spi-pxa2xx.c (e4745fef5595df7405ea24d6b21ba0e65332bb8e) spi-pxa2xx.c (9deae4592b66c0b2a7832fefa192e7a506ce047e)
1/*
2 * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
3 * Copyright (C) 2013, Intel Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.

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22#include <linux/device.h>
23#include <linux/ioport.h>
24#include <linux/errno.h>
25#include <linux/err.h>
26#include <linux/interrupt.h>
27#include <linux/platform_device.h>
28#include <linux/spi/pxa2xx_spi.h>
29#include <linux/spi/spi.h>
1/*
2 * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
3 * Copyright (C) 2013, Intel Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.

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22#include <linux/device.h>
23#include <linux/ioport.h>
24#include <linux/errno.h>
25#include <linux/err.h>
26#include <linux/interrupt.h>
27#include <linux/platform_device.h>
28#include <linux/spi/pxa2xx_spi.h>
29#include <linux/spi/spi.h>
30#include <linux/workqueue.h>
30#include <linux/delay.h>
31#include <linux/gpio.h>
32#include <linux/slab.h>
33#include <linux/clk.h>
34#include <linux/pm_runtime.h>
35#include <linux/acpi.h>
36
37#include <asm/io.h>

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880 tx_hi_thres = 0;
881 rx_thres = RX_THRESH_DFLT;
882 }
883
884 /* Only alloc on first setup */
885 chip = spi_get_ctldata(spi);
886 if (!chip) {
887 chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
31#include <linux/delay.h>
32#include <linux/gpio.h>
33#include <linux/slab.h>
34#include <linux/clk.h>
35#include <linux/pm_runtime.h>
36#include <linux/acpi.h>
37
38#include <asm/io.h>

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881 tx_hi_thres = 0;
882 rx_thres = RX_THRESH_DFLT;
883 }
884
885 /* Only alloc on first setup */
886 chip = spi_get_ctldata(spi);
887 if (!chip) {
888 chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
888 if (!chip) {
889 dev_err(&spi->dev,
890 "failed setup: can't allocate chip data\n");
889 if (!chip)
891 return -ENOMEM;
890 return -ENOMEM;
892 }
893
894 if (drv_data->ssp_type == CE4100_SSP) {
895 if (spi->chip_select > 4) {
896 dev_err(&spi->dev,
897 "failed setup: cs number must not be > 4.\n");
898 kfree(chip);
899 return -EINVAL;
900 }

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1031 struct resource *res;
1032 int devid;
1033
1034 if (!ACPI_HANDLE(&pdev->dev) ||
1035 acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev))
1036 return NULL;
1037
1038 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
891
892 if (drv_data->ssp_type == CE4100_SSP) {
893 if (spi->chip_select > 4) {
894 dev_err(&spi->dev,
895 "failed setup: cs number must not be > 4.\n");
896 kfree(chip);
897 return -EINVAL;
898 }

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1029 struct resource *res;
1030 int devid;
1031
1032 if (!ACPI_HANDLE(&pdev->dev) ||
1033 acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev))
1034 return NULL;
1035
1036 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1039 if (!pdata) {
1040 dev_err(&pdev->dev,
1041 "failed to allocate memory for platform data\n");
1037 if (!pdata)
1042 return NULL;
1038 return NULL;
1043 }
1044
1045 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1046 if (!res)
1047 return NULL;
1048
1049 ssp = &pdata->ssp;
1050
1051 ssp->phys_base = res->start;

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1040 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1041 if (!res)
1042 return NULL;
1043
1044 ssp = &pdata->ssp;
1045
1046 ssp->phys_base = res->start;

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