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Abstracted out part of the concept of an SPI device to a generalised NVS

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device.

Separated the mechanisms of non-volatile storage access and non-volatile
stored options.
This commit is contained in:
Michael Brown
2006-12-04 18:23:06 +00:00
parent dc06c895fc
commit 946967f09c
12 changed files with 275 additions and 240 deletions
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5
src/drivers/nvs/threewire.c
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@@ -28,14 +28,15 @@
/** Read data from three-wire device
*
* @v device SPI device
* @v nvs NVS device
* @v address Address from which to read
* @v data Data buffer
* @v len Length of data buffer
* @ret rc Return status code
*/
int threewire_read ( struct spi_device *device, unsigned int address,
int threewire_read ( struct nvs_device *nvs, unsigned int address,
void *data, size_t len ) {
struct spi_device *device = nvs_to_spi ( nvs );
struct spi_bus *bus = device->bus;
assert ( bus->mode == SPI_MODE_THREEWIRE );