add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mmc/core/block.c
..
..
@@ -256,6 +256,7 @@
256
256
 		goto out_put;
257
257
 	}
258
258
 	req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_BOOT_WP;
259
+	req_to_mmc_queue_req(req)->drv_op_result = -EIO;
259
260
 	blk_execute_rq(mq->queue, NULL, req, 0);
260
261
 	ret = req_to_mmc_queue_req(req)->drv_op_result;
261
262
 	blk_put_request(req);
..
..
@@ -415,7 +416,7 @@
415
416
 static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
416
417
 			    u32 *resp_errs)
417
418
 {
418
-	unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
419
+	unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms > 2000 ? 2000 : timeout_ms);
419
420
 	int err = 0;
420
421
 	u32 status;
421
422
 
..
..
@@ -649,6 +650,7 @@
649
650
 	idatas[0] = idata;
650
651
 	req_to_mmc_queue_req(req)->drv_op =
651
652
 		rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL;
653
+	req_to_mmc_queue_req(req)->drv_op_result = -EIO;
652
654
 	req_to_mmc_queue_req(req)->drv_op_data = idatas;
653
655
 	req_to_mmc_queue_req(req)->ioc_count = 1;
654
656
 	blk_execute_rq(mq->queue, NULL, req, 0);
..
..
@@ -718,6 +720,7 @@
718
720
 	}
719
721
 	req_to_mmc_queue_req(req)->drv_op =
720
722
 		rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL;
723
+	req_to_mmc_queue_req(req)->drv_op_result = -EIO;
721
724
 	req_to_mmc_queue_req(req)->drv_op_data = idata;
722
725
 	req_to_mmc_queue_req(req)->ioc_count = num_of_cmds;
723
726
 	blk_execute_rq(mq->queue, NULL, req, 0);
..
..
@@ -1781,8 +1784,15 @@
1781
1784
 	 * bytes transferred to zero in that case.
1782
1785
 	 */
1783
1786
 	err = __mmc_send_status(card, &status, 0);
1784
-	if (err || mmc_blk_status_error(req, status))
1787
+	if (err || mmc_blk_status_error(req, status)) {
1785
1788
 		brq->data.bytes_xfered = 0;
1789
+		if (mmc_card_sd(card) && !mmc_card_removed(card)) {
1790
+			mmc_blk_reset_success(mq->blkdata, type);
1791
+			if (!mmc_blk_reset(md, card->host, type))
1792
+				return;
1793
+			pr_err("%s: pre recovery failed!\n", req->rq_disk->disk_name);
1794
+		}
1795
+	}
1786
1796
 
1787
1797
 	mmc_retune_release(card->host);
1788
1798
 
..
..
@@ -1996,14 +2006,14 @@
1996
2006
 	mmc_blk_urgent_bkops(mq, mqrq);
1997
2007
 }
1998
2008
 
1999
-static void mmc_blk_mq_dec_in_flight(struct mmc_queue *mq, struct request *req)
2009
+static void mmc_blk_mq_dec_in_flight(struct mmc_queue *mq, enum mmc_issue_type issue_type)
2000
2010
 {
2001
2011
 	unsigned long flags;
2002
2012
 	bool put_card;
2003
2013
 
2004
2014
 	spin_lock_irqsave(&mq->lock, flags);
2005
2015
 
2006
-	mq->in_flight[mmc_issue_type(mq, req)] -= 1;
2016
+	mq->in_flight[issue_type] -= 1;
2007
2017
 
2008
2018
 	put_card = (mmc_tot_in_flight(mq) == 0);
2009
2019
 
..
..
@@ -2015,6 +2025,7 @@
2015
2025
 
2016
2026
 static void mmc_blk_mq_post_req(struct mmc_queue *mq, struct request *req)
2017
2027
 {
2028
+	enum mmc_issue_type issue_type = mmc_issue_type(mq, req);
2018
2029
 	struct mmc_queue_req *mqrq = req_to_mmc_queue_req(req);
2019
2030
 	struct mmc_request *mrq = &mqrq->brq.mrq;
2020
2031
 	struct mmc_host *host = mq->card->host;
..
..
@@ -2030,7 +2041,7 @@
2030
2041
 	else if (likely(!blk_should_fake_timeout(req->q)))
2031
2042
 		blk_mq_complete_request(req);
2032
2043
 
2033
-	mmc_blk_mq_dec_in_flight(mq, req);
2044
+	mmc_blk_mq_dec_in_flight(mq, issue_type);
2034
2045
 }
2035
2046
 
2036
2047
 void mmc_blk_mq_recovery(struct mmc_queue *mq)
..
..
@@ -2768,6 +2779,7 @@
2768
2779
 	if (IS_ERR(req))
2769
2780
 		return PTR_ERR(req);
2770
2781
 	req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_CARD_STATUS;
2782
+	req_to_mmc_queue_req(req)->drv_op_result = -EIO;
2771
2783
 	blk_execute_rq(mq->queue, NULL, req, 0);
2772
2784
 	ret = req_to_mmc_queue_req(req)->drv_op_result;
2773
2785
 	if (ret >= 0) {
..
..
@@ -2806,6 +2818,7 @@
2806
2818
 		goto out_free;
2807
2819
 	}
2808
2820
 	req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_EXT_CSD;
2821
+	req_to_mmc_queue_req(req)->drv_op_result = -EIO;
2809
2822
 	req_to_mmc_queue_req(req)->drv_op_data = &ext_csd;
2810
2823
 	blk_execute_rq(mq->queue, NULL, req, 0);
2811
2824
 	err = req_to_mmc_queue_req(req)->drv_op_result;