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| /rk3399_rockchip-uboot/drivers/spi/ |
| H A D | kirkwood_spi.c | 8203b201eaa1b33758956294b3ec70b326f8ba5c Wed Aug 15 05:31:49 UTC 2012 Valentin Longchamp <valentin.longchamp@keymile.com> kw_spi: fix clock prescaler computation
The computation was not correct with low clock values: setting a 1MHz
clock would result in an overlap that would then configure a 25Mhz
clock.
This patch implements a correct computation method according to the
kirkwood functionnal spec. table 600 (Serial Memory Interface
Configuration Register).
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
Acked-by: Prafulla Wadaskar <Prafulla@marvell.com>
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
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