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Patch to support cheap / slow mmc card during kernel loading

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yovio 2016-02-25 11:05:08 +08:00
parent 320d6bfe2b
commit e84cc68218
1 changed files with 12 additions and 0 deletions
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12
patch/u-boot/u-boot-default/u-boot-02-support-cheap-mmc.patch Normal file
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@ -0,0 +1,12 @@
diff -Nur a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
--- a/drivers/mmc/sunxi_mmc.c 2016-02-25 10:30:30.000000000 +0800
+++ b//drivers/mmc/sunxi_mmc.c 2016-02-25 10:46:07.723851155 +0800
@@ -269,6 +269,6 @@
unsigned i;
unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
unsigned byte_cnt = data->blocksize * data->blocks;
- unsigned timeout_msecs = byte_cnt >> 8;
+ unsigned timeout_msecs = byte_cnt >> 6;
if (timeout_msecs < 2000)
timeout_msecs = 2000;