diff options
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/spi-apple.c | 1 | ||||
-rw-r--r-- | drivers/spi/spi-aspeed-smc.c | 10 | ||||
-rw-r--r-- | drivers/spi/spi-cadence-quadspi.c | 10 | ||||
-rw-r--r-- | drivers/spi/spi-cs42l43.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-dw-bt1.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-dw-core.c | 14 | ||||
-rw-r--r-- | drivers/spi/spi-dw-dma.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-dw-mmio.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-dw-pci.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-intel-pci.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-ljca.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-loongson-core.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-loongson-pci.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-loongson-plat.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-mpc52xx.c | 1 | ||||
-rw-r--r-- | drivers/spi/spi-omap2-mcspi.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-pxa2xx-pci.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-pxa2xx-platform.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-pxa2xx.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-rockchip-sfc.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-rockchip.c | 14 |
21 files changed, 60 insertions, 32 deletions
diff --git a/drivers/spi/spi-apple.c b/drivers/spi/spi-apple.c index d4b126c8701a..6273352a2b28 100644 --- a/drivers/spi/spi-apple.c +++ b/drivers/spi/spi-apple.c @@ -493,6 +493,7 @@ static int apple_spi_probe(struct platform_device *pdev) ctlr->prepare_message = apple_spi_prepare_message; ctlr->set_cs = apple_spi_set_cs; ctlr->transfer_one = apple_spi_transfer_one; + ctlr->use_gpio_descriptors = true; ctlr->auto_runtime_pm = true; pm_runtime_set_active(&pdev->dev); diff --git a/drivers/spi/spi-aspeed-smc.c b/drivers/spi/spi-aspeed-smc.c index 8eb843ddb25f..e9beae95dded 100644 --- a/drivers/spi/spi-aspeed-smc.c +++ b/drivers/spi/spi-aspeed-smc.c @@ -239,7 +239,7 @@ static ssize_t aspeed_spi_read_user(struct aspeed_spi_chip *chip, ret = aspeed_spi_send_cmd_addr(chip, op->addr.nbytes, offset, op->cmd.opcode); if (ret < 0) - return ret; + goto stop_user; if (op->dummy.buswidth && op->dummy.nbytes) { for (i = 0; i < op->dummy.nbytes / op->dummy.buswidth; i++) @@ -249,8 +249,9 @@ static ssize_t aspeed_spi_read_user(struct aspeed_spi_chip *chip, aspeed_spi_set_io_mode(chip, io_mode); aspeed_spi_read_from_ahb(buf, chip->ahb_base, len); +stop_user: aspeed_spi_stop_user(chip); - return 0; + return ret; } static ssize_t aspeed_spi_write_user(struct aspeed_spi_chip *chip, @@ -261,10 +262,11 @@ static ssize_t aspeed_spi_write_user(struct aspeed_spi_chip *chip, aspeed_spi_start_user(chip); ret = aspeed_spi_send_cmd_addr(chip, op->addr.nbytes, op->addr.val, op->cmd.opcode); if (ret < 0) - return ret; + goto stop_user; aspeed_spi_write_to_ahb(chip->ahb_base, op->data.buf.out, op->data.nbytes); +stop_user: aspeed_spi_stop_user(chip); - return 0; + return ret; } /* support for 1-1-1, 1-1-2 or 1-1-4 */ diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 0b45b7b2b3ab..a031ecb358e0 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -43,6 +43,7 @@ static_assert(CQSPI_MAX_CHIPSELECT <= SPI_CS_CNT_MAX); #define CQSPI_SLOW_SRAM BIT(4) #define