From: Jerome Pouiller <Jerome.Pouiller@silabs.com>
To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
Kalle Valo <kvalo@codeaurora.org>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"David S . Miller" <davem@davemloft.net>,
devicetree@vger.kernel.org, "Rob Herring" <robh+dt@kernel.org>,
linux-mmc@vger.kernel.org, "Pali Rohár" <pali@kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Jérôme Pouiller" <jerome.pouiller@silabs.com>
Subject: [PATCH v9 09/24] wfx: add hwio.c/hwio.h
Date: Tue, 11 Jan 2022 18:14:09 +0100 [thread overview]
Message-ID: <20220111171424.862764-10-Jerome.Pouiller@silabs.com> (raw)
In-Reply-To: <20220111171424.862764-1-Jerome.Pouiller@silabs.com>
From: Jérôme Pouiller <jerome.pouiller@silabs.com>
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
---
drivers/net/wireless/silabs/wfx/hwio.c | 335 +++++++++++++++++++++++++
drivers/net/wireless/silabs/wfx/hwio.h | 78 ++++++
2 files changed, 413 insertions(+)
create mode 100644 drivers/net/wireless/silabs/wfx/hwio.c
create mode 100644 drivers/net/wireless/silabs/wfx/hwio.h
diff --git a/drivers/net/wireless/silabs/wfx/hwio.c b/drivers/net/wireless/silabs/wfx/hwio.c
new file mode 100644
index 000000000000..c15810bdaecb
--- /dev/null
+++ b/drivers/net/wireless/silabs/wfx/hwio.c
@@ -0,0 +1,335 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Low-level I/O functions.
+ *
+ * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
+ * Copyright (c) 2010, ST-Ericsson
+ */
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/align.h>
+
+#include "hwio.h"
+#include "wfx.h"
+#include "bus.h"
+#include "traces.h"
+
+#define WFX_HIF_BUFFER_SIZE 0x2000
+
+static int wfx_read32(struct wfx_dev *wdev, int reg, u32 *val)
+{
+ int ret;
+ __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL);
+
+ *val = ~0; /* Never return undefined value */
+ if (!tmp)
+ return -ENOMEM;
+ ret = wdev->hwbus_ops->copy_from_io(wdev->hwbus_priv, reg, tmp, sizeof(u32));
+ if (ret >= 0)
+ *val = le32_to_cpu(*tmp);
+ kfree(tmp);
+ if (ret)
+ dev_err(wdev->dev, "%s: bus communication error: %d\n", __func__, ret);
+ return ret;
+}
+
+static int wfx_write32(struct wfx_dev *wdev, int reg, u32 val)
+{
+ int ret;
+ __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL);
+
+ if (!tmp)
+ return -ENOMEM;
+ *tmp = cpu_to_le32(val);
+ ret = wdev->hwbus_ops->copy_to_io(wdev->hwbus_priv, reg, tmp, sizeof(u32));
+ kfree(tmp);
+ if (ret)
+ dev_err(wdev->dev, "%s: bus communication error: %d\n", __func__, ret);
+ return ret;
+}
+
+static int wfx_read32_locked(struct wfx_dev *wdev, int reg, u32 *val)
+{
+ int ret;
+
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wfx_read32(wdev, reg, val);
+ _trace_io_read32(reg, *val);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ return ret;
+}
+
+static int wfx_write32_locked(struct wfx_dev *wdev, int reg, u32 val)
+{
+ int ret;
+
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wfx_write32(wdev, reg, val);
+ _trace_io_write32(reg, val);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ return ret;
+}
+
+static int wfx_write32_bits_locked(struct wfx_dev *wdev,
+ int reg, u32 mask, u32 val)
+{
+ int ret;
+ u32 val_r, val_w;
+
+ WARN_ON(~mask & val);
+ val &= mask;
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wfx_read32(wdev, reg, &val_r);
+ _trace_io_read32(reg, val_r);
+ if (ret < 0)
+ goto err;
+ val_w = (val_r & ~mask) | val;
+ if (val_w != val_r) {
+ ret = wfx_write32(wdev, reg, val_w);
