From: Adrian Hunter <adrian.hunter@intel.com>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc <linux-mmc@vger.kernel.org>,
linux-block <linux-block@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Bough Chen <haibo.chen@nxp.com>,
Alex Lemberg <alex.lemberg@sandisk.com>,
Mateusz Nowak <mateusz.nowak@intel.com>,
Yuliy Izrailov <Yuliy.Izrailov@sandisk.com>,
Jaehoon Chung <jh80.chung@samsung.com>,
Dong Aisheng <dongas86@gmail.com>,
Das Asutosh <asutoshd@codeaurora.org>,
Zhangfei Gao <zhangfei.gao@gmail.com>,
Sahitya Tummala <stummala@codeaurora.org>,
Harjani Ritesh <riteshh@codeaurora.org>,
Venu Byravarasu <vbyravarasu@nvidia.com>,
Linus Walleij <linus.walleij@linaro.org>,
Shawn Lin <shawn.lin@rock-chips.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Christoph Hellwig <hch@lst.de>
Subject: [PATCH V15 12/22] mmc: block: Make card_busy_detect() accumulate all response error bits
Date: Wed, 29 Nov 2017 15:41:09 +0200 [thread overview]
Message-ID: <1511962879-24262-13-git-send-email-adrian.hunter@intel.com> (raw)
In-Reply-To: <1511962879-24262-1-git-send-email-adrian.hunter@intel.com>
Make card_busy_detect() accumulate all response error bits. Later patches
will make use of this.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
drivers/mmc/core/block.c | 39 +++++++++++++++++++++++++++++----------
1 file changed, 29 insertions(+), 10 deletions(-)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 6d2c42c1c33a..30fc012353ae 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -923,7 +923,8 @@ static int mmc_sd_num_wr_blocks(struct mmc_card *card, u32 *written_blocks)
}
static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
- bool hw_busy_detect, struct request *req, bool *gen_err)
+ bool hw_busy_detect, struct request *req,
+ u32 *resp_errs)
{
unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
int err = 0;
@@ -937,11 +938,9 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
return err;
}
- if (status & R1_ERROR) {
- pr_err("%s: %s: error sending status cmd, status %#x\n",
- req->rq_disk->disk_name, __func__, status);
- *gen_err = true;
- }
+ /* Accumulate any response error bits seen */
+ if (resp_errs)
+ *resp_errs |= status;
/* We may rely on the host hw to handle busy detection.*/
if ((card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) &&
@@ -970,6 +969,24 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
return err;
}
+static int card_busy_detect_err(struct mmc_card *card, unsigned int timeout_ms,
+ bool hw_busy_detect, struct request *req,
+ bool *gen_err)
+{
+ u32 resp_errs = 0;
+ int err;
+
+ err = card_busy_detect(card, timeout_ms, hw_busy_detect, req,
+ &resp_errs);
+ if (resp_errs & R1_ERROR) {
+ pr_err("%s: %s: error sending status cmd, status %#x\n",
+ req->rq_disk->disk_name, __func__, resp_errs);
+ *gen_err = true;
+ }
+
+ return err;
+}
+
static int send_stop(struct mmc_card *card, unsigned int timeout_ms,
struct request *req, bool *gen_err, u32 *stop_status)
{
@@ -1012,7 +1029,8 @@ static int send_stop(struct mmc_card *card, unsigned int timeout_ms,
*gen_err = true;
}
- return card_busy_detect(card, timeout_ms, use_r1b_resp, req, gen_err);
+ return card_busy_detect_err(card, timeout_ms, use_r1b_resp, req,
+ gen_err);
}
#define ERR_NOMEDIUM 3
@@ -1553,8 +1571,8 @@ static enum mmc_blk_status __mmc_blk_err_check(struct mmc_card *card,
gen_err = true;
}
- err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, false, req,
- &gen_err);
+ err = card_busy_detect_err(card, MMC_BLK_TIMEOUT_MS, false, req,
+ &gen_err);
if (err)
return MMC_BLK_CMD_ERR;
}
@@ -2148,7 +2166,8 @@ static int mmc_blk_card_busy(struct mmc_card *card, struct request *req)
