Merge remote-tracking branch 'origin/f33' into f33-user-thl-vanilla-fedora

6 files changed, 644 insertions, 4 deletions

diff --git a/0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch b/0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch
index d184228ea..96463349e 100644
--- a/0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch
+++ b/0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch
@@ -98,4 +98,3 @@ index 4bc187a4eacdb..2b378fa06d19e 100644
  	pcie_ep@14160000 {
 -- 
 2.26.2
-
diff --git a/arm64-tegra-Use-valid-PWM-period-for-VDD_GPU-on-Tegra210.patch b/arm64-tegra-Use-valid-PWM-period-for-VDD_GPU-on-Tegra210.patch
index cd37e70a1..a09b1b115 100644
--- a/arm64-tegra-Use-valid-PWM-period-for-VDD_GPU-on-Tegra210.patch
+++ b/arm64-tegra-Use-valid-PWM-period-for-VDD_GPU-on-Tegra210.patch
@@ -45,4 +45,3 @@ index 9bc52fdb393c8..ebaac57853138 100644
  			regulator-max-microvolt = <1320000>;
 -- 
 2.26.2
-
diff --git a/brcmfmac-BCM4329-Fixes-and-improvement.patch b/brcmfmac-BCM4329-Fixes-and-improvement.patch
new file mode 100644
index 000000000..b492f82c9
--- /dev/null
+++ b/brcmfmac-BCM4329-Fixes-and-improvement.patch
@@ -0,0 +1,372 @@
+From patchwork Sun Aug 30 19:14:37 2020
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+X-Patchwork-Id: 11745283
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+        (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
+        Sun, 30 Aug 2020 12:15:04 -0700 (PDT)
+From: Dmitry Osipenko <digetx@gmail.com>
+To: Arend van Spriel <arend.vanspriel@broadcom.com>,
+        Franky Lin <franky.lin@broadcom.com>,
+        Hante Meuleman <hante.meuleman@broadcom.com>,
+        Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
+        Wright Feng <wright.feng@cypress.com>,
+        Kalle Valo <kvalo@codeaurora.org>
+Cc: linux-wireless@vger.kernel.org,
+        brcm80211-dev-list.pdl@broadcom.com,
+        brcm80211-dev-list@cypress.com, netdev@vger.kernel.org,
+        linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
+Subject: [PATCH v3 1/3] brcmfmac: increase F2 watermark for BCM4329
+Date: Sun, 30 Aug 2020 22:14:37 +0300
+Message-Id: <20200830191439.10017-2-digetx@gmail.com>
+X-Mailer: git-send-email 2.27.0
+In-Reply-To: <20200830191439.10017-1-digetx@gmail.com>
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+MIME-Version: 1.0
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+
+This patch fixes SDHCI CRC errors during of RX throughput testing on
+BCM4329 chip if SDIO BUS is clocked above 25MHz. In particular the
+checksum problem is observed on NVIDIA Tegra20 SoCs. The good watermark
+value is borrowed from downstream BCMDHD driver and it's matching to the
+value that is already used for the BCM4339 chip, hence let's re-use it
+for BCM4329.
+
+Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
+Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+index d1b96bad2718..b16944a898f9 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+@@ -4278,6 +4278,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
+ 			brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ 					   CY_43012_MESBUSYCTRL, &err);
+ 			break;
++		case SDIO_DEVICE_ID_BROADCOM_4329:
+ 		case SDIO_DEVICE_ID_BROADCOM_4339:
+ 			brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 4339\n",
+ 				  CY_4339_F2_WATERMARK);
+
+From patchwork Sun Aug 30 19:14:38 2020
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+X-Patchwork-Id: 11745287
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+        (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
+        Sun, 30 Aug 2020 12:15:05 -0700 (PDT)
+From: Dmitry Osipenko <digetx@gmail.com>
+To: Arend van Spriel <arend.vanspriel@broadcom.com>,
+        Franky Lin <franky.lin@broadcom.com>,
+        Hante Meuleman <hante.meuleman@broadcom.com>,
+        Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
+        Wright Feng <wright.feng@cypress.com>,
+        Kalle Valo <kvalo@codeaurora.org>
+Cc: linux-wireless@vger.kernel.org,
+        brcm80211-dev-list.pdl@broadcom.com,
+        brcm80211-dev-list@cypress.com, netdev@vger.kernel.org,
+        linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
+Subject: [PATCH v3 2/3] brcmfmac: drop chip id from debug messages
+Date: Sun, 30 Aug 2020 22:14:38 +0300
+Message-Id: <20200830191439.10017-3-digetx@gmail.com>
+X-Mailer: git-send-email 2.27.0
+In-Reply-To: <20200830191439.10017-1-digetx@gmail.com>
+References: <20200830191439.10017-1-digetx@gmail.com>
+MIME-Version: 1.0
+Sender: linux-wireless-owner@vger.kernel.org
+Precedence: bulk
+List-ID: <linux-wireless.vger.kernel.org>
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+
+The chip ID was already printed out at the time when debug message about
+the changed F2 watermark is printed, hence let's drop the unnecessary part
+of the debug messages. This cleans code a tad and also allows to re-use
+the F2 watermark debug messages by multiple chips.
