Fix WiFi on Raspberry Pi 3 on aarch64 (rhbz 1649344), Fixes for Raspberry Pi hwmon driver and firmware interface
This commit is contained in:
Peter Robinson
parent
6c672bed3d
commit
a4764614a7
@ -1,71 +1,7 @@
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From 76202e874f06ab641fbe1caaddd4cfcf7158f174 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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To: Arend van Spriel <arend.vanspriel@broadcom.com>,
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Franky Lin <franky.lin@broadcom.com>,
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Hante Meuleman <hante.meuleman@broadcom.com>,
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Cc: Hans de Goede <hdegoede@redhat.com>,
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linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com
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Subject: [PATCH v2 1/6] brcmfmac: Remove firmware-loading code duplication
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Date: Wed, 10 Oct 2018 13:00:58 +0200
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Subject: [PATCH 1/5] brcmfmac: Remove firmware-loading code duplication
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brcmf_fw_request_next_item and brcmf_fw_request_done both have identical
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code to complete the fw-request depending on the item-type.
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@ -165,78 +101,14 @@ index 9095b830ae4d..784c84f0e9e7 100644
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goto fail;
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do {
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--
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2.19.1
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From patchwork Wed Oct 10 11:00:59 2018
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From: Hans de Goede <hdegoede@redhat.com>
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To: Arend van Spriel <arend.vanspriel@broadcom.com>,
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Franky Lin <franky.lin@broadcom.com>,
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Hante Meuleman <hante.meuleman@broadcom.com>,
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Cc: Hans de Goede <hdegoede@redhat.com>,
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linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com
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Subject: [PATCH v2 2/6] brcmfmac: Remove recursion from firmware load error
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handling
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Date: Wed, 10 Oct 2018 13:00:59 +0200
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Subject: [PATCH 2/5] brcmfmac: Remove recursion from firmware load error
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handling
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Before this commit brcmf_fw_request_done would call
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brcmf_fw_request_next_item to load the next item, which on an error would
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@ -360,78 +232,14 @@ index 784c84f0e9e7..08aaf99fee34 100644
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return 0;
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}
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--
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2.19.1
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To: Arend van Spriel <arend.vanspriel@broadcom.com>,
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Franky Lin <franky.lin@broadcom.com>,
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Hante Meuleman <hante.meuleman@broadcom.com>,
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Cc: Hans de Goede <hdegoede@redhat.com>,
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linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com
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Subject: [PATCH v2 3/6] brcmfmac: Add support for first trying to get a board
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specific nvram file
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Date: Wed, 10 Oct 2018 13:01:00 +0200
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Subject: [PATCH 3/5] brcmfmac: Add support for first trying to get a board
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specific nvram file
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The nvram files which some brcmfmac chips need are board-specific. To be
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able to distribute these as part of linux-firmware, so that devices with
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@ -507,78 +315,14 @@ index 2893e56910f0..a0834be8864e 100644
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struct brcmf_fw_item items[0];
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};
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--
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2.19.1
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|
||||
Subject: [PATCH v2 4/6] brcmfmac: Set board_type used for nvram file selection
|
||||
to machine-compatible
|
||||
Date: Wed, 10 Oct 2018 13:01:01 +0200
|
||||
Message-Id: <20181010110103.21857-4-hdegoede@redhat.com>
|
||||
In-Reply-To: <20181010110103.21857-1-hdegoede@redhat.com>
|
||||
References: <20181010110103.21857-1-hdegoede@redhat.com>
|
||||
MIME-Version: 1.0
|
||||
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|
||||
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|
||||
not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]);
|
||||
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|
||||
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|
||||
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|
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|
||||
From 282477a8e4034ee2ea906d2eb234ce9c86f5685f Mon Sep 17 00:00:00 2001
|
||||
From: Peter Robinson <pbrobinson@gmail.com>
|
||||
Date: Sat, 17 Nov 2018 15:18:35 +0000
|
||||
Subject: [PATCH 4/5] brcmfmac: Set board_type used for nvram file selection to
|
||||
machine-compatible
|
||||
|
||||
For of/devicetree using machines, set the board_type used for nvram file
|
||||
selection to the first string listed in the top-level's node compatible
|
||||
@ -589,169 +333,16 @@ a board-specific name so that we can ship files for each supported board
|
||||
in linux-firmware.
