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| author | Michael Brown | 2006-12-04 19:23:06 +0100 |
|---|---|---|
| committer | Michael Brown | 2006-12-04 19:23:06 +0100 |
| commit | 946967f09ce0ab9ab438a0647d393601dd0fca23 (patch) | |
| tree | 0e133cb2d481d3e683ecc5be7dcfa0610eaf2f79 /src/drivers/nvs/threewire.c | |
| parent | Changed length parameter in SPI methods to be a byte length, rather than (diff) | |
| download | ipxe-946967f09ce0ab9ab438a0647d393601dd0fca23.tar.gz ipxe-946967f09ce0ab9ab438a0647d393601dd0fca23.tar.xz ipxe-946967f09ce0ab9ab438a0647d393601dd0fca23.zip | |
Abstracted out part of the concept of an SPI device to a generalised NVS
device.
Separated the mechanisms of non-volatile storage access and non-volatile
stored options.
Diffstat (limited to 'src/drivers/nvs/threewire.c')
| -rw-r--r-- | src/drivers/nvs/threewire.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/drivers/nvs/threewire.c b/src/drivers/nvs/threewire.c index 552c3b46..043cc8fc 100644 --- a/src/drivers/nvs/threewire.c +++ b/src/drivers/nvs/threewire.c @@ -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 ); |