx DMA */ | 930 | /* Set Rx DMA */ |
931 | param = &dma->param_rx; | 931 | param = &dma->param_rx; |
932 | param->dma_dev = &dma_dev->dev; | 932 | param->dma_dev = &dma_dev->dev; |
933 | param->chan_id = data->master->bus_num * 2 + 1; /* Rx = Tx + 1 */ | 933 | param->chan_id = data->ch * 2 + 1; /* Rx = Tx + 1 */; |
934 | param->rx_reg = data->io_base_addr + PCH_SPDRR; | 934 | param->rx_reg = data->io_base_addr + PCH_SPDRR; |
935 | param->width = width; | 935 | param->width = width; |
936 | chan = dma_request_channel(mask, pch_spi_filter, param); | 936 | chan = dma_request_channel(mask, pch_spi_filter, param); |
@@ -1452,6 +1452,11 @@ static int pch_spi_pd_probe(struct platform_device *plat_dev) | |||
1452 | 1452 | ||
1453 | pch_spi_set_master_mode(master); | 1453 | pch_spi_set_master_mode(master); |
1454 | 1454 | ||
1455 | if (use_dma) { | ||
1456 | dev_info(&plat_dev->dev, "Use DMA for data transfers\n"); | ||
1457 | pch_alloc_dma_buf(board_dat, data); | ||
1458 | } | ||
1459 | |||
1455 | ret = spi_register_master(master); | 1460 | ret = spi_register_master(master); |
1456 | if (ret != 0) { | 1461 | if (ret != 0) { |
1457 | dev_err(&plat_dev->dev, | 1462 | dev_err(&plat_dev->dev, |
@@ -1459,14 +1464,10 @@ static int pch_spi_pd_probe(struct platform_device *plat_dev) | |||
1459 | goto err_spi_register_master; | 1464 | goto err_spi_register_master; |
1460 | } | 1465 | } |
1461 | 1466 | ||
1462 | if (use_dma) { | ||
1463 | dev_info(&plat_dev->dev, "Use DMA for data transfers\n"); | ||
1464 | pch_alloc_dma_buf(board_dat, data); | ||
1465 | } | ||
1466 | |||
1467 | return 0; | 1467 | return 0; |
1468 | 1468 | ||
1469 | err_spi_register_master: | 1469 | err_spi_register_master: |
1470 | pch_free_dma_buf(board_dat, data); | ||
1470 | free_irq(board_dat->pdev->irq, data); | 1471 | free_irq(board_dat->pdev->irq, data); |
1471 | err_request_irq: | 1472 | err_request_irq: |
1472 | pch_spi_free_resources(board_dat, data); | 1473 | pch_spi_free_resources(board_dat, data); |
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 23756b0f9036..d0b28bba38be 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c | |||
@@ -755,9 +755,7 @@ static void spi_pump_messages(struct kthread_work *work) | |||
755 | ret = master->transfer_one_message(master, master->cur_msg); | 755 | ret = master->transfer_one_message(master, master->cur_msg); |
756 | if (ret) { | 756 | if (ret) { |
757 | dev_err(&master->dev, | 757 | dev_err(&master->dev, |
758 | "failed to transfer one message from queue: %d\n", ret); | 758 | "failed to transfer one message from queue\n"); |
759 | master->cur_msg->status = ret; | ||
760 | spi_finalize_current_message(master); | ||
761 | return; | 759 | return; |
762 | } | 760 | } |
763 | } | 761 | } |