diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
commit | 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch) | |
tree | b406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/spi/spi-zynqmp-gqspi.c | |
parent | Adding upstream version 6.7.12. (diff) | |
download | linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip |
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/spi/spi-zynqmp-gqspi.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 9a46b2478f..99524a3c9f 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* * Xilinx Zynq UltraScale+ MPSoC Quad-SPI (QSPI) controller driver - * (master mode only) + * (host mode only) * * Copyright (C) 2009 - 2015 Xilinx, Inc. */ @@ -235,21 +235,21 @@ static inline void zynqmp_gqspi_write(struct zynqmp_qspi *xqspi, u32 offset, } /** - * zynqmp_gqspi_selectslave - For selection of slave device + * zynqmp_gqspi_selecttarget - For selection of target device * @instanceptr: Pointer to the zynqmp_qspi structure - * @slavecs: For chip select - * @slavebus: To check which bus is selected- upper or lower + * @targetcs: For chip select + * @targetbus: To check which bus is selected- upper or lower */ -static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr, - u8 slavecs, u8 slavebus) +static void zynqmp_gqspi_selecttarget(struct zynqmp_qspi *instanceptr, + u8 targetcs, u8 targetbus) { /* * Bus and CS lines selected here will be updated in the instance and * used for subsequent GENFIFO entries during transfer. */ - /* Choose slave select line */ - switch (slavecs) { + /* Choose target select line */ + switch (targetcs) { case GQSPI_SELECT_FLASH_CS_BOTH: instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER | GQSPI_GENFIFO_CS_UPPER; @@ -261,11 +261,11 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr, instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER; break; default: - dev_warn(instanceptr->dev, "Invalid slave select\n"); + dev_warn(instanceptr->dev, "Invalid target select\n"); } /* Choose the bus */ - switch (slavebus) { + switch (targetbus) { case GQSPI_SELECT_FLASH_BUS_BOTH: instanceptr->genfifobus = GQSPI_GENFIFO_BUS_LOWER | GQSPI_GENFIFO_BUS_UPPER; @@ -277,7 +277,7 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr, instanceptr->genfifobus = GQSPI_GENFIFO_BUS_LOWER; break; default: - dev_warn(instanceptr->dev, "Invalid slave bus\n"); + dev_warn(instanceptr->dev, "Invalid target bus\n"); } } @@ -337,13 +337,13 @@ static void zynqmp_qspi_set_tapdelay(struct zynqmp_qspi *xqspi, u32 baudrateval) * * The default settings of the QSPI controller's configurable parameters on * reset are - * - Master mode + * - Host mode * - TX threshold set to 1 * - RX threshold set to 1 * - Flash memory interface mode enabled * This function performs the following actions * - Disable and clear all the interrupts - * - Enable manual slave select + * - Enable manual target select * - Enable manual start * - Deselect all the chip select lines * - Set the little endian mode of TX FIFO @@ -426,9 +426,9 @@ static void zynqmp_qspi_init_hw(struct zynqmp_qspi *xqspi) GQSPI_RX_FIFO_THRESHOLD); zynqmp_gqspi_write(xqspi, GQSPI_GF_THRESHOLD_OFST, GQSPI_GEN_FIFO_THRESHOLD_RESET_VAL); - zynqmp_gqspi_selectslave(xqspi, - GQSPI_SELECT_FLASH_CS_LOWER, - GQSPI_SELECT_FLASH_BUS_LOWER); + zynqmp_gqspi_selecttarget(xqspi, + GQSPI_SELECT_FLASH_CS_LOWER, + GQSPI_SELECT_FLASH_BUS_LOWER); /* Initialize DMA */ zynqmp_gqspi_write(xqspi, GQSPI_QSPIDMA_DST_CTRL_OFST, @@ -459,7 +459,7 @@ static void zynqmp_qspi_copy_read_data(struct zynqmp_qspi *xqspi, */ static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high) { - struct zynqmp_qspi *xqspi = spi_master_get_devdata(qspi->master); + struct zynqmp_qspi *xqspi = spi_controller_get_devdata(qspi->controller); ulong timeout; u32 genfifoentry = 0, statusreg; @@ -594,7 +594,7 @@ static int zynqmp_qspi_config_op(struct zynqmp_qspi *xqspi, */ static int zynqmp_qspi_setup_op(struct spi_device *qspi) { - struct spi_controller *ctlr = qspi->master; + struct spi_controller *ctlr = qspi->controller; struct zynqmp_qspi *xqspi = spi_controller_get_devdata(ctlr); if (ctlr->busy) @@ -1048,7 +1048,7 @@ static int zynqmp_qspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op) { struct zynqmp_qspi *xqspi = spi_controller_get_devdata - (mem->spi->master); + (mem->spi->controller); int err = 0, i; u32 genfifoentry = 0; u16 opcode = op->cmd.opcode; @@ -1224,7 +1224,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) u32 num_cs; const struct qspi_platform_data *p_data; - ctlr = spi_alloc_master(&pdev->dev, sizeof(*xqspi)); + ctlr = spi_alloc_host(&pdev->dev, sizeof(*xqspi)); if (!ctlr) return -ENOMEM; @@ -1240,27 +1240,27 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) xqspi->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(xqspi->regs)) { ret = PTR_ERR(xqspi->regs); - goto remove_master; + goto remove_ctlr; } xqspi->pclk = devm_clk_get(&pdev->dev, "pclk"); if (IS_ERR(xqspi->pclk)) { dev_err(dev, "pclk clock not found.\n"); ret = PTR_ERR(xqspi->pclk); - goto remove_master; + goto remove_ctlr; } xqspi->refclk = devm_clk_get(&pdev->dev, "ref_clk"); if (IS_ERR(xqspi->refclk)) { dev_err(dev, "ref_clk clock not found.\n"); ret = PTR_ERR(xqspi->refclk); - goto remove_master; + goto remove_ctlr; } ret = clk_prepare_enable(xqspi->pclk); if (ret) { dev_err(dev, "Unable to enable APB clock.\n"); - goto remove_master; + goto remove_ctlr; } ret = clk_prepare_enable(xqspi->refclk); @@ -1346,7 +1346,7 @@ clk_dis_all: clk_disable_unprepare(xqspi->refclk); clk_dis_pclk: clk_disable_unprepare(xqspi->pclk); -remove_master: +remove_ctlr: spi_controller_put(ctlr); return ret; |