cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-imx/devices/platform-ipu-core.c

/*
 * Copyright (C) 2011 Pengutronix
 * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 */
#include <linux/dma-mapping.h>

#include "../hardware.h"
#include "devices-common.h"


#define imx_ipu_core_entry_single(soc)					\
{                                                                       \
        .iobase = soc ## _IPU_CTRL_BASE_ADDR,                           \
        .synirq = soc ## _INT_IPU_SYN,                                  \
        .errirq = soc ## _INT_IPU_ERR,                                  \
}

#ifdef CONFIG_SOC_IMX31

const struct imx_ipu_core_data imx31_ipu_core_data __initconst =
	imx_ipu_core_entry_single(MX31);
#endif

#ifdef CONFIG_SOC_IMX35

const struct imx_ipu_core_data imx35_ipu_core_data __initconst =
	imx_ipu_core_entry_single(MX35);
#endif


static struct platform_device *imx_ipu_coredev __initdata;


struct platform_device *__init imx_add_ipu_core( const struct imx_ipu_core_data *data) { /* The resource order is important! */ struct resource res[] = { { .start = data->iobase, .end = data->iobase + 0x5f, .flags = IORESOURCE_MEM, }, { .start = data->iobase + 0x88, .end = data->iobase + 0xb3, .flags = IORESOURCE_MEM, }, { .start = data->synirq, .end = data->synirq, .flags = IORESOURCE_IRQ, }, { .start = data->errirq, .end = data->errirq, .flags = IORESOURCE_IRQ, }, }; return imx_ipu_coredev = imx_add_platform_device("ipu-core", -1, res, ARRAY_SIZE(res), NULL, 0); }

Contributors

PersonTokensPropCommitsCommitProp
Uwe Kleine-König13298.51%150.00%
Shawn Guo21.49%150.00%
Total134100.00%2100.00%


struct platform_device *__init imx_alloc_mx3_camera( const struct imx_ipu_core_data *data, const struct mx3_camera_pdata *pdata) { struct resource res[] = { { .start = data->iobase + 0x60, .end = data->iobase + 0x87, .flags = IORESOURCE_MEM, }, }; int ret = -ENOMEM; struct platform_device *pdev; if (IS_ERR_OR_NULL(imx_ipu_coredev)) return ERR_PTR(-ENODEV); pdev = platform_device_alloc("mx3-camera", 0); if (!pdev) return ERR_PTR(-ENOMEM); pdev->dev.dma_mask = kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL); if (!pdev->dev.dma_mask) goto err; *pdev->dev.dma_mask = DMA_BIT_MASK(32); pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); if (ret) goto err; if (pdata) { struct mx3_camera_pdata *copied_pdata; ret = platform_device_add_data(pdev, pdata, sizeof(*pdata)); if (ret) { err: kfree(pdev->dev.dma_mask); platform_device_put(pdev); return ERR_PTR(-ENODEV); } copied_pdata = dev_get_platdata(&pdev->dev); copied_pdata->dma_dev = &imx_ipu_coredev->dev; } return pdev; }

Contributors

PersonTokensPropCommitsCommitProp
Uwe Kleine-König24597.22%150.00%
Emil Goode72.78%150.00%
Total252100.00%2100.00%


struct platform_device *__init imx_add_mx3_sdc_fb( const struct imx_ipu_core_data *data, struct mx3fb_platform_data *pdata) { struct resource res[] = { { .start = data->iobase + 0xb4, .end = data->iobase + 0x1bf, .flags = IORESOURCE_MEM, }, }; if (IS_ERR_OR_NULL(imx_ipu_coredev)) return ERR_PTR(-ENODEV); pdata->dma_dev = &imx_ipu_coredev->dev; return imx_add_platform_device_dmamask("mx3_sdc_fb", -1, res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); }

Contributors

PersonTokensPropCommitsCommitProp
Uwe Kleine-König103100.00%1100.00%
Total103100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Uwe Kleine-König53297.44%116.67%
Emil Goode71.28%116.67%
Shawn Guo40.73%350.00%
Alexey Dobriyan30.55%116.67%
Total546100.00%6100.00%
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