target/linux/brcm2708/patches-3.18/0063-bcm2708-Allow-option-card-devices-to-be-configured-v.patch

   1 From 37fd085e3449fabd2d976d671ebf2a6c631c9afd Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Mon, 1 Sep 2014 16:35:56 +0100
   4 Subject: [PATCH 063/114] bcm2708: Allow option card devices to be configured
   5  via DT
   6
   7 If the kernel is built with Device Tree support, and if a DT blob
   8 is provided for the kernel at boot time, then the platform devices
   9 for option cards are not created. This avoids both the need to
  10 blacklist unwanted devices, and the need to update the board
  11 support code with each new device.
  12 ---
  13  arch/arm/mach-bcm2708/bcm2708.c | 70 ++++++++++++++++++++---------------------
  14  drivers/dma/bcm2708-dmaengine.c | 14 ++++-----
  15  drivers/mmc/host/bcm2835-mmc.c  | 24 +++++++-------
  16  drivers/of/fdt.c                |  6 +++-
  17  sound/soc/bcm/bcm2708-i2s.c     | 29 +++++++++++------
  18  sound/soc/bcm/bcm2835-i2s.c     |  1 +
  19  6 files changed, 80 insertions(+), 64 deletions(-)
  20
  21 diff --git a/arch/arm/mach-bcm2708/bcm2708.c b/arch/arm/mach-bcm2708/bcm2708.c
  22 index 5f6a1fa..2c6a29d 100644
  23 --- a/arch/arm/mach-bcm2708/bcm2708.c
  24 +++ b/arch/arm/mach-bcm2708/bcm2708.c
  25 @@ -35,6 +35,7 @@
  26  #include <linux/module.h>
  27  #include <linux/of_platform.h>
  28  #include <linux/spi/spi.h>
  29 +#include <linux/gpio/machine.h>
  30  #include <linux/w1-gpio.h>
  31
  32  #include <linux/version.h>
  33 @@ -93,6 +94,8 @@ static unsigned reboot_part = 0;
  34  static unsigned w1_gpio_pin = W1_GPIO;
  35  static unsigned w1_gpio_pullup = W1_PULLUP;
  36
  37 +static unsigned use_dt = 0;
  38 +
  39  static void __init bcm2708_init_led(void);
  40
  41  void __init bcm2708_init_irq(void)
  42 @@ -514,7 +517,6 @@ static struct platform_device bcm2708_alsa_devices[] = {
  43                },
  44  };
  45
  46 -#ifndef CONFIG_OF
  47  static struct resource bcm2708_spi_resources[] = {
  48         {
  49                 .start = SPI0_BASE,
  50 @@ -538,7 +540,6 @@ static struct platform_device bcm2708_spi_device = {
  51                 .dma_mask = &bcm2708_spi_dmamask,
  52                 .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON)},
  53  };
  54 -#endif
  55
  56  #ifdef CONFIG_BCM2708_SPIDEV
  57  static struct spi_board_info bcm2708_spi_devices[] = {
  58 @@ -560,7 +561,6 @@ static struct spi_board_info bcm2708_spi_devices[] = {
  59  };
  60  #endif
  61
  62 -#ifndef CONFIG_OF
  63  static struct resource bcm2708_bsc0_resources[] = {
  64         {
  65                 .start = BSC0_BASE,
  66 @@ -599,7 +599,6 @@ static struct platform_device bcm2708_bsc1_device = {
  67         .num_resources = ARRAY_SIZE(bcm2708_bsc1_resources),
  68         .resource = bcm2708_bsc1_resources,
  69  };
  70 -#endif
  71
  72  static struct platform_device bcm2835_hwmon_device = {
  73         .name = "bcm2835_hwmon",
  74 @@ -609,7 +608,7 @@ static struct platform_device bcm2835_thermal_device = {
  75         .name = "bcm2835_thermal",
  76  };
  77
  78 -#ifdef CONFIG_SND_BCM2708_SOC_I2S_MODULE
  79 +#if defined(CONFIG_SND_BCM2708_SOC_I2S) || defined(CONFIG_SND_BCM2708_SOC_I2S_MODULE)
  80  static struct resource bcm2708_i2s_resources[] = {
  81         {
  82                 .start = I2S_BASE,
  83 @@ -731,14 +730,14 @@ int __init bcm_register_device(struct platform_device *pdev)
  84  }
  85
  86  /*
  87 - * Use this macro for platform devices that are present in the Device Tree.
