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| /rk3399_rockchip-uboot/drivers/mmc/ |
| H A D | dw_mmc.c | 34d21c9ad8bfc75e132533de6de366cf6f633ae1 Tue Jan 19 02:23:36 UTC 2021 Jason Zhu <jason.zhu@rock-chips.com> UPSTREAM: mmc: dw_mmc: Calculate timeout from transfer length
The current 4-minute data transfer timeout is misleading and broken.
Instead of such a long wait, calculate the timeout duration based on
the length of the data transfer. The current formula is the transfer
length in bits, divided by a multiplication of bus frequency in Hz,
bus width, DDR mode and converted the mSec. The value is bounded from
the bottom to 10000 mSec.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Jason Zhu <jason.zhu@rock-chips.com>
Change-Id: I168b6ceba917d3e621559a92a63fac78abca6bff
(cherry picked from commit 4e16f0a67d80b4ce11995b870b5d9c8d11266d0d)
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