|
||||
|
||||
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
||||
---
|
||||
.../net/wireless/broadcom/brcm80211/brcmfmac/common.h | 1 +
|
||||
drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c | 11 ++++++++++-
|
||||
.../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 1 +
|
||||
.../net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 1 +
|
||||
4 files changed, 13 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
|
||||
index a34642cb4d2f..e63a273642e9 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
|
||||
@@ -59,6 +59,7 @@ struct brcmf_mp_device {
|
||||
bool iapp;
|
||||
bool ignore_probe_fail;
|
||||
struct brcmfmac_pd_cc *country_codes;
|
||||
+ const char *board_type;
|
||||
union {
|
||||
struct brcmfmac_sdio_pd sdio;
|
||||
} bus;
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
|
||||
index aee6e5937c41..84e3373289eb 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
|
||||
@@ -27,11 +27,20 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
|
||||
struct brcmf_mp_device *settings)
|
||||
{
|
||||
struct brcmfmac_sdio_pd *sdio = &settings->bus.sdio;
|
||||
- struct device_node *np = dev->of_node;
|
||||
+ struct device_node *root, *np = dev->of_node;
|
||||
+ struct property *prop;
|
||||
int irq;
|
||||
u32 irqf;
|
||||
u32 val;
|
||||
|
||||
+ /* Set board-type to the first string of the machine compatible prop */
|
||||
+ root = of_find_node_by_path("/");
|
||||
+ if (root) {
|
||||
+ prop = of_find_property(root, "compatible", NULL);
|
||||
+ settings->board_type = of_prop_next_string(prop, NULL);
|
||||
+ of_node_put(root);
|
||||
+ }
|
||||
+
|
||||
if (!np || bus_type != BRCMF_BUSTYPE_SDIO ||
|
||||
!of_device_is_compatible(np, "brcm,bcm4329-fmac"))
|
||||
return;
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
|
||||
index 4fffa6988087..b12f3e0ee69c 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
|
||||
@@ -1785,6 +1785,7 @@ brcmf_pcie_prepare_fw_request(struct brcmf_pciedev_info *devinfo)
|
||||
fwreq->items[BRCMF_PCIE_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
|
||||
fwreq->items[BRCMF_PCIE_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
|
||||
fwreq->items[BRCMF_PCIE_FW_NVRAM].flags = BRCMF_FW_REQF_OPTIONAL;
|
||||
+ fwreq->board_type = devinfo->settings->board_type;
|
||||
/* NVRAM reserves PCI domain 0 for Broadcom's SDK faked bus */
|
||||
fwreq->domain_nr = pci_domain_nr(devinfo->pdev->bus) + 1;
|
||||
fwreq->bus_nr = devinfo->pdev->bus->number;
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
|
||||
index a907d7b065fa..3dbbbb117563 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
|
||||
@@ -4177,6 +4177,7 @@ brcmf_sdio_prepare_fw_request(struct brcmf_sdio *bus)
|
||||
|
||||
fwreq->items[BRCMF_SDIO_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
|
||||
fwreq->items[BRCMF_SDIO_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
|
||||
+ fwreq->board_type = bus->sdiodev->settings->board_type;
|
||||
|
||||
return fwreq;
|
||||
}
|
||||
|
||||
From patchwork Wed Oct 10 11:01:02 2018
|
||||
Content-Type: text/plain; charset="utf-8"
|
||||
MIME-Version: 1.0
|
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|
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X-Patchwork-Submitter: Hans de Goede <hdegoede@redhat.com>
|
||||
X-Patchwork-Id: 10634363
|
||||
X-Patchwork-Delegate: kvalo@adurom.com
|
||||
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|
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|
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|
||||
From: Hans de Goede <hdegoede@redhat.com>
|
||||
To: Arend van Spriel <arend.vanspriel@broadcom.com>,
|
||||
Franky Lin <franky.lin@broadcom.com>,
|
||||
Hante Meuleman <hante.meuleman@broadcom.com>,
|
||||
Kalle Valo <kvalo@codeaurora.org>,
|
||||
Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
|
||||
Wright Feng <wright.feng@cypress.com>
|
||||
Cc: Hans de Goede <hdegoede@redhat.com>,
|
||||
linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com
|
||||
Subject: [PATCH v2 5/6] brcmfmac: Set board_type from DMI on x86 based
|
||||
machines
|
||||
Date: Wed, 10 Oct 2018 13:01:02 +0200
|
||||
Message-Id: <20181010110103.21857-5-hdegoede@redhat.com>
|
||||
In-Reply-To: <20181010110103.21857-1-hdegoede@redhat.com>
|
||||
References: <20181010110103.21857-1-hdegoede@redhat.com>
|
||||
MIME-Version: 1.0
|
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X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23
|
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|
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not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.47]);
|
||||
Wed, 10 Oct 2018 11:01:19 +0000 (UTC)
|
||||
Sender: linux-wireless-owner@vger.kernel.org
|
||||
Precedence: bulk
|
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|
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|
||||
X-Virus-Scanned: ClamAV using ClamSMTP
|
||||
|
||||
For x86 based machines, set the board_type used for nvram file selection
|
||||
based on the DMI sys-vendor and product-name strings.
