27c9d80f51
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100 lines
2.3 KiB
Diff
100 lines
2.3 KiB
Diff
From 2b873c59fd313aee57864f96d64a228f2ea7c208 Mon Sep 17 00:00:00 2001
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From: Martin Schiller <ms@dev.tdt.de>
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Date: Mon, 13 May 2024 10:42:24 +0200
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Subject: [PATCH] MIPS: lantiq: xway: vmmc: use platform_get_irq to get irqs
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from dts
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Let's fetch the irqs from the dts here and expose them to the voice
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driver like it is done for the cp1 base memory.
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ToDo:
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Maybe it is possible to drop this driver completely and merge this
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handling to the voice driver.
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Signed-off-by: Martin Schiller <ms@dev.tdt.de>
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---
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arch/mips/lantiq/xway/vmmc.c | 53 ++++++++++++++++++++++++++++++++++++
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1 file changed, 53 insertions(+)
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--- a/arch/mips/lantiq/xway/vmmc.c
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+++ b/arch/mips/lantiq/xway/vmmc.c
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@@ -15,6 +15,10 @@
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static unsigned int *cp1_base;
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+static int ad0_irq;
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+static int ad1_irq;
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+static int vc_irq[4];
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+
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unsigned int *ltq_get_cp1_base(void)
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{
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if (!cp1_base)
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@@ -24,6 +28,33 @@ unsigned int *ltq_get_cp1_base(void)
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}
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EXPORT_SYMBOL(ltq_get_cp1_base);
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+unsigned int ltq_get_mps_ad0_irq(void)
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+{
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+ if (!ad0_irq)
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+ panic("no ad0 irq was set\n");
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+
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+ return ad0_irq;
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+}
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+EXPORT_SYMBOL(ltq_get_mps_ad0_irq);
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+
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+unsigned int ltq_get_mps_ad1_irq(void)
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+{
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+ if (!ad1_irq)
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+ panic("no ad1 irq was set\n");
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+
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+ return ad1_irq;
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+}
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+EXPORT_SYMBOL(ltq_get_mps_ad1_irq);
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+
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+unsigned int ltq_get_mps_vc_irq(int idx)
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+{
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+ if (!vc_irq[idx])
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+ panic("no vc%d irq was set\n", idx);
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+
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+ return vc_irq[idx];
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+}
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+EXPORT_SYMBOL(ltq_get_mps_vc_irq);
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+
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static int vmmc_probe(struct platform_device *pdev)
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{
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#define CP1_SIZE (1 << 20)
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@@ -31,11 +62,33 @@ static int vmmc_probe(struct platform_de
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int gpio_count;
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dma_addr_t dma;
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int error;
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+ int i;
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cp1_base =
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(void *) CPHYSADDR(dma_alloc_coherent(&pdev->dev, CP1_SIZE,
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&dma, GFP_KERNEL));
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+ ad0_irq = platform_get_irq(pdev, 4);
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+ if (ad0_irq < 0) {
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+ dev_err(&pdev->dev, "failed to get MPS AD0 irq: %d\n", ad0_irq);
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+ return ad0_irq;
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+ }
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+
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+ ad1_irq = platform_get_irq(pdev, 5);
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+ if (ad1_irq < 0) {
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+ dev_err(&pdev->dev, "failed to get MPS AD1 irq: %d\n", ad1_irq);
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+ return ad1_irq;
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+ }
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+
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+ for (i = 0; i < 4; i++) {
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+ vc_irq[i] = platform_get_irq(pdev, i);
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+ if (vc_irq[i] < 0) {
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+ dev_err(&pdev->dev, "failed to get MPS VC%d irq: %d\n",
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+ i, vc_irq[i]);
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+ return vc_irq[i];
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+ }
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+ }
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+
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gpio_count = gpiod_count(&pdev->dev, NULL);
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while (gpio_count > 0) {
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gpio = devm_gpiod_get_index(&pdev->dev,
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