+
+Suggested-by: Arend van Spriel <arend.vanspriel@broadcom.com>
+Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+index b16944a898f9..d4989e0cd7be 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+@@ -4280,7 +4280,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
+ 			break;
+ 		case SDIO_DEVICE_ID_BROADCOM_4329:
+ 		case SDIO_DEVICE_ID_BROADCOM_4339:
+-			brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 4339\n",
++			brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
+ 				  CY_4339_F2_WATERMARK);
+ 			brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+ 					   CY_4339_F2_WATERMARK, &err);
+@@ -4293,7 +4293,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
+ 					   CY_4339_MESBUSYCTRL, &err);
+ 			break;
+ 		case SDIO_DEVICE_ID_BROADCOM_43455:
+-			brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 43455\n",
++			brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
+ 				  CY_43455_F2_WATERMARK);
+ 			brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+ 					   CY_43455_F2_WATERMARK, &err);
+
+From patchwork Sun Aug 30 19:14:39 2020
+Content-Type: text/plain; charset="utf-8"
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+X-Patchwork-Id: 11745291
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+         82vYn1zNANhjSnTRMC0hOTZmzmnqZsyksYdQrpbyEsdpHaKbB6GkX7ylp3TM9XDpD9xK
+         +ROQ==
+X-Gm-Message-State: AOAM532osjv7Nw1P0/HRBwzPySBJZh+vqXrZj/Ko6Yzt0eyt2qeOFDG3
+        JOT89QLhVftNg53aBYKa2p4=
+X-Google-Smtp-Source: 
+ ABdhPJzL0Cdo7AKGH5FiC2AREv1bSdtUCg+BEl1uu43NLTd1wRmGMfv3vj1BvcduUPeX7jN48VJ+7Q==
+X-Received: by 2002:ac2:41cc:: with SMTP id d12mr4018561lfi.20.1598814906867;
+        Sun, 30 Aug 2020 12:15:06 -0700 (PDT)
+Received: from localhost.localdomain (109-252-170-211.dynamic.spd-mgts.ru.
+ [109.252.170.211])
+        by smtp.gmail.com with ESMTPSA id
+ e23sm1409709lfj.80.2020.08.30.12.15.05
+        (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
+        Sun, 30 Aug 2020 12:15:06 -0700 (PDT)
+From: Dmitry Osipenko <digetx@gmail.com>
+To: Arend van Spriel <arend.vanspriel@broadcom.com>,
+        Franky Lin <franky.lin@broadcom.com>,
+        Hante Meuleman <hante.meuleman@broadcom.com>,
+        Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
+        Wright Feng <wright.feng@cypress.com>,
+        Kalle Valo <kvalo@codeaurora.org>
+Cc: linux-wireless@vger.kernel.org,
+        brcm80211-dev-list.pdl@broadcom.com,
+        brcm80211-dev-list@cypress.com, netdev@vger.kernel.org,
+        linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
+Subject: [PATCH v3 3/3] brcmfmac: set F2 SDIO block size to 128 bytes for
+ BCM4329
+Date: Sun, 30 Aug 2020 22:14:39 +0300
+Message-Id: <20200830191439.10017-4-digetx@gmail.com>
+X-Mailer: git-send-email 2.27.0
+In-Reply-To: <20200830191439.10017-1-digetx@gmail.com>
+References: <20200830191439.10017-1-digetx@gmail.com>
+MIME-Version: 1.0
+Sender: linux-wireless-owner@vger.kernel.org
+Precedence: bulk
+List-ID: <linux-wireless.vger.kernel.org>
+X-Mailing-List: linux-wireless@vger.kernel.org
+
+Setting F2 block size to 128 bytes for BCM4329 allows to significantly
+improve RX throughput on NVIDIA Tegra20. Before this change the throughput
+was capped to 30 Mbit/s on Tegra, now throughput is at 40 Mbit/s, which is
+a maximum throughput for the BCM4329 chip. The F2 block size is borrowed
+from the downstream BCMDHD driver. The comment in the BCMDHD driver says
+that 128B improves throughput and turns out that it works for the brcmfmac
+as well.