+ _trace_io_write32(reg, val_w);
+ }
+err:
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ return ret;
+}
+
+static int wfx_indirect_read(struct wfx_dev *wdev, int reg, u32 addr,
+ void *buf, size_t len)
+{
+ int ret;
+ int i;
+ u32 cfg;
+ u32 prefetch;
+
+ WARN_ON(len >= WFX_HIF_BUFFER_SIZE);
+ WARN_ON(reg != WFX_REG_AHB_DPORT && reg != WFX_REG_SRAM_DPORT);
+
+ if (reg == WFX_REG_AHB_DPORT)
+ prefetch = CFG_PREFETCH_AHB;
+ else if (reg == WFX_REG_SRAM_DPORT)
+ prefetch = CFG_PREFETCH_SRAM;
+ else
+ return -ENODEV;
+
+ ret = wfx_write32(wdev, WFX_REG_BASE_ADDR, addr);
+ if (ret < 0)
+ goto err;
+
+ ret = wfx_read32(wdev, WFX_REG_CONFIG, &cfg);
+ if (ret < 0)
+ goto err;
+
+ ret = wfx_write32(wdev, WFX_REG_CONFIG, cfg | prefetch);
+ if (ret < 0)
+ goto err;
+
+ for (i = 0; i < 20; i++) {
+ ret = wfx_read32(wdev, WFX_REG_CONFIG, &cfg);
+ if (ret < 0)
+ goto err;
+ if (!(cfg & prefetch))
+ break;
+ usleep_range(200, 250);
+ }
+ if (i == 20) {
+ ret = -ETIMEDOUT;
+ goto err;
+ }
+
+ ret = wdev->hwbus_ops->copy_from_io(wdev->hwbus_priv, reg, buf, len);
+
+err:
+ if (ret < 0)
+ memset(buf, 0xFF, len); /* Never return undefined value */
+ return ret;
+}
+
+static int wfx_indirect_write(struct wfx_dev *wdev, int reg, u32 addr,
+ const void *buf, size_t len)
+{
+ int ret;
+
+ WARN_ON(len >= WFX_HIF_BUFFER_SIZE);
+ WARN_ON(reg != WFX_REG_AHB_DPORT && reg != WFX_REG_SRAM_DPORT);
+ ret = wfx_write32(wdev, WFX_REG_BASE_ADDR, addr);
+ if (ret < 0)
+ return ret;
+
+ return wdev->hwbus_ops->copy_to_io(wdev->hwbus_priv, reg, buf, len);
+}
+
+static int wfx_indirect_read_locked(struct wfx_dev *wdev, int reg, u32 addr,
+ void *buf, size_t len)
+{
+ int ret;
+
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wfx_indirect_read(wdev, reg, addr, buf, len);
+ _trace_io_ind_read(reg, addr, buf, len);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ return ret;
+}
+
+static int wfx_indirect_write_locked(struct wfx_dev *wdev, int reg, u32 addr,
+ const void *buf, size_t len)
+{
+ int ret;
+
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wfx_indirect_write(wdev, reg, addr, buf, len);
+ _trace_io_ind_write(reg, addr, buf, len);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ return ret;
+}
+
+static int wfx_indirect_read32_locked(struct wfx_dev *wdev, int reg, u32 addr, u32 *val)
+{
+ int ret;
+ __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL);
+
+ if (!tmp)
+ return -ENOMEM;
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wfx_indirect_read(wdev, reg, addr, tmp, sizeof(u32));
+ *val = le32_to_cpu(*tmp);
+ _trace_io_ind_read32(reg, addr, *val);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ kfree(tmp);
+ return ret;
+}
+
+static int wfx_indirect_write32_locked(struct wfx_dev *wdev, int reg,
+ u32 addr, u32 val)
+{
+ int ret;
+ __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL);
+
+ if (!tmp)
+ return -ENOMEM;
+ *tmp = cpu_to_le32(val);
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wfx_indirect_write(wdev, reg, addr, tmp, sizeof(u32));
+ _trace_io_ind_write32(reg, addr, val);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ kfree(tmp);
+ return ret;
+}
+
+int wfx_data_read(struct wfx_dev *wdev, void *buf, size_t len)
+{
+ int ret;
+
+ WARN(!IS_ALIGNED((uintptr_t)buf, 4), "unaligned buffer");
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wdev->hwbus_ops->copy_from_io(wdev->hwbus_priv, WFX_REG_IN_OUT_QUEUE, buf, len);
