From: Baolin Wang <baolin.wang7@gmail.com>
To: adrian.hunter@intel.com, ulf.hansson@linaro.org, asutoshd@codeaurora.org
Cc: orsonzhai@gmail.com, zhang.lyra@gmail.com, arnd@arndb.de,
linus.walleij@linaro.org, baolin.wang@linaro.org,
baolin.wang7@gmail.com, linux-mmc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v9 5/5] mmc: host: sdhci-sprd: Add software queue support
Date: Wed, 12 Feb 2020 12:13:00 +0800 [thread overview]
Message-ID: <f629b32943aae9e30ffa17acf4af06c270417001.1581478569.git.baolin.wang7@gmail.com> (raw)
In-Reply-To: <cover.1581478568.git.baolin.wang7@gmail.com>
In-Reply-To: <cover.1581478568.git.baolin.wang7@gmail.com>
From: Baolin Wang <baolin.wang@linaro.org>
Add software queue support to improve the performance.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
---
drivers/mmc/host/Kconfig | 1 +
drivers/mmc/host/sdhci-sprd.c | 28 ++++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 65d3966..3ea45be 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -645,6 +645,7 @@ config MMC_SDHCI_SPRD
depends on ARCH_SPRD
depends on MMC_SDHCI_PLTFM
select MMC_SDHCI_IO_ACCESSORS
+ select MMC_HSQ
help
This selects the SDIO Host Controller in Spreadtrum
SoCs, this driver supports R11(IP version: R11P0).
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index d07b979..d346223 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -19,6 +19,7 @@
#include <linux/slab.h>
#include "sdhci-pltfm.h"
+#include "mmc_hsq.h"
/* SDHCI_ARGUMENT2 register high 16bit */
#define SDHCI_SPRD_ARG2_STUFF GENMASK(31, 16)
@@ -379,6 +380,16 @@ static unsigned int sdhci_sprd_get_ro(struct sdhci_host *host)
return 0;
}
+static void sdhci_sprd_request_done(struct sdhci_host *host,
+ struct mmc_request *mrq)
+{
+ /* Validate if the request was from software queue firstly. */
+ if (mmc_hsq_finalize_request(host->mmc, mrq))
+ return;
+
+ mmc_request_done(host->mmc, mrq);
+}
+
static struct sdhci_ops sdhci_sprd_ops = {
.read_l = sdhci_sprd_readl,
.write_l = sdhci_sprd_writel,
@@ -392,6 +403,7 @@ static unsigned int sdhci_sprd_get_ro(struct sdhci_host *host)
.hw_reset = sdhci_sprd_hw_reset,
.get_max_timeout_count = sdhci_sprd_get_max_timeout_count,
.get_ro = sdhci_sprd_get_ro,
+ .request_done = sdhci_sprd_request_done,
};
static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)
@@ -521,6 +533,7 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
struct sdhci_sprd_host *sprd_host;
+ struct mmc_hsq *hsq;
struct clk *clk;
int ret = 0;
@@ -631,6 +644,18 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
sprd_host->flags = host->flags;
+ hsq = devm_kzalloc(&pdev->dev, sizeof(*hsq), GFP_KERNEL);
+ if (!hsq) {
+ ret = -ENOMEM;
+ goto err_cleanup_host;
+ }
+
+ ret = mmc_hsq_init(hsq, host->mmc);
+ if (ret)
+ goto err_cleanup_host;
+
+ host->always_defer_done = true;
+
ret = __sdhci_add_host(host);
if (ret)
goto err_cleanup_host;
@@ -689,6 +714,7 @@ static int sdhci_sprd_runtime_suspend(struct device *dev)
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_sprd_host *sprd_host = TO_SPRD_HOST(host);
+ mmc_hsq_suspend(host->mmc);
sdhci_runtime_suspend_host(host);
clk_disable_unprepare(sprd_host->clk_sdio);
@@ -717,6 +743,8 @@ static int sdhci_sprd_runtime_resume(struct device *dev)
goto clk_disable;
sdhci_runtime_resume_host(host, 1);
+ mmc_hsq_resume(host->mmc);
+
return 0;
clk_disable:
--
1.7.9.5
next prev parent reply other threads:[~2020-02-12 4:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-12 4:12 [PATCH v9 0/5] Add MMC software queue support Baolin Wang
2020-02-12 4:12 ` [PATCH v9 1/5] mmc: Add MMC host " Baolin Wang
2020-02-12 4:12 ` [PATCH v9 2/5] mmc: core: Enable the MMC host software queue for the SD card Baolin Wang
2020-02-12 4:12 ` [PATCH v9 3/5] mmc: host: sdhci: Add request_done ops for struct sdhci_ops Baolin Wang
2020-02-12 4:12 ` [PATCH v9 4/5] mmc: host: sdhci: Add a variable to defer to complete requests if needed Baolin Wang
2020-02-12 4:13 ` Baolin Wang [this message]
2020-02-18 23:38 ` [PATCH v9 0/5] Add MMC software queue support Ulf Hansson
2020-02-19 1:35 ` Baolin Wang
2020-06-08 6:35 ` BOUGH CHEN
2020-06-08 11:53 ` Baolin Wang
2020-06-10 2:26 ` BOUGH CHEN
2020-06-14 15:05 ` Baolin Wang
2020-06-14 23:25 ` Baolin Wang
2020-06-15 2:31 ` BOUGH CHEN
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