|
||||
|
||||
Since on some models these strings are too generic, this commit also adds
|
||||
a quirk table overriding the strings for models listed in that table.
|
||||
|
||||
The board_type setting is used to load the board-specific nvram file with
|
||||
a board-specific name so that we can ship files for each supported board
|
||||
in linux-firmware.
|
||||
|
||||
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
||||
---
|
||||
Changes in v2:
|
||||
-Use full ISC text for now instead of SPDX tag, because the ISC is not
|
||||
yet listed under LICENSES
|
||||
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
|
||||
---
|
||||
.../broadcom/brcm80211/brcmfmac/Makefile | 2 +
|
||||
.../broadcom/brcm80211/brcmfmac/common.c | 3 +-
|
||||
.../broadcom/brcm80211/brcmfmac/common.h | 7 ++
|
||||
.../broadcom/brcm80211/brcmfmac/common.h | 8 ++
|
||||
.../broadcom/brcm80211/brcmfmac/dmi.c | 116 ++++++++++++++++++
|
||||
4 files changed, 127 insertions(+), 1 deletion(-)
|
||||
.../wireless/broadcom/brcm80211/brcmfmac/of.c | 11 +-
|
||||
.../broadcom/brcm80211/brcmfmac/pcie.c | 1 +
|
||||
.../broadcom/brcm80211/brcmfmac/sdio.c | 1 +
|
||||
7 files changed, 140 insertions(+), 2 deletions(-)
|
||||
create mode 100644 drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
|
||||
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/Makefile
|
||||
@ -765,25 +356,32 @@ index 1f5a9b948abf..22fd95a736a8 100644
|
||||
+brcmfmac-$(CONFIG_DMI) += \
|
||||
+ dmi.o
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
|
||||
index cd3651069d0c..a4bcbd1a57ac 100644
|
||||
index cd3651069d0c..b93b1e797333 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
|
||||
@@ -450,8 +450,9 @@ struct brcmf_mp_device *brcmf_get_module_param(struct device *dev,
|
||||
@@ -450,7 +450,8 @@ struct brcmf_mp_device *brcmf_get_module_param(struct device *dev,
|
||||
}
|
||||
}
|
||||
if (!found) {
|
||||
- /* No platform data for this device, try OF (Open Firwmare) */
|
||||
+ /* No platform data for this device, try OF and DMI data */
|
||||
brcmf_of_probe(dev, bus_type, settings);
|
||||
+ brcmf_dmi_probe(settings, chip, chiprev);
|
||||
brcmf_of_probe(dev, bus_type, settings);
|
||||
}
|
||||
return settings;
|
||||
}
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
|
||||
index e63a273642e9..4ce56be90b74 100644
|
||||
index a34642cb4d2f..4ce56be90b74 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
|
||||
@@ -75,4 +75,11 @@ void brcmf_release_module_param(struct brcmf_mp_device *module_param);
|
||||
@@ -59,6 +59,7 @@ struct brcmf_mp_device {
|
||||
bool iapp;
|
||||
bool ignore_probe_fail;
|
||||
struct brcmfmac_pd_cc *country_codes;
|
||||
+ const char *board_type;
|
||||
union {
|
||||
struct brcmfmac_sdio_pd sdio;
|
||||
} bus;
|
||||
@@ -74,4 +75,11 @@ void brcmf_release_module_param(struct brcmf_mp_device *module_param);
|
||||
/* Sets dongle media info (drv_version, mac address). */
|
||||
int brcmf_c_preinit_dcmds(struct brcmf_if *ifp);
|
||||
|
||||
@ -917,77 +515,63 @@ index 000000000000..51d76ac45075
|
||||
+ settings->board_type = dmi_board_type;
|
||||
+ }
|
||||
+}
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
|
||||
index aee6e5937c41..84e3373289eb 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
|
||||
@@ -27,11 +27,20 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
|
||||
struct brcmf_mp_device *settings)
|
||||
{
|
||||
struct brcmfmac_sdio_pd *sdio = &settings->bus.sdio;
|
||||
- struct device_node *np = dev->of_node;
|
||||
+ struct device_node *root, *np = dev->of_node;
|
||||
+ struct property *prop;
|
||||
int irq;
|
||||
u32 irqf;
|
||||
u32 val;
|
||||
|
||||
+ /* Set board-type to the first string of the machine compatible prop */
|
||||
+ root = of_find_node_by_path("/");
|
||||
+ if (root) {
|
||||
+ prop = of_find_property(root, "compatible", NULL);
|
||||
+ settings->board_type = of_prop_next_string(prop, NULL);
|
||||
+ of_node_put(root);
|
||||
+ }
|
||||
+
|
||||
