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authorRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>2015-01-28 13:23:44 +0100
committerMark Brown <broonie@kernel.org>2015-01-28 19:42:42 +0000
commit5fe11cc09ce81b000b1deadcdec3813fcb423c8c (patch)
tree030a436c3e6e28e80579c629aa398fc0655605e8 /drivers/spi/spi-fsl-lib.c
parent5b74d7a3b888fd3db6dce77eb11b3d55b64f6833 (diff)
spi/xilinx: Support cores with no interrupt
The core can run in polling mode. In fact, the performance of the core is similar (or even better), due to the fact most of the spi transactions are just a couple of bytes and there is one irq per transactions. When an mtd device is connected via spi, reading 8MB of data produces more than 80K interrupts (with irq disabling, context swith....) Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-lib.c')
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