CQSPI_NEEDS_APB_AHB_HAZARD_WAR BIT(5) #define CQSPI_RD_NO_IRQ BIT(6) +#define CQSPI_DISABLE_STIG_MODE BIT(7) /* Capabilities */ #define CQSPI_SUPPORTS_OCTAL BIT(0) @@ -103,6 +104,7 @@ struct cqspi_st { bool apb_ahb_hazard; bool is_jh7110; /* Flag for StarFive JH7110 SoC */ + bool disable_stig_mode; const struct cqspi_driver_platdata *ddata; }; @@ -1416,7 +1418,8 @@ static int cqspi_mem_process(struct spi_mem *mem, const struct spi_mem_op *op) * reads, prefer STIG mode for such small reads. */ if (!op->addr.nbytes || - op->data.nbytes <= CQSPI_STIG_DATA_LEN_MAX) + (op->data.nbytes <= CQSPI_STIG_DATA_LEN_MAX && + !cqspi->disable_stig_mode)) return cqspi_command_read(f_pdata, op); return cqspi_read(f_pdata, op); @@ -1880,6 +1883,8 @@ static int cqspi_probe(struct platform_device *pdev) if (ret) goto probe_reset_failed; } + if (ddata->quirks & CQSPI_DISABLE_STIG_MODE) + cqspi->disable_stig_mode = true; if (of_device_is_compatible(pdev->dev.of_node, "xlnx,versal-ospi-1.0")) { @@ -2043,7 +2048,8 @@ static const struct cqspi_driver_platdata intel_lgm_qspi = { static const struct cqspi_driver_platdata socfpga_qspi = { .quirks = CQSPI_DISABLE_DAC_MODE | CQSPI_NO_SUPPORT_WR_COMPLETION - | CQSPI_SLOW_SRAM, + | CQSPI_SLOW_SRAM + | CQSPI_DISABLE_STIG_MODE, }; static const struct cqspi_driver_platdata versal_ospi = { diff --git a/drivers/spi/spi-cs42l43.c b/drivers/spi/spi-cs42l43.c index d0b55a26c31b..ceefc253c549 100644 --- a/drivers/spi/spi-cs42l43.c +++ b/drivers/spi/spi-cs42l43.c @@ -462,7 +462,7 @@ static struct platform_driver cs42l43_spi_driver = { }; module_platform_driver(cs42l43_spi_driver); -MODULE_IMPORT_NS(GPIO_SWNODE); +MODULE_IMPORT_NS("GPIO_SWNODE"); MODULE_DESCRIPTION("CS42L43 SPI Driver"); MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>"); MODULE_AUTHOR("Maciej Strozek <mstrozek@opensource.cirrus.com>"); diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c index abe6410f0e99..4a5be813efa7 100644 --- a/drivers/spi/spi-dw-bt1.c +++ b/drivers/spi/spi-dw-bt1.c @@ -328,4 +328,4 @@ module_platform_driver(dw_spi_bt1_driver); MODULE_AUTHOR("Serge Semin <Sergey.Semin@baikalelectronics.ru>"); MODULE_DESCRIPTION("Baikal-T1 System Boot SPI Controller driver"); MODULE_LICENSE("GPL v2"); -MODULE_IMPORT_NS(SPI_DW_CORE); +MODULE_IMPORT_NS("SPI_DW_CORE"); diff --git a/drivers/spi/spi-dw-core.c b/drivers/spi/spi-dw-core.c index 431788dd848c..ea517af9435f 100644 --- a/drivers/spi/spi-dw-core.c +++ b/drivers/spi/spi-dw-core.c @@ -104,7 +104,7 @@ void dw_spi_set_cs(struct spi_device *spi, bool enable) else dw_writel(dws, DW_SPI_SER, 0); } -EXPORT_SYMBOL_NS_GPL(dw_spi_set_cs, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_set_cs, "SPI_DW_CORE"); /* Return the max entries we can fill into tx fifo */ static inline u32 dw_spi_tx_max(struct dw_spi *dws) @@ -208,7 +208,7 @@ int dw_spi_check_status(struct dw_spi *dws, bool raw) return ret; } -EXPORT_SYMBOL_NS_GPL(dw_spi_check_status, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_check_status, "SPI_DW_CORE"); static irqreturn_t dw_spi_transfer_handler(struct dw_spi *dws) { @@ -351,7 +351,7 @@ void dw_spi_update_config(struct dw_spi *dws, struct spi_device *spi, dws->cur_rx_sample_dly = chip->rx_sample_dly; } } -EXPORT_SYMBOL_NS_GPL(dw_spi_update_config, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_update_config, "SPI_DW_CORE"); static