  88 - * This way the device is only added on non-DT builds.
  89 + * Use these macros for platform and i2c devices that are present in the
  90 + * Device Tree. This way the devices are only added on non-DT systems.
  91   */
  92 -#ifdef CONFIG_OF
  93 -#define bcm_register_device_dt(pdev)
  94 -#else
  95 -#define bcm_register_device_dt(pdev) bcm_register_device(pdev)
  96 -#endif
  97 +#define bcm_register_device_dt(pdev) \
  98 +    if (!use_dt) bcm_register_device(pdev)
  99 +
 100 +#define i2c_register_board_info_dt(busnum, info, n) \
 101 +    if (!use_dt) i2c_register_board_info(busnum, info, n)
 102
 103  int calc_rsts(int partition)
 104  {
 105 @@ -814,7 +813,9 @@ static void __init bcm2708_dt_init(void)
 106         ret = of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 107         if (ret) {
 108                 pr_err("of_platform_populate failed: %d\n", ret);
 109 -               BUG();
 110 +               /* Proceed as if CONFIG_OF was not defined */
 111 +       } else {
 112 +               use_dt = 1;
 113         }
 114  }
 115  #else
 116 @@ -842,7 +843,7 @@ void __init bcm2708_init(void)
 117  #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
 118         w1_gpio_pdata.pin = w1_gpio_pin;
 119         w1_gpio_pdata.ext_pullup_enable_pin = w1_gpio_pullup;
 120 -       platform_device_register(&w1_device);
 121 +       bcm_register_device_dt(&w1_device);
 122  #endif
 123         bcm_register_device(&bcm2708_systemtimer_device);
 124         bcm_register_device(&bcm2708_fb_device);
 125 @@ -857,46 +858,45 @@ void __init bcm2708_init(void)
 126         for (i = 0; i < ARRAY_SIZE(bcm2708_alsa_devices); i++)
 127                 bcm_register_device(&bcm2708_alsa_devices[i]);
 128
 129 +       bcm_register_device(&bcm2835_hwmon_device);
 130 +       bcm_register_device(&bcm2835_thermal_device);
 131 +
 132         bcm_register_device_dt(&bcm2708_spi_device);
 133         bcm_register_device_dt(&bcm2708_bsc0_device);
 134         bcm_register_device_dt(&bcm2708_bsc1_device);
 135
 136 -       bcm_register_device(&bcm2835_hwmon_device);
 137 -       bcm_register_device(&bcm2835_thermal_device);
 138 -
 139 -#ifdef CONFIG_SND_BCM2708_SOC_I2S_MODULE
 140 -       bcm_register_device(&bcm2708_i2s_device);
 141 +#if defined(CONFIG_SND_BCM2708_SOC_I2S) || defined(CONFIG_SND_BCM2708_SOC_I2S_MODULE)
 142 +       bcm_register_device_dt(&bcm2708_i2s_device);
 143  #endif
 144
 145  #if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC_MODULE)
 146 -        bcm_register_device(&snd_hifiberry_dac_device);
 147 -        bcm_register_device(&snd_pcm5102a_codec_device);
 148 +        bcm_register_device_dt(&snd_hifiberry_dac_device);
 149 +        bcm_register_device_dt(&snd_pcm5102a_codec_device);
 150  #endif
 151
 152  #if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS_MODULE)
 153 -        bcm_register_device(&snd_rpi_hifiberry_dacplus_device);
 154 -        i2c_register_board_info(1, snd_pcm512x_hbdacplus_i2c_devices, ARRAY_SIZE(snd_pcm512x_hbdacplus_i2c_devices));
