mmc: fix detection of memory part of SD-combo card with broken SDIO
In case of failure, mmc_attach_sdio() will power off the SD bus.
Power it up and reinitialize before trying SD memory detection.
Reported-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 241ffb2..97e0624 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1569,6 +1569,11 @@
* Try SDMEM (but not MMC) even if SDIO
* is broken.
*/
+ mmc_power_up(host);
+ sdio_reset(host);
+ mmc_go_idle(host);
+ mmc_send_if_cond(host, host->ocr_avail);
+
if (mmc_send_app_op_cond(host, 0, &ocr))
goto out_fail;