+ _trace_io_read(WFX_REG_IN_OUT_QUEUE, buf, len);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ if (ret)
+ dev_err(wdev->dev, "%s: bus communication error: %d\n", __func__, ret);
+ return ret;
+}
+
+int wfx_data_write(struct wfx_dev *wdev, const void *buf, size_t len)
+{
+ int ret;
+
+ WARN(!IS_ALIGNED((uintptr_t)buf, 4), "unaligned buffer");
+ wdev->hwbus_ops->lock(wdev->hwbus_priv);
+ ret = wdev->hwbus_ops->copy_to_io(wdev->hwbus_priv, WFX_REG_IN_OUT_QUEUE, buf, len);
+ _trace_io_write(WFX_REG_IN_OUT_QUEUE, buf, len);
+ wdev->hwbus_ops->unlock(wdev->hwbus_priv);
+ if (ret)
+ dev_err(wdev->dev, "%s: bus communication error: %d\n", __func__, ret);
+ return ret;
+}
+
+int wfx_sram_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len)
+{
+ return wfx_indirect_read_locked(wdev, WFX_REG_SRAM_DPORT, addr, buf, len);
+}
+
+int wfx_ahb_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len)
+{
+ return wfx_indirect_read_locked(wdev, WFX_REG_AHB_DPORT, addr, buf, len);
+}
+
+int wfx_sram_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len)
+{
+ return wfx_indirect_write_locked(wdev, WFX_REG_SRAM_DPORT, addr, buf, len);
+}
+
+int wfx_ahb_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len)
+{
+ return wfx_indirect_write_locked(wdev, WFX_REG_AHB_DPORT, addr, buf, len);
+}
+
+int wfx_sram_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val)
+{
+ return wfx_indirect_read32_locked(wdev, WFX_REG_SRAM_DPORT, addr, val);
+}
+
+int wfx_ahb_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val)
+{
+ return wfx_indirect_read32_locked(wdev, WFX_REG_AHB_DPORT, addr, val);
+}
+
+int wfx_sram_reg_write(struct wfx_dev *wdev, u32 addr, u32 val)
+{
+ return wfx_indirect_write32_locked(wdev, WFX_REG_SRAM_DPORT, addr, val);
+}
+
+int wfx_ahb_reg_write(struct wfx_dev *wdev, u32 addr, u32 val)
+{
+ return wfx_indirect_write32_locked(wdev, WFX_REG_AHB_DPORT, addr, val);
+}
+
+int wfx_config_reg_read(struct wfx_dev *wdev, u32 *val)
+{
+ return wfx_read32_locked(wdev, WFX_REG_CONFIG, val);
+}
+
+int wfx_config_reg_write(struct wfx_dev *wdev, u32 val)
+{
+ return wfx_write32_locked(wdev, WFX_REG_CONFIG, val);
+}
+
+int wfx_config_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val)
+{
+ return wfx_write32_bits_locked(wdev, WFX_REG_CONFIG, mask, val);
+}
+
+int wfx_control_reg_read(struct wfx_dev *wdev, u32 *val)
+{
+ return wfx_read32_locked(wdev, WFX_REG_CONTROL, val);
+}
+
+int wfx_control_reg_write(struct wfx_dev *wdev, u32 val)
+{
+ return wfx_write32_locked(wdev, WFX_REG_CONTROL, val);
+}
+
+int wfx_control_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val)
+{
+ return wfx_write32_bits_locked(wdev, WFX_REG_CONTROL, mask, val);
+}
+
+int wfx_igpr_reg_read(struct wfx_dev *wdev, int index, u32 *val)
+{
+ int ret;
+
+ *val = ~0; /* Never return undefined value */
+ ret = wfx_write32_locked(wdev, WFX_REG_SET_GEN_R_W, IGPR_RW | index << 24);
+ if (ret)
+ return ret;
+ ret = wfx_read32_locked(wdev, WFX_REG_SET_GEN_R_W, val);
+ if (ret)
+ return ret;
+ *val &= IGPR_VALUE;
+ return ret;
+}
+
+int wfx_igpr_reg_write(struct wfx_dev *wdev, int index, u32 val)
+{
+ return wfx_write32_locked(wdev, WFX_REG_SET_GEN_R_W, index << 24 | val);
+}
diff --git a/drivers/net/wireless/silabs/wfx/hwio.h b/drivers/net/wireless/silabs/wfx/hwio.h
new file mode 100644
index 000000000000..c6e7b065b7ff
--- /dev/null
+++ b/drivers/net/wireless/silabs/wfx/hwio.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Low-level I/O functions.
