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update SDIO driver 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2027 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
luohui2320@gmail.com 2012-04-08 15:20:36 +00:00
parent 7f98c2e5e9
commit 9c804a28a4
1 changed files with 5 additions and 0 deletions
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5
components/drivers/sdio/mmcsd_core.c
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@ -622,6 +622,11 @@ struct rt_mmcsd_host *mmcsd_alloc_host(void)
rt_memset(host, 0, sizeof(struct rt_mmcsd_host));
host->max_seg_size = 65535;
host->max_dma_segs = 1;
host->max_blk_size = 512;
host->max_blk_count = 4096;
rt_sem_init(&host->bus_lock, "sd_bus_lock", 1, RT_IPC_FLAG_FIFO);
rt_sem_init(&host->sem_ack, "sd_ack", 0, RT_IPC_FLAG_FIFO);