 155 +        bcm_register_device_dt(&snd_rpi_hifiberry_dacplus_device);
 156 +        i2c_register_board_info_dt(1, snd_pcm512x_hbdacplus_i2c_devices, ARRAY_SIZE(snd_pcm512x_hbdacplus_i2c_devices));
 157  #endif
 158
 159  #if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI_MODULE)
 160 -        bcm_register_device(&snd_hifiberry_digi_device);
 161 -        i2c_register_board_info(1, snd_wm8804_i2c_devices, ARRAY_SIZE(snd_wm8804_i2c_devices));
 162 +        bcm_register_device_dt(&snd_hifiberry_digi_device);
 163 +        i2c_register_board_info_dt(1, snd_wm8804_i2c_devices, ARRAY_SIZE(snd_wm8804_i2c_devices));
 164  #endif
 165
 166  #if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP_MODULE)
 167 -        bcm_register_device(&snd_hifiberry_amp_device);
 168 -        i2c_register_board_info(1, snd_tas5713_i2c_devices, ARRAY_SIZE(snd_tas5713_i2c_devices));
 169 +        bcm_register_device_dt(&snd_hifiberry_amp_device);
 170 +        i2c_register_board_info_dt(1, snd_tas5713_i2c_devices, ARRAY_SIZE(snd_tas5713_i2c_devices));
 171  #endif
 172
 173 -
 174  #if defined(CONFIG_SND_BCM2708_SOC_RPI_DAC) || defined(CONFIG_SND_BCM2708_SOC_RPI_DAC_MODULE)
 175 -        bcm_register_device(&snd_rpi_dac_device);
 176 -        bcm_register_device(&snd_pcm1794a_codec_device);
 177 +        bcm_register_device_dt(&snd_rpi_dac_device);
 178 +        bcm_register_device_dt(&snd_pcm1794a_codec_device);
 179  #endif
 180
 181  #if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE)
 182 -        bcm_register_device(&snd_rpi_iqaudio_dac_device);
 183 -        i2c_register_board_info(1, snd_pcm512x_i2c_devices, ARRAY_SIZE(snd_pcm512x_i2c_devices));
 184 +        bcm_register_device_dt(&snd_rpi_iqaudio_dac_device);
 185 +        i2c_register_board_info_dt(1, snd_pcm512x_i2c_devices, ARRAY_SIZE(snd_pcm512x_i2c_devices));
 186  #endif
 187
 188
 189 @@ -1041,9 +1041,9 @@ static struct platform_device bcm2708_led_device = {
 190
 191  static void __init bcm2708_init_led(void)
 192  {
 193 -  bcm2708_leds[0].gpio = disk_led_gpio;
 194 -  bcm2708_leds[0].active_low = disk_led_active_low;
 195 -  platform_device_register(&bcm2708_led_device);
 196 +       bcm2708_leds[0].gpio = disk_led_gpio;
 197 +       bcm2708_leds[0].active_low = disk_led_active_low;
 198 +       bcm_register_device_dt(&bcm2708_led_device);
 199  }
 200  #else
 201  static inline void bcm2708_init_led(void)
 202 diff --git a/drivers/dma/bcm2708-dmaengine.c b/drivers/dma/bcm2708-dmaengine.c
 203 index 10463db..3f9be02 100644
 204 --- a/drivers/dma/bcm2708-dmaengine.c
 205 +++ b/drivers/dma/bcm2708-dmaengine.c
 206 @@ -42,7 +42,7 @@
 207  #include <linux/io.h>
 208  #include <linux/spinlock.h>
 209
 210 -#ifndef CONFIG_OF
 211 +#ifndef CONFIG_ARCH_BCM2835
 212
 213  /* dma manager */
 214  #include <mach/dma.h>
 215 @@ -721,7 +721,7 @@ static int bcm2835_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
 216         }
 217  }
 218
 219 -#ifdef CONFIG_OF
 220 +#ifdef CONFIG_ARCH_BCM2835
 221  static int bcm2835_dma_chan_init(struct bcm2835_dmadev *d, int chan_id, int irq)