+
+Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+index 0dc4de2fa9f6..318bd00bf94f 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+@@ -45,6 +45,7 @@
+ #define SDIO_FUNC2_BLOCKSIZE		512
+ #define SDIO_4373_FUNC2_BLOCKSIZE	256
+ #define SDIO_435X_FUNC2_BLOCKSIZE	256
++#define SDIO_4329_FUNC2_BLOCKSIZE	128
+ /* Maximum milliseconds to wait for F2 to come up */
+ #define SDIO_WAIT_F2RDY	3000
+ 
+@@ -920,6 +921,9 @@ int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev)
+ 	case SDIO_DEVICE_ID_BROADCOM_4356:
+ 		f2_blksz = SDIO_435X_FUNC2_BLOCKSIZE;
+ 		break;
++	case SDIO_DEVICE_ID_BROADCOM_4329:
++		f2_blksz = SDIO_4329_FUNC2_BLOCKSIZE;
++		break;
+ 	default:
+ 		break;
+ 	}
diff --git a/kernel.spec b/kernel.spec
index dbc9e7ed5..f908b6431 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -885,10 +885,18 @@ Patch105: 0001-platform-x86-thinkpad_acpi-lap-or-desk-mode-interfac.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=1874117
 Patch107: 0001-drivers-perf-xgene_pmu-Fix-uninitialized-resource-st.patch
 
-Patch110: memory-tegra-Remove-GPU-from-DRM-IOMMU-group.patch
+# https://patchwork.kernel.org/patch/11745283/
+Patch108: brcmfmac-BCM4329-Fixes-and-improvement.patch
+
+# https://patchwork.kernel.org/patch/11743769/
+Patch109: mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch
+# https://www.spinics.net/lists/linux-mmc/msg60653.html
+Patch111: mmc-sdio-Use-mmc_pre_req-mmc_post_req.patch
+
+Patch112: memory-tegra-Remove-GPU-from-DRM-IOMMU-group.patch
 
 # CVE-2020-25211 rhbz 1877571 1877572
-Patch111: netfilter-ctnetlink-add-range-check-for-l3-l4-protonum.patch
+Patch113: netfilter-ctnetlink-add-range-check-for-l3-l4-protonum.patch
 
 # END OF PATCH DEFINITIONS
 
@@ -2997,6 +3005,14 @@ fi
 #
 #
 %changelog
+* Mon Sep 14 08:51:55 CDT 2020 Justin M. Forbes <jforbes@fedoraproject.org> - 5.8.9-300
+- Linux v5.8.9
+
+* Sat Sep 12 2020 Peter Robinson <pbrobinson@fedoraproject.org>
+- Fix for SDIO speed issue
+- Fix for certain mSD cards on Raspberry Pi 4
+- Fix for older brcm sdio WiFi modules
+
 * Thu Sep 10 2020 Justin M. Forbes <jforbes@fedoraproject.org>
 - Fix CVE-2020-25211 (rhbz 1877571 1877572)
 
diff --git a/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch b/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch
new file mode 100644
index 000000000..6f5cf820b
--- /dev/null
+++ b/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch
@@ -0,0 +1,98 @@
+From patchwork Fri Aug 28 21:47:14 2020
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+X-Patchwork-Submitter: Stefan Wahren <stefan.wahren@i2se.com>
+X-Patchwork-Id: 11743769
+Return-Path: <SRS0=IgIp=CG=vger.kernel.org=linux-mmc-owner@kernel.org>
+Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org
+ [172.30.200.123])
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+	for <patchwork-linux-mmc@patchwork.kernel.org>;
+ Fri, 28 Aug 2020 21:48:59 +0000 (UTC)
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+ id 1MzQTm-1kXpKC3Jq4-00vObT; Fri, 28 Aug 2020 23:48:40 +0200
+From: Stefan Wahren <stefan.wahren@i2se.com>
+To: Adrian Hunter <adrian.hunter@intel.com>,
+        Ulf Hansson <ulf.hansson@linaro.org>,
+        Ray Jui <rjui@broadcom.com>,
+        Scott Branden <sbranden@broadcom.com>
+Cc: Florian Fainelli <f.fainelli@gmail.com>,
+        Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
+        Matthias Brugger <mbrugger@suse.com>,
+        bcm-kernel-feedback-list@broadcom.com, linux-mmc@vger.kernel.org,
+        linux-arm-kernel@lists.infradead.org,
+        Stefan Wahren <stefan.wahren@i2se.com>
+Subject: [PATCH] mmc: sdhci-iproc: Enable eMMC DDR 3.3V support for bcm2711
+Date: Fri, 28 Aug 2020 23:47:14 +0200
+Message-Id: <1598651234-29826-1-git-send-email-stefan.wahren@i2se.com>
