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| author | Matthias Seidel <kernel@mseidel.net> | 2016-09-04 03:04:49 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-09-06 13:53:50 +0300 |
| commit | 13b10301b858e355613bfc6dc297580bf34d3fb5 (patch) | |
| tree | be671ff360bb3c0f4c88982f6c64ed8a36193692 /drivers/spi/spi-dw.h | |
| parent | 29b4817d4018df78086157ea3a55c1d9424a7cfc (diff) | |
| download | linux-13b10301b858e355613bfc6dc297580bf34d3fb5.tar.xz | |
spi: dw: fix multiple slaves with different baudrates
Add current master clock to dws struct and compare it against the
requestedtransfer speed. Update clock divider only if necessary.
Signed-off-by: Matthias Seidel <kernel@mseidel.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-dw.h')
| -rw-r--r-- | drivers/spi/spi-dw.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h index 61bc3cbab38d..c21ca02f8ec5 100644 --- a/drivers/spi/spi-dw.h +++ b/drivers/spi/spi-dw.h @@ -123,6 +123,7 @@ struct dw_spi { u8 n_bytes; /* current is a 1/2 bytes op */ u32 dma_width; irqreturn_t (*transfer_handler)(struct dw_spi *dws); + u32 current_freq; /* frequency in hz */ /* DMA info */ int dma_inited; |