void dw_spi_irq_setup(struct dw_spi *dws) { @@ -982,7 +982,7 @@ err_free_host: spi_controller_put(host); return ret; } -EXPORT_SYMBOL_NS_GPL(dw_spi_add_host, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_add_host, "SPI_DW_CORE"); void dw_spi_remove_host(struct dw_spi *dws) { @@ -997,7 +997,7 @@ void dw_spi_remove_host(struct dw_spi *dws) free_irq(dws->irq, dws->host); } -EXPORT_SYMBOL_NS_GPL(dw_spi_remove_host, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_remove_host, "SPI_DW_CORE"); int dw_spi_suspend_host(struct dw_spi *dws) { @@ -1010,14 +1010,14 @@ int dw_spi_suspend_host(struct dw_spi *dws) dw_spi_shutdown_chip(dws); return 0; } -EXPORT_SYMBOL_NS_GPL(dw_spi_suspend_host, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_suspend_host, "SPI_DW_CORE"); int dw_spi_resume_host(struct dw_spi *dws) { dw_spi_hw_init(&dws->host->dev, dws); return spi_controller_resume(dws->host); } -EXPORT_SYMBOL_NS_GPL(dw_spi_resume_host, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_resume_host, "SPI_DW_CORE"); MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>"); MODULE_DESCRIPTION("Driver for DesignWare SPI controller core"); diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c index f4c209e5f52b..b5bed02b7e50 100644 --- a/drivers/spi/spi-dw-dma.c +++ b/drivers/spi/spi-dw-dma.c @@ -693,7 +693,7 @@ void dw_spi_dma_setup_mfld(struct dw_spi *dws) { dws->dma_ops = &dw_spi_dma_mfld_ops; } -EXPORT_SYMBOL_NS_GPL(dw_spi_dma_setup_mfld, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_dma_setup_mfld, "SPI_DW_CORE"); static const struct dw_spi_dma_ops dw_spi_dma_generic_ops = { .dma_init = dw_spi_dma_init_generic, @@ -708,4 +708,4 @@ void dw_spi_dma_setup_generic(struct dw_spi *dws) { dws->dma_ops = &dw_spi_dma_generic_ops; } -EXPORT_SYMBOL_NS_GPL(dw_spi_dma_setup_generic, SPI_DW_CORE); +EXPORT_SYMBOL_NS_GPL(dw_spi_dma_setup_generic, "SPI_DW_CORE"); diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c index 863040cf5db7..f0f576fac77a 100644 --- a/drivers/spi/spi-dw-mmio.c +++ b/drivers/spi/spi-dw-mmio.c @@ -445,4 +445,4 @@ module_platform_driver(dw_spi_mmio_driver); MODULE_AUTHOR("Jean-Hugues Deschenes <jean-hugues.deschenes@octasic.com>"); MODULE_DESCRIPTION("Memory-mapped I/O interface driver for DW SPI Core"); MODULE_LICENSE("GPL v2"); -MODULE_IMPORT_NS(SPI_DW_CORE); +MODULE_IMPORT_NS("SPI_DW_CORE"); diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c index 6b8cc26e06f8..b32d6648a32e 100644 --- a/drivers/spi/spi-dw-pci.c +++ b/drivers/spi/spi-dw-pci.c @@ -211,4 +211,4 @@ module_pci_driver(dw_spi_pci_driver); MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>"); MODULE_DESCRIPTION("PCI interface driver for DW SPI Core"); MODULE_LICENSE("GPL v2"); -MODULE_IMPORT_NS(SPI_DW_CORE); +MODULE_IMPORT_NS("SPI_DW_CORE"); diff --git a/drivers/spi/spi-intel-pci.c b/drivers/spi/spi-intel-pci.c index c3b54928143d..4d9ffec900bb 100644 --- a/drivers/spi/spi-intel-pci.c +++ b/drivers/spi/spi-intel-pci.c @@ -86,6 +86,8 @@ static const struct pci_device_id intel_spi_pci_ids[] = { { PCI_VDEVICE(INTEL, 0xa324), (unsigned long)&cnl_info }, { PCI_VDEVICE(INTEL, 0xa3a4), (unsigned long)&cnl_info }, { PCI_VDEVICE(INTEL, 0xa823), (unsigned long)&cnl_info }, + { PCI_VDEVICE(INTEL, 0xe323), (unsigned long)&cnl_info }, + { PCI_VDEVICE(INTEL, 0xe423), (unsigned