提交 cda56ac2 编写于 作者: A Adrian Hunter 提交者: Pierre Ossman

mmc: fix data timeout for SEND_EXT_CSD

Commit 0d3e0460
"MMC: CSD and CID timeout values" inadvertently broke
the timeout for the MMC command SEND_EXT_CSD.

This patch puts it back again.

Depending on the characteristics of the controller,
this bug may prevent the use of MMC cards.
Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
上级 559595a9
......@@ -248,12 +248,15 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
sg_init_one(&sg, data_buf, len);
/*
* The spec states that CSR and CID accesses have a timeout
* of 64 clock cycles.
*/
data.timeout_ns = 0;
data.timeout_clks = 64;
if (opcode == MMC_SEND_CSD || opcode == MMC_SEND_CID) {
/*
* The spec states that CSR and CID accesses have a timeout
* of 64 clock cycles.
*/
data.timeout_ns = 0;
data.timeout_clks = 64;
} else
mmc_set_data_timeout(&data, card);
mmc_wait_for_req(host, &mrq);
......
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