From: Baolin Wang <baolin.wang@linaro.org>
To: adrian.hunter@intel.com, ulf.hansson@linaro.org,
riteshh@codeaurora.org, asutoshd@codeaurora.org
Cc: orsonzhai@gmail.com, zhang.lyra@gmail.com, arnd@arndb.de,
linus.walleij@linaro.org, vincent.guittot@linaro.org,
baolin.wang@linaro.org, linux-mmc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 3/4] mmc: host: sdhci-sprd: Add virtual command queue support
Date: Fri, 6 Sep 2019 11:52:01 +0800 [thread overview]
Message-ID: <c8cb69b48dd8b6317a9e53e87c5669fbfbeedc30.1567740135.git.baolin.wang@linaro.org> (raw)
In-Reply-To: <cover.1567740135.git.baolin.wang@linaro.org>
In-Reply-To: <cover.1567740135.git.baolin.wang@linaro.org>
Add virtual command queue support.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
drivers/mmc/host/Kconfig | 1 +
drivers/mmc/host/sdhci-sprd.c | 16 ++++++++++++++++
2 files changed, 17 insertions(+)
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index e2a12c3..851e947 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -619,6 +619,7 @@ config MMC_SDHCI_SPRD
depends on ARCH_SPRD
depends on MMC_SDHCI_PLTFM
select MMC_SDHCI_IO_ACCESSORS
+ select MMC_VIRTUAL_CQHCI
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 19a2104..ff4886a3 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 "cqhci.h"
/* SDHCI_ARGUMENT2 register high 16bit */
#define SDHCI_SPRD_ARG2_STUFF GENMASK(31, 16)
@@ -515,6 +516,7 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
struct sdhci_sprd_host *sprd_host;
+ struct cqhci_host *cqv_host;
struct clk *clk;
int ret = 0;
@@ -625,6 +627,17 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
sprd_host->flags = host->flags;
+ cqv_host = devm_kzalloc(&pdev->dev,
+ sizeof(*cqv_host), GFP_KERNEL);
+ if (!cqv_host) {
+ ret = -ENOMEM;
+ goto err_cleanup_host;
+ }
+
+ ret = cqhci_virt_init(cqv_host, host->mmc);
+ if (ret)
+ goto err_cleanup_host;
+
ret = __sdhci_add_host(host);
if (ret)
goto err_cleanup_host;
@@ -685,6 +698,7 @@ 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);
+ cqhci_virt_suspend(host->mmc);
sdhci_runtime_suspend_host(host);
clk_disable_unprepare(sprd_host->clk_sdio);
@@ -713,6 +727,8 @@ static int sdhci_sprd_runtime_resume(struct device *dev)
goto clk_disable;
sdhci_runtime_resume_host(host, 1);
+ cqhci_virt_resume(host->mmc);
+
return 0;
clk_disable:
--
1.7.9.5
next prev parent reply other threads:[~2019-09-06 3:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-06 3:51 [PATCH 0/4] Add MMC virtual command queue support Baolin Wang
2019-09-06 3:51 ` [PATCH 1/4] mmc: host: cqhci: Move the struct cqhci_slot into header file Baolin Wang
2019-09-06 3:52 ` [PATCH 2/4] mmc: Add virtual command queue support Baolin Wang
2019-09-06 3:52 ` Baolin Wang
2019-09-09 12:01 ` Adrian Hunter
2019-09-09 12:16 ` Baolin Wang
2019-09-09 12:43 ` Adrian Hunter
2019-09-10 3:27 ` Baolin Wang
2019-09-06 3:52 ` Baolin Wang [this message]
2019-09-06 3:52 ` [PATCH 4/4] mmc: host: sdhci: " Baolin Wang
2019-09-09 12:03 ` Adrian Hunter
2019-09-09 12:11 ` Baolin Wang
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