long)&cnl_info }, { }, }; MODULE_DEVICE_TABLE(pci, intel_spi_pci_ids); diff --git a/drivers/spi/spi-ljca.c b/drivers/spi/spi-ljca.c index 1cc1422ddba0..2cab79ad2b98 100644 --- a/drivers/spi/spi-ljca.c +++ b/drivers/spi/spi-ljca.c @@ -294,4 +294,4 @@ MODULE_AUTHOR("Zhifeng Wang <zhifeng.wang@intel.com>"); MODULE_AUTHOR("Lixu Zhang <lixu.zhang@intel.com>"); MODULE_DESCRIPTION("Intel La Jolla Cove Adapter USB-SPI driver"); MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(LJCA); +MODULE_IMPORT_NS("LJCA"); diff --git a/drivers/spi/spi-loongson-core.c b/drivers/spi/spi-loongson-core.c index f97800b6fd65..4fec226456d1 100644 --- a/drivers/spi/spi-loongson-core.c +++ b/drivers/spi/spi-loongson-core.c @@ -227,7 +227,7 @@ int loongson_spi_init_controller(struct device *dev, void __iomem *regs) return devm_spi_register_controller(dev, controller); } -EXPORT_SYMBOL_NS_GPL(loongson_spi_init_controller, SPI_LOONGSON_CORE); +EXPORT_SYMBOL_NS_GPL(loongson_spi_init_controller, "SPI_LOONGSON_CORE"); static int __maybe_unused loongson_spi_suspend(struct device *dev) { @@ -273,7 +273,7 @@ const struct dev_pm_ops loongson_spi_dev_pm_ops = { .suspend = loongson_spi_suspend, .resume = loongson_spi_resume, }; -EXPORT_SYMBOL_NS_GPL(loongson_spi_dev_pm_ops, SPI_LOONGSON_CORE); +EXPORT_SYMBOL_NS_GPL(loongson_spi_dev_pm_ops, "SPI_LOONGSON_CORE"); MODULE_DESCRIPTION("Loongson SPI core driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/spi/spi-loongson-pci.c b/drivers/spi/spi-loongson-pci.c index 892cf1eba1cf..cbcde153260e 100644 --- a/drivers/spi/spi-loongson-pci.c +++ b/drivers/spi/spi-loongson-pci.c @@ -51,4 +51,4 @@ module_pci_driver(loongson_spi_pci_driver); MODULE_DESCRIPTION("Loongson spi pci driver"); MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(SPI_LOONGSON_CORE); +MODULE_IMPORT_NS("SPI_LOONGSON_CORE"); diff --git a/drivers/spi/spi-loongson-plat.c b/drivers/spi/spi-loongson-plat.c index c066e5f5891e..64a7270f9a64 100644 --- a/drivers/spi/spi-loongson-plat.c +++ b/drivers/spi/spi-loongson-plat.c @@ -44,4 +44,4 @@ module_platform_driver(loongson_spi_plat_driver); MODULE_DESCRIPTION("Loongson spi platform driver"); MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(SPI_LOONGSON_CORE); +MODULE_IMPORT_NS("SPI_LOONGSON_CORE"); diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c index 036bfb7bf189..6d4dde15ac54 100644 --- a/drivers/spi/spi-mpc52xx.c +++ b/drivers/spi/spi-mpc52xx.c @@ -520,6 +520,7 @@ static void mpc52xx_spi_remove(struct platform_device *op) struct mpc52xx_spi *ms = spi_controller_get_devdata(host); int i; + cancel_work_sync(&ms->work); free_irq(ms->irq0, ms); free_irq(ms->irq1, ms); diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index e2400a067a95..add6247d3481 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -1561,10 +1561,10 @@ static int omap2_mcspi_probe(struct platform_device *pdev) } mcspi->ref_clk = devm_clk_get_optional_enabled(&pdev->dev, NULL); - if (mcspi->ref_clk) - mcspi->ref_clk_hz = clk_get_rate(mcspi->ref_clk); - else + if (IS_ERR(mcspi->ref_clk)) mcspi->ref_clk_hz = OMAP2_MCSPI_MAX_FREQ; + else + mcspi->ref_clk_hz = clk_get_rate(mcspi->ref_clk); ctlr->max_speed_hz = mcspi->ref_clk_hz; ctlr->min_speed_hz = mcspi->ref_clk_hz >> 15; diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index e51c1b492283..cae77ac18520 