 222  {
 223         struct bcm2835_chan *c;
 224 @@ -784,7 +784,7 @@ static const struct of_device_id bcm2835_dma_of_match[] = {
 225  };
 226  MODULE_DEVICE_TABLE(of, bcm2835_dma_of_match);
 227
 228 -#ifdef CONFIG_OF
 229 +#ifdef CONFIG_ARCH_BCM2835
 230  static struct dma_chan *bcm2835_dma_xlate(struct of_phandle_args *spec,
 231                                            struct of_dma *ofdma)
 232  {
 233 @@ -817,7 +817,7 @@ static int bcm2835_dma_device_slave_caps(struct dma_chan *dchan,
 234  static int bcm2835_dma_probe(struct platform_device *pdev)
 235  {
 236         struct bcm2835_dmadev *od;
 237 -#ifdef CONFIG_OF
 238 +#ifdef CONFIG_ARCH_BCM2835
 239         struct resource *res;
 240         void __iomem *base;
 241         uint32_t chans_available;
 242 @@ -830,10 +830,10 @@ static int bcm2835_dma_probe(struct platform_device *pdev)
 243         if (!pdev->dev.dma_mask)
 244                 pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
 245
 246 -       /* If CONFIG_OF is selected, device tree is used */
 247 +       /* If CONFIG_ARCH_BCM2835 is selected, device tree is used */
 248         /* hence the difference between probing */
 249
 250 -#ifndef CONFIG_OF
 251 +#ifndef CONFIG_ARCH_BCM2835
 252
 253         rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
 254         if (rc)
 255 @@ -987,7 +987,7 @@ static int bcm2835_dma_remove(struct platform_device *pdev)
 256         return 0;
 257  }
 258
 259 -#ifndef CONFIG_OF
 260 +#ifndef CONFIG_ARCH_BCM2835
 261
 262
 263  static struct platform_driver bcm2835_dma_driver = {
 264 diff --git a/drivers/mmc/host/bcm2835-mmc.c b/drivers/mmc/host/bcm2835-mmc.c
 265 index cefba7c..34d6167 100644
 266 --- a/drivers/mmc/host/bcm2835-mmc.c
 267 +++ b/drivers/mmc/host/bcm2835-mmc.c
 268 @@ -42,7 +42,7 @@
 269  #include "sdhci.h"
 270
 271
 272 -#ifndef CONFIG_OF
 273 +#ifndef CONFIG_ARCH_BCM2835
 274   #define BCM2835_CLOCK_FREQ 250000000
 275  #endif
 276
 277 @@ -662,7 +662,7 @@ void bcm2835_mmc_send_command(struct bcm2835_host *host, struct mmc_command *cmd
 278         }
 279
 280         timeout = jiffies;
 281 -#ifdef CONFIG_OF
 282 +#ifdef CONFIG_ARCH_BCM2835
 283         if (!cmd->data && cmd->busy_timeout > 9000)
 284                 timeout += DIV_ROUND_UP(cmd->busy_timeout, 1000) * HZ + HZ;
 285         else
 286 @@ -962,7 +962,7 @@ static irqreturn_t bcm2835_mmc_irq(int irq, void *dev_id)
 287         struct bcm2835_host *host = dev_id;
 288         u32 intmask, mask, unexpected = 0;
 289         int max_loops = 16;
 290 -#ifndef CONFIG_OF
 291 +#ifndef CONFIG_ARCH_BCM2835
 292         int cardint = 0;
 293  #endif
 294
 295 @@ -993,7 +993,7 @@ static irqreturn_t bcm2835_mmc_irq(int irq, void *dev_id)
 296                                 mmc_hostname(host->mmc));
 297
 298                 if (intmask & SDHCI_INT_CARD_INT) {
 299 -#ifndef CONFIG_OF
 300 +#ifndef CONFIG_ARCH_BCM2835
 301                         cardint = 1;
 302  #else
 303                         bcm2835_mmc_enable_sdio_irq_nolock(host, false);
 304 @@ -1026,7 +1026,7 @@ out:
