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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
From a226d75cbc55d5cf6b433565af2de1dbf89c9232 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Thu, 11 May 2023 16:10:52 +0100
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Subject: [PATCH] bcm2835-smi: Use phys addresses for slave DMA config
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Contrary to what struct snd_dmaengine_dai_dma_data suggests, the
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configuration of addresses of DMA slave interfaces should be done in
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CPU physical addresses.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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drivers/misc/bcm2835_smi.c | 10 ++++------
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1 file changed, 4 insertions(+), 6 deletions(-)
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--- a/drivers/misc/bcm2835_smi.c
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+++ b/drivers/misc/bcm2835_smi.c
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@@ -64,7 +64,7 @@ struct bcm2835_smi_instance {
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struct device *dev;
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struct smi_settings settings;
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__iomem void *smi_regs_ptr;
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- dma_addr_t smi_regs_busaddr;
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+ phys_addr_t smi_regs_busaddr;
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struct dma_chan *dma_chan;
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struct dma_slave_config dma_config;
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@@ -858,7 +858,6 @@ static int bcm2835_smi_probe(struct plat
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struct device_node *node = dev->of_node;
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struct resource *ioresource;
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struct bcm2835_smi_instance *inst;
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- const __be32 *addr;
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/* We require device tree support */
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if (!node)
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@@ -872,14 +871,13 @@ static int bcm2835_smi_probe(struct plat
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inst->dev = dev;
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spin_lock_init(&inst->transaction_lock);
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- ioresource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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- inst->smi_regs_ptr = devm_ioremap_resource(dev, ioresource);
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+ inst->smi_regs_ptr = devm_platform_get_and_ioremap_resource(pdev, 0,
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+ &ioresource);
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if (IS_ERR(inst->smi_regs_ptr)) {
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err = PTR_ERR(inst->smi_regs_ptr);
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goto err;
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}
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- addr = of_get_address(node, 0, NULL, NULL);
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- inst->smi_regs_busaddr = be32_to_cpu(*addr);
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+ inst->smi_regs_busaddr = ioresource->start;
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err = bcm2835_smi_dma_setup(inst);
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if (err)
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