diff options
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/spi-fsl-qspi.c | 8 | ||||
-rw-r--r-- | drivers/spi/spi-imx.c | 5 | ||||
-rw-r--r-- | drivers/spi/spi-loopback-test.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-mem.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-qpic-snand.c | 5 | ||||
-rw-r--r-- | drivers/spi/spi-stm32-ospi.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-sun4i.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-tegra114.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-tegra210-quad.c | 6 |
9 files changed, 29 insertions, 19 deletions
diff --git a/drivers/spi/spi-fsl-qspi.c b/drivers/spi/spi-fsl-qspi.c index 5c59fddb32c1..b5ecffcaf795 100644 --- a/drivers/spi/spi-fsl-qspi.c +++ b/drivers/spi/spi-fsl-qspi.c @@ -949,24 +949,20 @@ static int fsl_qspi_probe(struct platform_device *pdev) ret = devm_add_action_or_reset(dev, fsl_qspi_cleanup, q); if (ret) - goto err_destroy_mutex; + goto err_put_ctrl; ret = devm_spi_register_controller(dev, ctlr); if (ret) - goto err_destroy_mutex; + goto err_put_ctrl; return 0; -err_destroy_mutex: - mutex_destroy(&q->lock); - err_disable_clk: fsl_qspi_clk_disable_unprep(q); err_put_ctrl: spi_controller_put(ctlr); - dev_err(dev, "Freescale QuadSPI probe failed\n"); return ret; } diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 832d6e9009eb..c93d80a4d734 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1695,9 +1695,12 @@ static int spi_imx_transfer_one(struct spi_controller *controller, struct spi_device *spi, struct spi_transfer *transfer) { + int ret; struct spi_imx_data *spi_imx = spi_controller_get_devdata(spi->controller); - spi_imx_setupxfer(spi, transfer); + ret = spi_imx_setupxfer(spi, transfer); + if (ret < 0) + return ret; transfer->effective_speed_hz = spi_imx->spi_bus_clk; /* flush rxfifo before transfer */ diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c index 31a878d9458d..7740f94847a8 100644 --- a/drivers/spi/spi-loopback-test.c +++ b/drivers/spi/spi-loopback-test.c @@ -420,7 +420,7 @@ MODULE_LICENSE("GPL"); static void spi_test_print_hex_dump(char *pre, const void *ptr, size_t len) { /* limit the hex_dump */ - if (len < 1024) { + if (len <= 1024) { print_hex_dump(KERN_INFO, pre, DUMP_PREFIX_OFFSET, 16, 1, ptr, len, 0); diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index a31a1db07aa4..5db0639d3b01 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -596,7 +596,11 @@ u64 spi_mem_calc_op_duration(struct spi_mem_op *op) ns_per_cycles = 1000000000 / op->max_freq; ncycles += ((op->cmd.nbytes * 8) / op->cmd.buswidth) / (op->cmd.dtr ? 2 : 1); ncycles += ((op->addr.nbytes * 8) / op->addr.buswidth) / (op->addr.dtr ? 2 : 1); - ncycles += ((op->dummy.nbytes * 8) / op->dummy.buswidth) / (op->dummy.dtr ? 2 : 1); + + /* Dummy bytes are optional for some SPI flash memory operations */ + if (op->dummy.nbytes) + ncycles += ((op->dummy.nbytes * 8) / op->dummy.buswidth) / (op->dummy.dtr ? 2 : 1); + ncycles += ((op->data.nbytes * 8) / op->data.buswidth) / (op->data.dtr ? 