From: "Bao D. Nguyen" <nguyenb@codeaurora.org>
To: ulf.hansson@linaro.org, robh+dt@kernel.org
Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
asutoshd@codeaurora.org, cang@codeaurora.org,
"Bao D. Nguyen" <nguyenb@codeaurora.org>
Subject: [<PATCH v1> 1/9] mmc: core: Add a cap to use long discard size
Date: Mon, 16 Dec 2019 18:50:34 -0800 [thread overview]
Message-ID: <628141610bd44235b0cea04ff110dd4c67027aba.1576540907.git.nguyenb@codeaurora.org> (raw)
In-Reply-To: <cover.1576540906.git.nguyenb@codeaurora.org>
In-Reply-To: <cover.1576540906.git.nguyenb@codeaurora.org>
Add MMC_CAP2_MAX_DISCARD_SIZE cap which allows setting the max
discard size value if needed.
Setting a high value for the max discard size is to fix an issue where
some SD cards take a long time to perform the card format.
Signed-off-by: Bao D. Nguyen <nguyenb@codeaurora.org>
---
include/linux/mmc/host.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index ba70338..f1a767d 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -348,6 +348,7 @@ struct mmc_host {
#define MMC_CAP2_FULL_PWR_CYCLE (1 << 2) /* Can do full power cycle */
#define MMC_CAP2_HS200_1_8V_SDR (1 << 5) /* can support */
#define MMC_CAP2_HS200_1_2V_SDR (1 << 6) /* can support */
+#define MMC_CAP2_MAX_DISCARD_SIZE (1 << 8) /* use max discard, ignoring max_busy_timeout parameter */
#define MMC_CAP2_HS200 (MMC_CAP2_HS200_1_8V_SDR | \
MMC_CAP2_HS200_1_2V_SDR)
#define MMC_CAP2_CD_ACTIVE_HIGH (1 << 10) /* Card-detect signal active high */
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2019-12-17 2:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-17 2:50 [<PATCH v1> 0/9] SD card bug fixes Bao D. Nguyen
2019-12-17 2:50 ` Bao D. Nguyen [this message]
2019-12-17 7:09 ` [<PATCH v1> 1/9] mmc: core: Add a cap to use long discard size Ulf Hansson
2019-12-17 2:50 ` [<PATCH v1> 2/9] mmc: core: allow hosts to specify a large " Bao D. Nguyen
2019-12-17 2:50 ` [<PATCH v1> 3/9] mmc: host: Add device_prepare pm for mmc_host Bao D. Nguyen
2019-12-17 2:50 ` [<PATCH v1> 4/9] mmc: core: fix SD card request queue refcount underflow during shutdown Bao D. Nguyen
2019-12-18 8:33 ` Greg KH
2019-12-17 2:50 ` [<PATCH v1> 5/9] mmc: core: fix one NULL pointer dereference after SD card is removed Bao D. Nguyen
2019-12-17 2:50 ` [<PATCH v1> 6/9] mmc: sdhci-msm: Ignore data timeout error for R1B commands Bao D. Nguyen
2019-12-18 8:34 ` Greg KH
2019-12-17 2:50 ` [<PATCH v1> 7/9] mmc: core: Skip frequency retries for SDCC slots Bao D. Nguyen
2019-12-18 8:34 ` Greg KH
2019-12-18 11:48 ` Ulf Hansson
2019-12-18 12:04 ` Greg Kroah-Hartman
2019-12-18 13:12 ` Ulf Hansson
2019-12-17 2:50 ` [<PATCH v1> 8/9] mmc: core: remove shutdown handler Bao D. Nguyen
2019-12-17 2:50 ` [<PATCH v1> 9/9] mmc: sd: Fix trivial SD card issues Bao D. Nguyen
2019-12-18 8:29 ` Greg KH
2019-12-18 20:16 ` nguyenb
2019-12-18 8:21 ` [<PATCH v1> 0/9] SD card bug fixes Greg KH
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