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ASoC: Fix DaVinci module unload error

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Fix for the error when the audio module is unloaded.  On unregistering
the platform_device, platform_device_release will free the platform
data.If platform data is static the kernel panics when it is freed.
Instead use the platform device helper function to add data.

This change has been tested on DM644x EVM, DM644x SFFSDR and DM355 EVM.

Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kevin Hilman 2009-02-13 11:36:37 -08:00 committed by Mark Brown
parent f1464ede55
commit bf3dbe5c8c
2 changed files with 4 additions and 2 deletions
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3
sound/soc/davinci/davinci-evm.c
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@ -186,7 +186,8 @@ static int __init evm_init(void)
platform_set_drvdata(evm_snd_device, &evm_snd_devdata); platform_set_drvdata(evm_snd_device, &evm_snd_devdata);
evm_snd_devdata.dev = &evm_snd_device->dev; evm_snd_devdata.dev = &evm_snd_device->dev;
evm_snd_device->dev.platform_data = &evm_snd_data; platform_device_add_data(evm_snd_device, &evm_snd_data,
sizeof(evm_snd_data));
ret = platform_device_add_resources(evm_snd_device, evm_snd_resources, ret = platform_device_add_resources(evm_snd_device, evm_snd_resources,
ARRAY_SIZE(evm_snd_resources)); ARRAY_SIZE(evm_snd_resources));

3
sound/soc/davinci/davinci-sffsdr.c
View file

@ -141,7 +141,8 @@ static int __init sffsdr_init(void)
platform_set_drvdata(sffsdr_snd_device, &sffsdr_snd_devdata); platform_set_drvdata(sffsdr_snd_device, &sffsdr_snd_devdata);
sffsdr_snd_devdata.dev = &sffsdr_snd_device->dev; sffsdr_snd_devdata.dev = &sffsdr_snd_device->dev;
sffsdr_snd_device->dev.platform_data = &sffsdr_snd_data; platform_device_add_data(sffsdr_snd_device, &sffsdr_snd_data,
sizeof(sffsdr_snd_data));
ret = platform_device_add_resources(sffsdr_snd_device, ret = platform_device_add_resources(sffsdr_snd_device,
sffsdr_snd_resources, sffsdr_snd_resources,