if (!np || bus_type != BRCMF_BUSTYPE_SDIO ||
|
||||
!of_device_is_compatible(np, "brcm,bcm4329-fmac"))
|
||||
return;
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
|
||||
index 4fffa6988087..b12f3e0ee69c 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
|
||||
@@ -1785,6 +1785,7 @@ brcmf_pcie_prepare_fw_request(struct brcmf_pciedev_info *devinfo)
|
||||
fwreq->items[BRCMF_PCIE_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
|
||||
fwreq->items[BRCMF_PCIE_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
|
||||
fwreq->items[BRCMF_PCIE_FW_NVRAM].flags = BRCMF_FW_REQF_OPTIONAL;
|
||||
+ fwreq->board_type = devinfo->settings->board_type;
|
||||
/* NVRAM reserves PCI domain 0 for Broadcom's SDK faked bus */
|
||||
fwreq->domain_nr = pci_domain_nr(devinfo->pdev->bus) + 1;
|
||||
fwreq->bus_nr = devinfo->pdev->bus->number;
|
||||
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
|
||||
index a907d7b065fa..3dbbbb117563 100644
|
||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
|
||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
|
||||
@@ -4177,6 +4177,7 @@ brcmf_sdio_prepare_fw_request(struct brcmf_sdio *bus)
|
||||
|
||||
fwreq->items[BRCMF_SDIO_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
|
||||
fwreq->items[BRCMF_SDIO_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
|
||||
+ fwreq->board_type = bus->sdiodev->settings->board_type;
|
||||
|
||||
return fwreq;
|
||||
}
|
||||
--
|
||||
2.19.1
|
||||
|
||||
From patchwork Wed Oct 10 11:01:03 2018
|
||||
Content-Type: text/plain; charset="utf-8"
|
||||
MIME-Version: 1.0
|
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Content-Transfer-Encoding: 7bit
|
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X-Patchwork-Submitter: Hans de Goede <hdegoede@redhat.com>
|
||||
X-Patchwork-Id: 10634365
|
||||
X-Patchwork-Delegate: kvalo@adurom.com
|
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To: Arend van Spriel <arend.vanspriel@broadcom.com>,
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linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com
|
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Subject: [PATCH v2 6/6] brcmfmac: Cleanup brcmf_fw_request_done()
|
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Date: Wed, 10 Oct 2018 13:01:03 +0200
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Message-Id: <20181010110103.21857-6-hdegoede@redhat.com>
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Subject: [PATCH 5/5] brcmfmac: Cleanup brcmf_fw_request_done()
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The "cur" variable is now only used for a debug print and we already
|
||||
print the same info from brcmf_fw_complete_request(), so the debug print
|
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@ -1026,3 +610,6 @@ index 6755b2388fbc..b38c4b40b235 100644
|
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brcmf_fw_free_request(fwctx->req);
|
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fwctx->req = NULL;
|
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}
|
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--
|
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2.19.1
|
||||
|
||||
|
||||
112
hwmon-rpi-Fix-initial-notify.patch
Normal file
112
hwmon-rpi-Fix-initial-notify.patch
Normal file
@ -0,0 +1,112 @@
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From patchwork Sun Nov 11 12:01:11 2018
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linux-kernel@vger.kernel.org,
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Stefan Wahren <stefan.wahren@i2se.com>
|
||||
Subject: [PATCH] hwmon: rpi: Fix initial notify
|
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Date: Sun, 11 Nov 2018 13:01:11 +0100
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In case an under-voltage happens before probing the driver wont
|
||||
write the critical warning into the kernel log. So don't init
|
||||
of last_throttled during probe and fix this issue.
