AcoSail/kernel_optimize_test
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ASoC: Allow use of resource from the platform device for S3C IISv2

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2009-04-30 13:09:33 +01:00
parent 07736d4805
commit c86bde5406
1 changed files with 18 additions and 0 deletions
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18
sound/soc/s3c24xx/s3c-i2s-v2.c
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@ -580,6 +580,24 @@ int s3c_i2sv2_probe(struct platform_device *pdev,
/* record our i2s structure for later use in the callbacks */
dai->private_data = i2s;
if (!base) {
struct resource *res = platform_get_resource(pdev,
IORESOURCE_MEM,
0);
if (!res) {
dev_err(dev, "Unable to get register resource\n");
return -ENXIO;
}
if (!request_mem_region(res->start, resource_size(res),
"s3c64xx-i2s-v4")) {
dev_err(dev, "Unable to request register region\n");
return -EBUSY;
}
base = res->start;
}
i2s->regs = ioremap(base, 0x100);
if (i2s->regs == NULL) {
dev_err(dev, "cannot ioremap registers\n");