+ *
+ * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
+ * Copyright (c) 2010, ST-Ericsson
+ */
+#ifndef WFX_HWIO_H
+#define WFX_HWIO_H
+
+#include <linux/types.h>
+
+struct wfx_dev;
+
+/* Caution: in the functions below, 'buf' will used with a DMA. So, it must be kmalloc'd (do not use
+ * stack allocated buffers). In doubt, enable CONFIG_DEBUG_SG to detect badly located buffer.
+ */
+int wfx_data_read(struct wfx_dev *wdev, void *buf, size_t buf_len);
+int wfx_data_write(struct wfx_dev *wdev, const void *buf, size_t buf_len);
+
+int wfx_sram_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len);
+int wfx_sram_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len);
+
+int wfx_ahb_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len);
+int wfx_ahb_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len);
+
+int wfx_sram_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val);
+int wfx_sram_reg_write(struct wfx_dev *wdev, u32 addr, u32 val);
+
+int wfx_ahb_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val);
+int wfx_ahb_reg_write(struct wfx_dev *wdev, u32 addr, u32 val);
+
+#define CFG_ERR_SPI_FRAME 0x00000001 /* only with SPI */
+#define CFG_ERR_SDIO_BUF_MISMATCH 0x00000001 /* only with SDIO */
+#define CFG_ERR_BUF_UNDERRUN 0x00000002
+#define CFG_ERR_DATA_IN_TOO_LARGE 0x00000004
+#define CFG_ERR_HOST_NO_OUT_QUEUE 0x00000008
+#define CFG_ERR_BUF_OVERRUN 0x00000010
+#define CFG_ERR_DATA_OUT_TOO_LARGE 0x00000020
+#define CFG_ERR_HOST_NO_IN_QUEUE 0x00000040
+#define CFG_ERR_HOST_CRC_MISS 0x00000080 /* only with SDIO */
+#define CFG_SPI_IGNORE_CS 0x00000080 /* only with SPI */
+#define CFG_BYTE_ORDER_MASK 0x00000300 /* only writable with SPI */
+#define CFG_BYTE_ORDER_BADC 0x00000000
+#define CFG_BYTE_ORDER_DCBA 0x00000100
+#define CFG_BYTE_ORDER_ABCD 0x00000200 /* SDIO always use this value */
+#define CFG_DIRECT_ACCESS_MODE 0x00000400
+#define CFG_PREFETCH_AHB 0x00000800
+#define CFG_DISABLE_CPU_CLK 0x00001000
+#define CFG_PREFETCH_SRAM 0x00002000
+#define CFG_CPU_RESET 0x00004000
+#define CFG_SDIO_DISABLE_IRQ 0x00008000 /* only with SDIO */
+#define CFG_IRQ_ENABLE_DATA 0x00010000
+#define CFG_IRQ_ENABLE_WRDY 0x00020000
+#define CFG_CLK_RISE_EDGE 0x00040000
+#define CFG_SDIO_DISABLE_CRC_CHK 0x00080000 /* only with SDIO */
+#define CFG_RESERVED 0x00F00000
+#define CFG_DEVICE_ID_MAJOR 0x07000000
+#define CFG_DEVICE_ID_RESERVED 0x78000000
+#define CFG_DEVICE_ID_TYPE 0x80000000
+int wfx_config_reg_read(struct wfx_dev *wdev, u32 *val);
+int wfx_config_reg_write(struct wfx_dev *wdev, u32 val);
+int wfx_config_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val);
+
+#define CTRL_NEXT_LEN_MASK 0x00000FFF
+#define CTRL_WLAN_WAKEUP 0x00001000
+#define CTRL_WLAN_READY 0x00002000
+int wfx_control_reg_read(struct wfx_dev *wdev, u32 *val);
+int wfx_control_reg_write(struct wfx_dev *wdev, u32 val);
+int wfx_control_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val);
+
+#define IGPR_RW 0x80000000
+#define IGPR_INDEX 0x7F000000
+#define IGPR_VALUE 0x00FFFFFF
+int wfx_igpr_reg_read(struct wfx_dev *wdev, int index, u32 *val);