 305                 bcm2835_mmc_dumpregs(host);
 306         }
 307
 308 -#ifndef CONFIG_OF
 309 +#ifndef CONFIG_ARCH_BCM2835
 310         if (cardint)
 311                 mmc_signal_sdio_irq(host->mmc);
 312  #endif
 313 @@ -1034,7 +1034,7 @@ out:
 314         return result;
 315  }
 316
 317 -#ifdef CONFIG_OF
 318 +#ifdef CONFIG_ARCH_BCM2835
 319  static irqreturn_t bcm2835_mmc_thread_irq(int irq, void *dev_id)
 320  {
 321         struct bcm2835_host *host = dev_id;
 322 @@ -1288,7 +1288,7 @@ int bcm2835_mmc_add_host(struct bcm2835_host *host)
 323
 324         /* SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK */
 325         host->timeout_clk = mmc->f_max / 1000;
 326 -#ifdef CONFIG_OF
 327 +#ifdef CONFIG_ARCH_BCM2835
 328         mmc->max_busy_timeout = (1 << 27) / host->timeout_clk;
 329  #endif
 330         /* host controller capabilities */
 331 @@ -1345,7 +1345,7 @@ int bcm2835_mmc_add_host(struct bcm2835_host *host)
 332         init_waitqueue_head(&host->buf_ready_int);
 333
 334         bcm2835_mmc_init(host, 0);
 335 -#ifndef CONFIG_OF
 336 +#ifndef CONFIG_ARCH_BCM2835
 337         ret = request_irq(host->irq, bcm2835_mmc_irq, 0 /*IRQF_SHARED*/,
 338                                   mmc_hostname(mmc), host);
 339  #else
 340 @@ -1374,7 +1374,7 @@ untasklet:
 341  static int bcm2835_mmc_probe(struct platform_device *pdev)
 342  {
 343         struct device *dev = &pdev->dev;
 344 -#ifdef CONFIG_OF
 345 +#ifdef CONFIG_ARCH_BCM2835
 346         struct device_node *node = dev->of_node;
 347         struct clk *clk;
 348  #endif
 349 @@ -1383,7 +1383,7 @@ static int bcm2835_mmc_probe(struct platform_device *pdev)
 350
 351         int ret;
 352         struct mmc_host *mmc;
 353 -#if !defined(CONFIG_OF) && !defined(FORCE_PIO)
 354 +#if !defined(CONFIG_ARCH_BCM2835) && !defined(FORCE_PIO)
 355         dma_cap_mask_t mask;
 356  #endif
 357
 358 @@ -1408,7 +1408,7 @@ static int bcm2835_mmc_probe(struct platform_device *pdev)
 359
 360         host->phys_addr = iomem->start + BCM2835_VCMMU_SHIFT;
 361
 362 -#ifndef CONFIG_OF
 363 +#ifndef CONFIG_ARCH_BCM2835
 364  #ifndef FORCE_PIO
 365         dma_cap_zero(mask);
 366         /* we don't care about the channel, any would work */
 367 @@ -1458,7 +1458,7 @@ static int bcm2835_mmc_probe(struct platform_device *pdev)
 368         }
 369
 370
 371 -#ifndef CONFIG_OF
 372 +#ifndef CONFIG_ARCH_BCM2835
 373         mmc->caps |= MMC_CAP_4_BIT_DATA;
 374  #else
 375         mmc_of_parse(mmc);
 376 diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
 377 index d134710..2e2b6d0 100644
 378 --- a/drivers/of/fdt.c
 379 +++ b/drivers/of/fdt.c
 380 @@ -1083,8 +1083,12 @@ static struct debugfs_blob_wrapper flat_dt_blob;
 381
 382  static int __init of_flat_dt_debugfs_export_fdt(void)
 383  {
 384 -       struct dentry *d = debugfs_create_dir("device-tree", NULL);
 385 +       struct dentry *d;
 386
 387 +       if (!initial_boot_params)
 388 +               return -ENOENT;
 389 +
 390 +       d = debugfs_create_dir("device-tree", NULL);
 391         if (!d)