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -346,5 +346,5 @@ module_pci_driver(pxa2xx_spi_pci_driver); MODULE_DESCRIPTION("CE4100/LPSS PCI-SPI glue code for PXA's driver"); MODULE_LICENSE("GPL v2"); -MODULE_IMPORT_NS(SPI_PXA2xx); +MODULE_IMPORT_NS("SPI_PXA2xx"); MODULE_AUTHOR("Sebastian Andrzej Siewior <bigeasy@linutronix.de>"); diff --git a/drivers/spi/spi-pxa2xx-platform.c b/drivers/spi/spi-pxa2xx-platform.c index b88b7de7a005..45e159e75a52 100644 --- a/drivers/spi/spi-pxa2xx-platform.c +++ b/drivers/spi/spi-pxa2xx-platform.c @@ -225,6 +225,6 @@ module_exit(pxa2xx_spi_exit); MODULE_AUTHOR("Stephen Street"); MODULE_DESCRIPTION("PXA2xx SSP SPI Controller platform driver"); MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(SPI_PXA2xx); +MODULE_IMPORT_NS("SPI_PXA2xx"); MODULE_ALIAS("platform:pxa2xx-spi"); MODULE_SOFTDEP("pre: dw_dmac"); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index bf1f34b0ffc8..903d76145272 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1468,7 +1468,7 @@ out_error_dma_irq_alloc: return status; } -EXPORT_SYMBOL_NS_GPL(pxa2xx_spi_probe, SPI_PXA2xx); +EXPORT_SYMBOL_NS_GPL(pxa2xx_spi_probe, "SPI_PXA2xx"); void pxa2xx_spi_remove(struct device *dev) { @@ -1488,7 +1488,7 @@ void pxa2xx_spi_remove(struct device *dev) /* Release IRQ */ free_irq(ssp->irq, drv_data); } -EXPORT_SYMBOL_NS_GPL(pxa2xx_spi_remove, SPI_PXA2xx); +EXPORT_SYMBOL_NS_GPL(pxa2xx_spi_remove, "SPI_PXA2xx"); static int pxa2xx_spi_suspend(struct device *dev) { diff --git a/drivers/spi/spi-rockchip-sfc.c b/drivers/spi/spi-rockchip-sfc.c index 69d0f2175568..70bbb459caa4 100644 --- a/drivers/spi/spi-rockchip-sfc.c +++ b/drivers/spi/spi-rockchip-sfc.c @@ -182,6 +182,7 @@ struct rockchip_sfc { bool use_dma; u32 max_iosize; u16 version; + struct spi_controller *host; }; static int rockchip_sfc_reset(struct rockchip_sfc *sfc) @@ -574,6 +575,7 @@ static int rockchip_sfc_probe(struct platform_device *pdev) sfc = spi_controller_get_devdata(host); sfc->dev = dev; + sfc->host = host; sfc->regbase = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(sfc->regbase)) @@ -651,8 +653,8 @@ err_hclk: static void rockchip_sfc_remove(struct platform_device *pdev) { - struct spi_controller *host = platform_get_drvdata(pdev); struct rockchip_sfc *sfc = platform_get_drvdata(pdev); + struct spi_controller *host = sfc->host; spi_unregister_controller(host); diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 864e58167417..1bc012fce7cb 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -241,6 +241,20 @@ static void rockchip_spi_set_cs(struct spi_device *spi, bool enable) struct spi_controller *ctlr = spi->controller; struct rockchip_spi *rs = spi_controller_get_devdata(ctlr); bool cs_asserted = spi->mode & SPI_CS_HIGH ? enable : !enable; + bool cs_actual; + + /* + * SPI subsystem tries to avoid no-op calls that would break the PM + * refcount below. It can't however for the first time it is used. + * To detect this case we read it here and bail out early for no-ops. + */ + if (spi_get_csgpiod(spi, 0)) + cs_actual = !!(readl_relaxed(rs->regs + ROCKCHIP_SPI_SER) & 1); + else + cs_actual = !!(readl_relaxed(rs->regs + ROCKCHIP_SPI_SER) & + BIT(spi_get_chipselect(spi, 0))); + if (unlikely(cs_actual == cs_asserted)) + return; if (cs_asserted) { /* Keep things powered as long as CS is asserted */ |