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| author | Lubomir Rintel <lkundrak@v3.sk> | 2018-11-13 11:22:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-11-13 19:02:09 +0100 |
| commit | 77d33897c68d56797a3201e06bdf10e2094a96d6 (patch) | |
| tree | 8b762b220b3a3b7d72d2987fc844295dfb06cb98 /drivers/spi/spi-stm32-qspi.c | |
| parent | spi: pxa2xx: dt-bindings: Add ready GPIO signal (diff) | |
| download | linux-77d33897c68d56797a3201e06bdf10e2094a96d6.tar.xz linux-77d33897c68d56797a3201e06bdf10e2094a96d6.zip | |
spi: pxa2xx: Add ready signal
Strobe a GPIO line when the slave TX FIFO is filled. This is how the
Embedded Controller on an OLPC XO-1.75 machine, that happens to be a SPI
master, learns that it can initiate a transaction.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Tested-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-stm32-qspi.c')
0 files changed, 0 insertions, 0 deletions