|
||||
|
||||
Fixes: 74d1e007915f ("hwmon: Add support for RPi voltage sensor")
|
||||
Reported-by: "Noralf Trønnes" <noralf@tronnes.org>
|
||||
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
|
||||
---
|
||||
drivers/hwmon/raspberrypi-hwmon.c | 6 ------
|
||||
1 file changed, 6 deletions(-)
|
||||
|
||||
diff --git a/drivers/hwmon/raspberrypi-hwmon.c b/drivers/hwmon/raspberrypi-hwmon.c
|
||||
index be5ba46..0d04572 100644
|
||||
--- a/drivers/hwmon/raspberrypi-hwmon.c
|
||||
+++ b/drivers/hwmon/raspberrypi-hwmon.c
|
||||
@@ -115,7 +115,6 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct rpi_hwmon_data *data;
|
||||
- int ret;
|
||||
|
||||
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
|
||||
if (!data)
|
||||
@@ -124,11 +123,6 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
|
||||
/* Parent driver assure that firmware is correct */
|
||||
data->fw = dev_get_drvdata(dev->parent);
|
||||
|
||||
- /* Init throttled */
|
||||
- ret = rpi_firmware_property(data->fw, RPI_FIRMWARE_GET_THROTTLED,
|
||||
- &data->last_throttled,
|
||||
- sizeof(data->last_throttled));
|
||||
-
|
||||
data->hwmon_dev = devm_hwmon_device_register_with_info(dev, "rpi_volt",
|
||||
data,
|
||||
&rpi_chip_info,
|
||||
10
kernel.spec
10
kernel.spec
@ -581,6 +581,12 @@ Patch330: bcm2835-cpufreq-add-CPU-frequency-control-driver.patch
|
||||
|
||||
Patch331: bcm283x-drm-vc4-set-is_yuv-to-false-when-num_planes-1.patch
|
||||
|
||||
# https://patchwork.kernel.org/patch/10686407/
|
||||
Patch332: raspberrypi-Fix-firmware-calls-with-large-buffers.patch
|
||||
|
||||
# https://patchwork.kernel.org/patch/10677591/
|
||||
Patch333: hwmon-rpi-Fix-initial-notify.patch
|
||||
|
||||
# Patches enabling device specific brcm firmware nvram
|
||||
# https://www.spinics.net/lists/linux-wireless/msg178827.html
|
||||
Patch340: brcmfmac-Remove-firmware-loading-code-duplication.patch
|
||||
@ -1872,6 +1878,10 @@ fi
|
||||
#
|
||||
#
|
||||
%changelog
|
||||
* Sat Nov 17 2018 Peter Robinson <pbrobinson@fedoraproject.org>
|
||||
- Fix WiFi on Raspberry Pi 3 on aarch64 (rhbz 1649344)
|
||||
- Fixes for Raspberry Pi hwmon driver and firmware interface
|
||||
|
||||
* Fri Nov 16 2018 Hans de Goede <hdegoede@redhat.com>
|
||||
- Enable a few modules needed for accelerometer and other sensor support
|
||||
on some HP X2 2-in-1s
|
||||
|
||||
245
raspberrypi-Fix-firmware-calls-with-large-buffers.patch
Normal file
245
raspberrypi-Fix-firmware-calls-with-large-buffers.patch
Normal file
@ -0,0 +1,245 @@
|
||||
From patchwork Fri Nov 16 14:39:07 2018
|
||||
Content-Type: text/plain; charset="utf-8"
|
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MIME-Version: 1.0
|
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|
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X-Patchwork-Submitter: James Hughes <james.hughes@raspberrypi.org>
|
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X-Patchwork-Id: 10686407
|
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Fri, 16 Nov 2018 06:39:53 -0800 (PST)
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From: James Hughes <james.hughes@raspberrypi.org>
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To: eric@anholt.net, stefan.wahren@i2se.com,
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linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org
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Subject: [PATCH v3] firmware: raspberrypi: Fix firmware calls with large
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buffers
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Date: Fri, 16 Nov 2018 14:39:07 +0000
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Commit a1547e0bca51 ("firmware: raspberrypi: Remove VLA usage")
|
||||
moved away from VLA's to a fixed maximum size for mailbox data.