2 : 1); return ncycles * ns_per_cycles; diff --git a/drivers/spi/spi-qpic-snand.c b/drivers/spi/spi-qpic-snand.c index 17eb67e19132..94948c8781e8 100644 --- a/drivers/spi/spi-qpic-snand.c +++ b/drivers/spi/spi-qpic-snand.c @@ -142,7 +142,7 @@ static void qcom_spi_set_read_loc_first(struct qcom_nand_controller *snandc, else if (reg == NAND_READ_LOCATION_1) snandc->regs->read_location1 = locreg_val; else if (reg == NAND_READ_LOCATION_2) - snandc->regs->read_location1 = locreg_val; + snandc->regs->read_location2 = locreg_val; else if (reg == NAND_READ_LOCATION_3) snandc->regs->read_location3 = locreg_val; } @@ -1307,8 +1307,7 @@ static int qcom_spi_send_cmdaddr(struct qcom_nand_controller *snandc, snandc->qspi->addr1 = cpu_to_le32(s_op.addr1_reg << 16); snandc->qspi->addr2 = cpu_to_le32(s_op.addr2_reg); snandc->qspi->cmd = cpu_to_le32(cmd); - qcom_spi_block_erase(snandc); - return 0; + return qcom_spi_block_erase(snandc); default: break; } diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c index 668022098b1e..9ec9823409cc 100644 --- a/drivers/spi/spi-stm32-ospi.c +++ b/drivers/spi/spi-stm32-ospi.c @@ -960,6 +960,10 @@ err_pm_resume: err_pm_enable: pm_runtime_force_suspend(ospi->dev); mutex_destroy(&ospi->lock); + if (ospi->dma_chtx) + dma_release_channel(ospi->dma_chtx); + if (ospi->dma_chrx) + dma_release_channel(ospi->dma_chrx); return ret; } diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c index fcbe864c9b7d..aa92fd5a35a9 100644 --- a/drivers/spi/spi-sun4i.c +++ b/drivers/spi/spi-sun4i.c @@ -264,6 +264,9 @@ static int sun4i_spi_transfer_one(struct spi_controller *host, else reg |= SUN4I_CTL_DHB; + /* Now that the settings are correct, enable the interface */ + reg |= SUN4I_CTL_ENABLE; + sun4i_spi_write(sspi, SUN4I_CTL_REG, reg); /* Ensure that we have a parent clock fast enough */ @@ -404,7 +407,7 @@ static int sun4i_spi_runtime_resume(struct device *dev) } sun4i_spi_write(sspi, SUN4I_CTL_REG, - SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP); + SUN4I_CTL_MASTER | SUN4I_CTL_TP); return 0; @@ -462,6 +465,7 @@ static int sun4i_spi_probe(struct platform_device *pdev) sspi->host = host; host->max_speed_hz = 100 * 1000 * 1000; host->min_speed_hz = 3 * 1000; + host->use_gpio_descriptors = true; host->set_cs = sun4i_spi_set_cs; host->transfer_one = sun4i_spi_transfer_one; host->num_chipselect = 4; diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index 3822d7c8d8ed..795a8482c2c7 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -728,9 +728,9 @@ static int tegra_spi_set_hw_cs_timing(struct spi_device *spi) u32 inactive_cycles; u8 cs_state; - if (setup->unit != SPI_DELAY_UNIT_SCK || - hold->unit != SPI_DELAY_UNIT_SCK || - inactive->unit != SPI_DELAY_UNIT_SCK) { + if ((setup->value && setup->unit != SPI_DELAY_UNIT_SCK) || + (hold->value && hold->unit != SPI_DELAY_UNIT_SCK) || + (inactive->value && inactive->unit != SPI_DELAY_UNIT_SCK)) { dev_err(&spi->dev, "Invalid delay unit %d, should be SPI_DELAY_UNIT_SCK\n", SPI_DELAY_UNIT_SCK); diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c index 08e49a876894..64e1b2f8a000 100644 --- a/drivers/spi/spi-tegra210-quad.c +++ b/drivers/spi/spi-tegra210-quad.c @@ -1117,9 +1117,9 @@ static int tegra_qspi_combined_seq_xfer(struct tegra_qspi *tqspi, (&tqspi->xfer_completion, QSPI_DMA_TIMEOUT); - if (WARN_ON(ret == 0)) { - dev_err(tqspi->dev, "QSPI Transfer failed with timeout: %d\n", - ret); + if (WARN_ON_ONCE(ret == 0)) { + dev_err_ratelimited(tqspi->dev, + "QSPI Transfer failed with timeout\n"); if (tqspi->is_curr_dma_xfer && (tqspi->cur_direction & DATA_DIR_TX)) dmaengine_terminate_all |