if (mmc_host_is_spi(card->host) || rq_data_dir(req) == READ)
return 0;
- err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, false, req, &gen_err);
+ err = card_busy_detect_err(card, MMC_BLK_TIMEOUT_MS, false, req,
+ &gen_err);
/* Copy the general error bit so it will be seen later on */
if (gen_err) {
--
1.9.1
next prev parent reply other threads:[~2017-11-29 13:42 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-29 13:40 [PATCH V15 00/22] mmc: Add Command Queue support Adrian Hunter
2017-11-29 13:40 ` [PATCH V15 01/22] mmc: block: No need to export mmc_cleanup_queue() Adrian Hunter
2017-11-29 13:40 ` [PATCH V15 02/22] mmc: block: Simplify cleaning up the queue Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 03/22] mmc: core: Make mmc_pre_req() and mmc_post_req() available Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 04/22] mmc: block: Add error-handling comments Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 05/22] mmc: core: Add parameter use_blk_mq Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 06/22] mmc: block: Add blk-mq support Adrian Hunter
2018-02-21 20:50 ` Dmitry Osipenko
2018-02-22 7:42 ` Adrian Hunter
2018-02-22 17:54 ` Dmitry Osipenko
2018-02-26 21:48 ` Dmitry Osipenko
2018-02-27 8:57 ` Linus Walleij
2018-02-27 12:04 ` Dmitry Osipenko
2018-02-27 9:28 ` Adrian Hunter
2018-03-01 8:55 ` EXT4 Oops (Re: [PATCH V15 06/22] mmc: block: Add blk-mq support) Adrian Hunter
2018-03-01 9:15 ` Jose R R
2018-03-01 16:07 ` Theodore Ts'o
2018-03-01 16:04 ` Theodore Ts'o
2018-03-01 20:20 ` Andreas Dilger
2018-03-02 16:39 ` Dmitry Osipenko
2018-03-06 0:48 ` Dmitry Osipenko
2017-11-29 13:41 ` [PATCH V15 07/22] mmc: block: Add CQE support Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 08/22] mmc: cqhci: support for command queue enabled host Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 09/22] mmc: sdhci-pci: Add CQHCI support for Intel GLK Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 10/22] mmc: block: blk-mq: Add support for direct completion Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 11/22] mmc: block: blk-mq: Separate card polling from recovery Adrian Hunter
2017-11-29 13:41 ` Adrian Hunter [this message]
2017-11-29 13:41 ` [PATCH V15 13/22] mmc: block: blk-mq: Check error bits and save the exception bit when polling card busy Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 14/22] mmc: block: Check the timeout correctly in card_busy_detect() Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 15/22] mmc: block: Check for transfer state " Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 16/22] mmc: block: Add timeout_clks when calculating timeout Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 17/22] mmc: block: Reduce polling timeout from 10 minutes to 10 seconds Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 18/22] mmc: block: blk-mq: Stop using legacy recovery Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 19/22] mmc: mmc_test: Do not use mmc_start_areq() anymore Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 20/22] mmc: core: Remove option not to use blk-mq Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 21/22] mmc: block: Remove code no longer needed after the switch to blk-mq Adrian Hunter
2017-11-29 13:41 ` [PATCH V15 22/22] mmc: core: " Adrian Hunter
2017-11-29 15:47 ` [PATCH V15 00/22] mmc: Add Command Queue support Ulf Hansson
2017-12-01 13:13 ` Adrian Hunter
2017-12-05 10:10 ` Linus Walleij
2017-12-05 15:53 ` Ulf Hansson
2017-12-11 12:28 ` Ulf Hansson
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