From: Praveen Talari Date: Mon, 18 May 2026 17:00:52 +0000 (+0530) Subject: spi: qcom-geni: Add trace events for Qualcomm GENI SPI driver X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b5687af4af890cfd0a59f879ded40be92a19076e;p=thirdparty%2Flinux.git spi: qcom-geni: Add trace events for Qualcomm GENI SPI driver Add tracepoints to the Qualcomm GENI (Generic Interface) SPI driver. These trace events enable runtime debugging and performance analysis of SPI operations. The trace events capture SPI clock configuration, setup parameters, transfer details, interrupt status. Reviewed-by: Konrad Dybcio Signed-off-by: Praveen Talari Link: https://patch.msgid.link/20260518-add-tracepoints-for-qcom-geni-spi-v3-2-7928f6810a79@oss.qualcomm.com Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index d5fb0edc8e0c8..a04cdc1e5ad4d 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -1,6 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2017-2018, The Linux foundation. All rights reserved. +#define CREATE_TRACE_POINTS +#include + #include #include #include @@ -332,6 +335,9 @@ static int geni_spi_set_clock_and_bw(struct spi_geni_master *mas, writel(clk_sel, se->base + SE_GENI_CLK_SEL); writel(m_clk_cfg, se->base + GENI_SER_M_CLK_CFG); + trace_geni_spi_clk_cfg(mas->dev, clk_hz, mas->cur_sclk_hz, idx, div, + mas->cur_bits_per_word); + /* Set BW quota for CPU as driver supports FIFO mode only. */ se->icc_paths[CPU_TO_GENI].avg_bw = Bps_to_icc(mas->cur_speed_hz); ret = geni_icc_set_bw(se); @@ -366,6 +372,9 @@ static int setup_fifo_params(struct spi_device *spi_slv, if ((mode_changed & SPI_CS_HIGH) || (cs_changed && (spi_slv->mode & SPI_CS_HIGH))) writel((spi_slv->mode & SPI_CS_HIGH) ? BIT(chipselect) : 0, se->base + SE_SPI_DEMUX_OUTPUT_INV); + trace_geni_spi_setup_params(mas->dev, chipselect, spi_slv->mode, + mode_changed, cs_changed); + return 0; } @@ -861,6 +870,8 @@ static int setup_se_xfer(struct spi_transfer *xfer, spin_lock_irq(&mas->lock); geni_se_setup_m_cmd(se, m_cmd, m_params); + trace_geni_spi_transfer(mas->dev, len, m_cmd); + if (mas->cur_xfer_mode == GENI_SE_DMA) { if (m_cmd & SPI_RX_ONLY) geni_se_rx_init_dma(se, sg_dma_address(xfer->rx_sg.sgl), @@ -915,6 +926,8 @@ static irqreturn_t geni_spi_isr(int irq, void *data) if (!m_irq && !dma_tx_status && !dma_rx_status) return IRQ_NONE; + trace_geni_spi_irq(mas->dev, m_irq, dma_tx_status, dma_rx_status); + if (m_irq & (M_CMD_OVERRUN_EN | M_ILLEGAL_CMD_EN | M_CMD_FAILURE_EN | M_RX_FIFO_RD_ERR_EN | M_RX_FIFO_WR_ERR_EN | M_TX_FIFO_RD_ERR_EN | M_TX_FIFO_WR_ERR_EN))