|
||||
However, some mailbox calls use larger data buffers
|
||||
than the maximum allowed in that change. This fix therefor
|
||||
moves from using fixed buffers to kmalloc to ensure all sizes
|
||||
are catered for.
|
||||
|
||||
There is some documentation, which is somewhat out of date,
|
||||
on the mailbox calls here :
|
||||
https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
|
||||
|
||||
Fixes: a1547e0bca51 ("firmware: raspberrypi: Remove VLA usage")
|
||||
|
||||
Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
|
||||
Reviewed-by: Eric Anholt <eric@anholt.net>
|
||||
---
|
||||
drivers/firmware/raspberrypi.c | 35 +++++++++++++++++-----------------
|
||||
1 file changed, 18 insertions(+), 17 deletions(-)
|
||||
|
||||
v2: Changes to commit message and format only. No code change.
|
||||
v3: Moved declaration of header back to original position
|
||||
|
||||
diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
|
||||
index a200a2174611..44eb99807e33 100644
|
||||
--- a/drivers/firmware/raspberrypi.c
|
||||
+++ b/drivers/firmware/raspberrypi.c
|
||||
@@ -14,6 +14,7 @@
|
||||
#include <linux/module.h>
|
||||
#include <linux/of_platform.h>
|
||||
#include <linux/platform_device.h>
|
||||
+#include <linux/slab.h>
|
||||
#include <soc/bcm2835/raspberrypi-firmware.h>
|
||||
|
||||
#define MBOX_MSG(chan, data28) (((data28) & ~0xf) | ((chan) & 0xf))
|
||||
@@ -21,8 +22,6 @@
|
||||
#define MBOX_DATA28(msg) ((msg) & ~0xf)
|
||||
#define MBOX_CHAN_PROPERTY 8
|
||||
|
||||
-#define MAX_RPI_FW_PROP_BUF_SIZE 32
|
||||
-
|
||||
static struct platform_device *rpi_hwmon;
|
||||
|
||||
struct rpi_firmware {
|
||||
@@ -144,28 +143,30 @@ EXPORT_SYMBOL_GPL(rpi_firmware_property_list);
|
||||
int rpi_firmware_property(struct rpi_firmware *fw,
|
||||
u32 tag, void *tag_data, size_t buf_size)
|
||||
{
|
||||
- /* Single tags are very small (generally 8 bytes), so the
|
||||
- * stack should be safe.
|
||||
- */
|
||||
- u8 data[sizeof(struct rpi_firmware_property_tag_header) +
|
||||
- MAX_RPI_FW_PROP_BUF_SIZE];
|
||||
- struct rpi_firmware_property_tag_header *header =
|
||||
- (struct rpi_firmware_property_tag_header *)data;
|
||||
+ struct rpi_firmware_property_tag_header *header;
|
||||
int ret;
|
||||
|
||||
- if (WARN_ON(buf_size > sizeof(data) - sizeof(*header)))
|
||||
- return -EINVAL;
|
||||
+ /* Some mailboxes can use over 1k bytes. Rather than checking
|
||||
+ * size and using stack or kmalloc depending on requirements,
|
||||
+ * just use kmalloc. Mailboxes don't get called enough to worry
|
||||
+ * too much about the time taken in the allocation.
|
||||
+ */
|
||||
+ void *data = kmalloc(sizeof(*header) + buf_size, GFP_KERNEL);
|
||||
|
||||
+ if (!data)
|
||||
+ return -ENOMEM;
|
||||
+
|
||||
+ header = data;
|
||||
header->tag = tag;
|
||||
header->buf_size = buf_size;
|
||||
header->req_resp_size = 0;
|
||||
- memcpy(data + sizeof(struct rpi_firmware_property_tag_header),
|
||||
- tag_data, buf_size);
|
||||
+ memcpy(data + sizeof(*header), tag_data, buf_size);
|
||||
+
|
||||
+ ret = rpi_firmware_property_list(fw, data, buf_size + sizeof(*header));
|
||||
+
|
||||
+ memcpy(tag_data, data + sizeof(*header), buf_size);
|
||||
|
||||
- ret = rpi_firmware_property_list(fw, &data, buf_size + sizeof(*header));
|
||||
- memcpy(tag_data,
|
||||
- data + sizeof(struct rpi_firmware_property_tag_header),
|
||||
- buf_size);
|
||||
+ kfree(data);
|
||||
|
||||
return ret;
|
||||
}
|
||||
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Block a user