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mmcsd: fix cmd6 timeout error when repeat calling

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If CMD6 is sent again before last transmission is complete, a timeout
error will be encountered.

Signed-off-by: wanggang26 <wanggang26@xiaomi.com>
This commit is contained in:
wanggang26
2023-10-12 22:09:39 +08:00
committed by Xiang Xiao
parent 9ef76e3735
commit ce1d047845
1 changed files with 11 additions and 1 deletions
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drivers/mmcsd/mmcsd_sdio.c
+11 -1
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@@ -1047,7 +1047,7 @@ static int mmcsd_switch(FAR struct mmcsd_state_s *priv, uint32_t arg)
* CMD6(SWITCH) to set the PARTITION_ACCESS bits in the EXT_CSD * CMD6(SWITCH) to set the PARTITION_ACCESS bits in the EXT_CSD
* register, byte[179].After that, master can use the Multiple Block * register, byte[179].After that, master can use the Multiple Block
* read and write commands (CMD23, CMD18 and CMD25) to access the * read and write commands (CMD23, CMD18 and CMD25) to access the
* RPMB partition. * specified partition.
* PARTITION_CONFIG[179](see 7.4.69) * PARTITION_CONFIG[179](see 7.4.69)
* Bit[2:0] : PARTITION_ACCESS (before BOOT_PARTITION_ACCESS) * Bit[2:0] : PARTITION_ACCESS (before BOOT_PARTITION_ACCESS)
* User selects partitions to access: * User selects partitions to access:
@@ -1073,7 +1073,17 @@ static int mmcsd_switch(FAR struct mmcsd_state_s *priv, uint32_t arg)
* [2:0] Cmd Set * [2:0] Cmd Set
*/ */
int ret;
ret = mmcsd_transferready(priv);
if (ret != OK)
{
ferr("ERROR: Card not ready: %d\n", ret);
return ret;
}
mmcsd_sendcmdpoll(priv, MMCSD_CMD6, arg); mmcsd_sendcmdpoll(priv, MMCSD_CMD6, arg);
priv->wrbusy = true;
return mmcsd_recv_r1(priv, MMCSD_CMD6); return mmcsd_recv_r1(priv, MMCSD_CMD6);
} }