+X-Mailer: git-send-email 2.7.4
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+ xsYTKTMMWPPeSrsGrGwEWQurcjWiskZ8QvmiCkaJHzyxpEWZfmqH30xnyIVdeVakqbob0ddv6
+ VLEnvtryHj/lA4fHtioyBJ4A5CpKR2At7wnlKOICKyaHniUfMlssMuxexvZkbh5Tk/TR7aW7A
+ krPi5wigbGYz2Pf0BiIjJOix9EDYS3+e2oyn6oFZX2gJcfDBT48tMcVYK3IOk6vnwvvmszY/k
+ jexjMPuNFqHptYGNN/TyrXxKulWcZQdCYcksDfKHCrY0TIrxu44YkbhUl22nDy4LRXZQU6h
+Sender: linux-mmc-owner@vger.kernel.org
+Precedence: bulk
+List-ID: <linux-mmc.vger.kernel.org>
+X-Mailing-List: linux-mmc@vger.kernel.org
+
+The emmc2 interface on the bcm2711 supports DDR modes for eMMC devices
+running at 3.3V. This allows to run eMMC module with 3.3V signaling voltage
+at DDR52 mode on the Raspberry Pi 4 using a SD adapter:
+
+  clock: 52000000 Hz
+  actual clock: 50000000 Hz
+  vdd: 21 (3.3 ~ 3.4 V)
+  bus mode: 2 (push-pull)
+  chip select: 0 (don't care)
+  power mode: 2 (on)
+  bus width: 2 (4 bits)
+  timing spec: 8 (mmc DDR52)
+  signal voltage: 0 (3.30 V)
+  driver type: 0 (driver type B)
+
+Link: https://github.com/raspberrypi/linux/issues/3802
+Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
+---
+ drivers/mmc/host/sdhci-iproc.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
+index e2d8dfe..b540aa6 100644
+--- a/drivers/mmc/host/sdhci-iproc.c
++++ b/drivers/mmc/host/sdhci-iproc.c
+@@ -283,6 +283,7 @@ static const struct sdhci_pltfm_data sdhci_bcm2711_pltfm_data = {
+ 
+ static const struct sdhci_iproc_data bcm2711_data = {
+ 	.pdata = &sdhci_bcm2711_pltfm_data,
++	.mmc_caps = MMC_CAP_3_3V_DDR,
+ };
+ 
+ static const struct of_device_id sdhci_iproc_of_match[] = {
diff --git a/mmc-sdio-Use-mmc_pre_req-mmc_post_req.patch b/mmc-sdio-Use-mmc_pre_req-mmc_post_req.patch
new file mode 100644
index 000000000..123e2c6f8
--- /dev/null
+++ b/mmc-sdio-Use-mmc_pre_req-mmc_post_req.patch
@@ -0,0 +1,156 @@
+From patchwork Thu Sep  3 08:20:07 2020
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+X-Patchwork-Submitter: Adrian Hunter <adrian.hunter@intel.com>
+X-Patchwork-Id: 11752795
+Return-Path: <SRS0=lwnd=CM=vger.kernel.org=linux-mmc-owner@kernel.org>
+Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org
+ [172.30.200.123])
+	by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C9EBB14E5
+	for <patchwork-linux-mmc@patchwork.kernel.org>;
+ Thu,  3 Sep 2020 08:20:33 +0000 (UTC)
+Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
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+        <rfc822;patchwork-linux-mmc@patchwork.kernel.org>);
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+        id S1726967AbgICIUc (ORCPT <rfc822;linux-mmc@vger.kernel.org>);
+        Thu, 3 Sep 2020 04:20:32 -0400
+IronPort-SDR: 
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+ ahunter-Desktop.fi.intel.com) ([10.237.72.190])
+  by fmsmga002.fm.intel.com with ESMTP; 03 Sep 2020 01:20:29 -0700
+From: Adrian Hunter <adrian.hunter@intel.com>
+To: Ulf Hansson <ulf.hansson@linaro.org>
+Cc: linux-mmc <linux-mmc@vger.kernel.org>,
+ =?utf-8?q?Pali_Roh=C3=A1r?= <pali@kernel.org>,
+ Haibo Chen <haibo.chen@nxp.com>, Yue Hu <huyue2@yulong.com>,
+ Douglas Anderson <dianders@chromium.org>, Dmitry Osipenko <digetx@gmail.com>
+Subject: [PATCH] mmc: sdio: Use mmc_pre_req() / mmc_post_req()
+Date: Thu,  3 Sep 2020 11:20:07 +0300
+Message-Id: <20200903082007.18715-1-adrian.hunter@intel.com>
+X-Mailer: git-send-email 2.17.1
+Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki,
+ Business Identity Code: 0357606 - 4, Domiciled in Helsinki
+Sender: linux-mmc-owner@vger.kernel.org
+Precedence: bulk
+List-ID: <linux-mmc.vger.kernel.org>
+X-Mailing-List: linux-mmc@vger.kernel.org
+
+SDHCI changed from using a tasklet to finish requests, to using an IRQ
+thread i.e. commit c07a48c2651965 ("mmc: sdhci: Remove finish_tasklet").
