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Fri, 19 Jan 2024 13:00:35 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 40JD0WkT023724; Fri, 19 Jan 2024 13:00:34 GMT Received: from hu-sgudaval-hyd.qualcomm.com (hu-msarkar-hyd.qualcomm.com [10.213.111.194]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 40JD0Y2q023744; Fri, 19 Jan 2024 13:00:34 +0000 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 3891782) id C9210273A; Fri, 19 Jan 2024 18:30:33 +0530 (+0530) From: Mrinmay Sarkar To: vkoul@kernel.org, jingoohan1@gmail.com, conor+dt@kernel.org, konrad.dybcio@linaro.org, manivannan.sadhasivam@linaro.org, robh+dt@kernel.org Cc: quic_shazhuss@quicinc.com, quic_nitegupt@quicinc.com, quic_ramkri@quicinc.com, quic_nayiluri@quicinc.com, dmitry.baryshkov@linaro.org, quic_krichai@quicinc.com, quic_vbadigan@quicinc.com, quic_parass@quicinc.com, quic_schintav@quicinc.com, quic_shijjose@quicinc.com, Mrinmay Sarkar , Gustavo Pimentel , Serge Semin , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Rob Herring , Bjorn Helgaas , Kishon Vijay Abraham I , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, mhi@lists.linux.dev Subject: [PATCH v1 1/6] dmaengine: dw-edma: Pass 'struct dw_edma_chip' to irq_vector() Date: Fri, 19 Jan 2024 18:30:17 +0530 Message-Id: <1705669223-5655-2-git-send-email-quic_msarkar@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1705669223-5655-1-git-send-email-quic_msarkar@quicinc.com> References: <1705669223-5655-1-git-send-email-quic_msarkar@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: WlzlZGLYn8B3rU-ATzMvi9l1ccD_fOIz X-Proofpoint-ORIG-GUID: WlzlZGLYn8B3rU-ATzMvi9l1ccD_fOIz X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-19_07,2024-01-19_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 mlxlogscore=863 phishscore=0 bulkscore=0 impostorscore=0 suspectscore=0 priorityscore=1501 adultscore=0 malwarescore=0 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401190066 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: From: Manivannan Sadhasivam eDMA client drivers defining the irq_vector() callback need to access the members of dw_edma_chip structure. So let's pass that pointer instead. Signed-off-by: Manivannan Sadhasivam Signed-off-by: Mrinmay Sarkar Reviewed-by: Dmitry Baryshkov --- drivers/dma/dw-edma/dw-edma-core.c | 11 +++++------ drivers/dma/dw-edma/dw-edma-pcie.c | 4 ++-- drivers/pci/controller/dwc/pcie-designware.c | 4 ++-- include/linux/dma/edma.h | 3 ++- 4 files changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 6823624..7fe1c19 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -849,7 +849,7 @@ static int dw_edma_irq_request(struct dw_edma *dw, if (chip->nr_irqs == 1) { /* Common IRQ shared among all channels */ - irq = chip->ops->irq_vector(dev, 0); + irq = chip->ops->irq_vector(chip, 0); err = request_irq(irq, dw_edma_interrupt_common, IRQF_SHARED, dw->name, &dw->irq[0]); if (err) { @@ -874,7 +874,7 @@ static int dw_edma_irq_request(struct dw_edma *dw, dw_edma_add_irq_mask(&rd_mask, *rd_alloc, dw->rd_ch_cnt); for (i = 0; i < (*wr_alloc + *rd_alloc); i++) { - irq = chip->ops->irq_vector(dev, i); + irq = chip->ops->irq_vector(chip, i); err = request_irq(irq, i < *wr_alloc ? dw_edma_interrupt_write : @@ -895,7 +895,7 @@ static int dw_edma_irq_request(struct dw_edma *dw, err_irq_free: for (i--; i >= 0; i--) { - irq = chip->ops->irq_vector(dev, i); + irq = chip->ops->irq_vector(chip, i); free_irq(irq, &dw->irq[i]); } @@ -975,7 +975,7 @@ int dw_edma_probe(struct dw_edma_chip *chip) err_irq_free: for (i = (dw->nr_irqs - 1); i >= 0; i--) - free_irq(chip->ops->irq_vector(dev, i), &dw->irq[i]); + free_irq(chip->ops->irq_vector(chip, i), &dw->irq[i]); return err; } @@ -984,7 +984,6 @@ EXPORT_SYMBOL_GPL(dw_edma_probe); int dw_edma_remove(struct dw_edma_chip *chip) { struct dw_edma_chan *chan, *_chan; - struct device *dev = chip->dev; struct dw_edma *dw = chip->dw; int i; @@ -997,7 +996,7 @@ int dw_edma_remove(struct dw_edma_chip *chip) /* Free irqs */ for (i = (dw->nr_irqs - 1); i >= 0; i--) - free_irq(chip->ops->irq_vector(dev, i), &dw->irq[i]); + free_irq(chip->ops->irq_vector(chip, i), &dw->irq[i]); /* Deregister eDMA device */ dma_async_device_unregister(&dw->dma); diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c index 1c60437..2b13725 100644 --- a/drivers/dma/dw-edma/dw-edma-pcie.c +++ b/drivers/dma/dw-edma/dw-edma-pcie.c @@ -90,9 +90,9 @@ static const struct dw_edma_pcie_data snps_edda_data = { .rd_ch_cnt = 2, }; -static int dw_edma_pcie_irq_vector(struct device *dev, unsigned int nr) +static int dw_edma_pcie_irq_vector(struct dw_edma_chip *chip, unsigned int nr) { - return pci_irq_vector(to_pci_dev(dev), nr); + return pci_irq_vector(to_pci_dev(chip->dev), nr); } static u64 dw_edma_pcie_address(struct device *dev, phys_addr_t cpu_addr) diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index 250cf7f..eca047a 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -858,9 +858,9 @@ static u32 dw_pcie_readl_dma(struct dw_pcie *pci, u32 reg) return val; } -static int dw_pcie_edma_irq_vector(struct device *dev, unsigned int nr) +static int dw_pcie_edma_irq_vector(struct dw_edma_chip *edma, unsigned int nr) { - struct platform_device *pdev = to_platform_device(dev); + struct platform_device *pdev = to_platform_device(edma->dev); char name[6]; int ret; diff --git a/include/linux/dma/edma.h b/include/linux/dma/edma.h index 3080747..7197a58 100644 --- a/include/linux/dma/edma.h +++ b/include/linux/dma/edma.h @@ -16,6 +16,7 @@ #define EDMA_MAX_RD_CH 8 struct dw_edma; +struct dw_edma_chip; struct dw_edma_region { u64 paddr; @@ -41,7 +42,7 @@ struct dw_edma_region { * automatically. */ struct dw_edma_plat_ops { - int (*irq_vector)(struct device *dev, unsigned int nr); + int (*irq_vector)(struct dw_edma_chip *chip, unsigned int nr); u64 (*pci_address)(struct device *dev, phys_addr_t cpu_addr); };