mms: rk_sdmmc_ops: support resume and suspend

Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com> Change-Id: Idb3168b4b33cf1251390b783c1aa798db39782da
2023-07-18 16:12:34 +08:00
parent 5d45ac929f
commit 5ff437c200
1 changed files with 5 additions and 0 deletions
@@ -22,6 +22,8 @@
 #include <linux/seq_file.h>
 #include <linux/mutex.h>
 #include <linux/miscdevice.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
 #include "../core/block.h"
 #include "../core/card.h"
 #include "../core/core.h"
@@ -154,6 +156,7 @@ int rk_emmc_transfer(u8 *buffer, unsigned int addr, unsigned int datasz, int wri

 	rk_emmc_prepare_mrq(&mrq, &sg, 1, addr, datasz / BLKSZ, BLKSZ, write);

+	pm_runtime_get_sync(&this_card->dev);
 	mmc_claim_host(this_card->host);

 	if (this_card->ext_csd.cmdq_en) {
@@ -196,6 +199,8 @@ exit:
 		mmc_cmdq_enable(this_card);

 	mmc_release_host(this_card->host);
+	pm_runtime_put(&this_card->dev);
+
 	return ret;
 }
 EXPORT_SYMBOL(rk_emmc_transfer);