+Because this increased the latency to complete requests, a preparatory
+change was made to complete the request from the IRQ handler if
+possible i.e. commit 19d2f695f4e827 ("mmc: sdhci: Call mmc_request_done()
+from IRQ handler if possible").  That alleviated the situation for MMC
+block devices because the MMC block driver makes use of mmc_pre_req()
+and mmc_post_req() so that successful requests are completed in the IRQ
+handler and any DMA unmapping is handled separately in mmc_post_req().
+However SDIO was still affected, and an example has been reported with
+up to 20% degradation in performance.
+
+Looking at SDIO I/O helper functions, sdio_io_rw_ext_helper() appeared
+to be a possible candidate for making use of asynchronous requests
+within its I/O loops, but analysis revealed that these loops almost
+never iterate more than once, so the complexity of the change would not
+be warrented.
+
+Instead, mmc_pre_req() and mmc_post_req() are added before and after I/O
+submission (mmc_wait_for_req) in mmc_io_rw_extended().  This still has
+the potential benefit of reducing the duration of interrupt handlers, as
+well as addressing the latency issue for SDHCI.  It also seems a more
+reasonable solution than forcing drivers to do everything in the IRQ
+handler.
+
+Reported-by: Dmitry Osipenko <digetx@gmail.com>
+Fixes: c07a48c2651965 ("mmc: sdhci: Remove finish_tasklet")
+Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
+Tested-by: Dmitry Osipenko <digetx@gmail.com>
+---
+ drivers/mmc/core/sdio_ops.c | 39 +++++++++++++++++++++----------------
+ 1 file changed, 22 insertions(+), 17 deletions(-)
+
+diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c
+index 93d346c01110..4c229dd2b6e5 100644
+--- a/drivers/mmc/core/sdio_ops.c
++++ b/drivers/mmc/core/sdio_ops.c
+@@ -121,6 +121,7 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
+ 	struct sg_table sgtable;
+ 	unsigned int nents, left_size, i;
+ 	unsigned int seg_size = card->host->max_seg_size;
++	int err;
+ 
+ 	WARN_ON(blksz == 0);
+ 
+@@ -170,28 +171,32 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
+ 
+ 	mmc_set_data_timeout(&data, card);
+ 
+-	mmc_wait_for_req(card->host, &mrq);
++	mmc_pre_req(card->host, &mrq);
+ 
+-	if (nents > 1)
+-		sg_free_table(&sgtable);
++	mmc_wait_for_req(card->host, &mrq);
+ 
+ 	if (cmd.error)
+-		return cmd.error;
+-	if (data.error)
+-		return data.error;
+-
+-	if (mmc_host_is_spi(card->host)) {
++		err = cmd.error;
++	else if (data.error)
++		err = data.error;
++	else if (mmc_host_is_spi(card->host))
+ 		/* host driver already reported errors */
+-	} else {
+-		if (cmd.resp[0] & R5_ERROR)
+-			return -EIO;
+-		if (cmd.resp[0] & R5_FUNCTION_NUMBER)
+-			return -EINVAL;
+-		if (cmd.resp[0] & R5_OUT_OF_RANGE)
+-			return -ERANGE;
+-	}
++		err = 0;
++	else if (cmd.resp[0] & R5_ERROR)
++		err = -EIO;
++	else if (cmd.resp[0] & R5_FUNCTION_NUMBER)
++		err = -EINVAL;
++	else if (cmd.resp[0] & R5_OUT_OF_RANGE)
++		err = -ERANGE;
++	else
++		err = 0;
+ 
+-	return 0;
++	mmc_post_req(card->host, &mrq, err);
++
++	if (nents > 1)
++		sg_free_table(&sgtable);
++
++	return err;
+ }
+ 
+ int sdio_reset(struct mmc_host *host)