 392                 return -ENOENT;
 393
 394 diff --git a/sound/soc/bcm/bcm2708-i2s.c b/sound/soc/bcm/bcm2708-i2s.c
 395 index 0b5322a..a3b65dc 100644
 396 --- a/sound/soc/bcm/bcm2708-i2s.c
 397 +++ b/sound/soc/bcm/bcm2708-i2s.c
 398 @@ -493,15 +493,19 @@ static int bcm2708_i2s_hw_params(struct snd_pcm_substream *substream,
 399                 divf = dividend & BCM2708_CLK_DIVF_MASK;
 400         }
 401
 402 -       /* Set clock divider */
 403 -       regmap_write(dev->clk_regmap, BCM2708_CLK_PCMDIV_REG, BCM2708_CLK_PASSWD
 404 -                       | BCM2708_CLK_DIVI(divi)
 405 -                       | BCM2708_CLK_DIVF(divf));
 406 -
 407 -       /* Setup clock, but don't start it yet */
 408 -       regmap_write(dev->clk_regmap, BCM2708_CLK_PCMCTL_REG, BCM2708_CLK_PASSWD
 409 -                       | BCM2708_CLK_MASH(mash)
 410 -                       | BCM2708_CLK_SRC(clk_src));
 411 +       /* Clock should only be set up here if CPU is clock master */
 412 +       if (((dev->fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBS_CFS) ||
 413 +           ((dev->fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBS_CFM)) {
 414 +               /* Set clock divider */
 415 +               regmap_write(dev->clk_regmap, BCM2708_CLK_PCMDIV_REG, BCM2708_CLK_PASSWD
 416 +                               | BCM2708_CLK_DIVI(divi)
 417 +                               | BCM2708_CLK_DIVF(divf));
 418 +
 419 +               /* Setup clock, but don't start it yet */
 420 +               regmap_write(dev->clk_regmap, BCM2708_CLK_PCMCTL_REG, BCM2708_CLK_PASSWD
 421 +                               | BCM2708_CLK_MASH(mash)
 422 +                               | BCM2708_CLK_SRC(clk_src));
 423 +       }
 424
 425         /* Setup the frame format */
 426         format = BCM2708_I2S_CHEN;
 427 @@ -981,12 +985,19 @@ static int bcm2708_i2s_remove(struct platform_device *pdev)
 428         return 0;
 429  }
 430
 431 +static const struct of_device_id bcm2708_i2s_of_match[] = {
 432 +       { .compatible = "brcm,bcm2708-i2s", },
 433 +       {},
 434 +};
 435 +MODULE_DEVICE_TABLE(of, bcm2708_i2s_of_match);
 436 +
 437  static struct platform_driver bcm2708_i2s_driver = {
 438         .probe          = bcm2708_i2s_probe,
 439         .remove         = bcm2708_i2s_remove,
 440         .driver         = {
 441                 .name   = "bcm2708-i2s",
 442                 .owner  = THIS_MODULE,
 443 +               .of_match_table = bcm2708_i2s_of_match,
 444         },
 445  };
 446
 447 diff --git a/sound/soc/bcm/bcm2835-i2s.c b/sound/soc/bcm/bcm2835-i2s.c
 448 index 2685fe4..e2c61d1 100644
 449 --- a/sound/soc/bcm/bcm2835-i2s.c
 450 +++ b/sound/soc/bcm/bcm2835-i2s.c
 451 @@ -861,6 +861,7 @@ static const struct of_device_id bcm2835_i2s_of_match[] = {
 452         { .compatible = "brcm,bcm2835-i2s", },
 453         {},
 454  };
 455 +MODULE_DEVICE_TABLE(of, bcm2835_i2s_of_match);
 456
 457  static struct platform_driver bcm2835_i2s_driver = {
 458         .probe          = bcm2835_i2s_probe,
 459 --
 460 1.8.3.2
 461