+int wfx_igpr_reg_write(struct wfx_dev *wdev, int index, u32 val);
+
+#endif
--
2.34.1
next prev parent reply other threads:[~2022-01-11 17:15 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-11 17:14 [PATCH v9 00/24] wfx: get out from the staging area Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip Jerome Pouiller
2022-01-12 10:58 ` Ulf Hansson
2022-01-12 12:45 ` Kalle Valo
2022-01-11 17:14 ` [PATCH v9 02/24] dt-bindings: introduce silabs,wfx.yaml Jerome Pouiller
2022-01-11 20:49 ` Rob Herring
2022-01-11 22:19 ` Rob Herring
2022-01-12 9:51 ` Jérôme Pouiller
2022-01-11 17:14 ` [PATCH v9 03/24] wfx: add Makefile/Kconfig Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 04/24] wfx: add wfx.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 05/24] wfx: add main.c/main.h Jerome Pouiller
2022-01-26 8:20 ` Jérôme Pouiller
2022-02-10 14:20 ` Kalle Valo
2022-02-10 14:41 ` Jérôme Pouiller
2022-02-10 14:51 ` Kalle Valo
2022-02-10 15:13 ` Jérôme Pouiller
2022-02-10 16:25 ` Kalle Valo
2022-02-10 16:37 ` Jérôme Pouiller
2022-02-11 7:08 ` Kalle Valo
2022-02-10 14:23 ` Pali Rohár
2022-01-11 17:14 ` [PATCH v9 06/24] wfx: add bus.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 07/24] wfx: add bus_spi.c Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 08/24] wfx: add bus_sdio.c Jerome Pouiller
2022-01-12 10:51 ` Ulf Hansson
2022-01-12 10:58 ` Pali Rohár
2022-01-12 11:18 ` Jérôme Pouiller
2022-01-12 11:43 ` Pali Rohár
2022-01-12 12:06 ` Greg Kroah-Hartman
2022-01-12 12:14 ` Pali Rohár
2022-01-12 15:03 ` Ulf Hansson
2022-01-12 16:45 ` Jérôme Pouiller
2022-01-12 17:48 ` Pali Rohár
2022-01-12 18:23 ` Jérôme Pouiller
2022-01-13 12:07 ` Ulf Hansson
2022-01-11 17:14 ` Jerome Pouiller [this message]
2022-01-11 17:14 ` [PATCH v9 10/24] wfx: add fwio.c/fwio.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 11/24] wfx: add bh.c/bh.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 12/24] wfx: add hif_api_*.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 13/24] wfx: add hif_tx*.c/hif_tx*.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 14/24] wfx: add key.c/key.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 15/24] wfx: add hif_rx.c/hif_rx.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 16/24] wfx: add data_rx.c/data_rx.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 17/24] wfx: add queue.c/queue.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 18/24] wfx: add data_tx.c/data_tx.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 19/24] wfx: add sta.c/sta.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 20/24] wfx: add scan.c/scan.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 21/24] wfx: add debug.c/debug.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 22/24] wfx: add traces.h Jerome Pouiller
2022-01-11 17:14 ` [PATCH v9 23/24] wfx: remove from the staging area Jerome Pouiller
2022-01-12 7:49 ` Kalle Valo
2022-01-12 9:32 ` Jérôme Pouiller
2022-01-12 12:46 ` Kalle Valo
2022-01-11 17:14 ` [PATCH v9 24/24] wfx: get out " Jerome Pouiller
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