It was described by Arend as:
> This series is intended for 4.17 and includes following:
>
>  * rework bus layer attach code.
>  * remove duplicate variable declaration.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 0da9303e5b)
		
	
		
			
				
	
	
		
			191 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			191 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From de2a3027f6f15e2f6558dc4d178282ccc1f054db Mon Sep 17 00:00:00 2001
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From: Arend Van Spriel <arend.vanspriel@broadcom.com>
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Date: Tue, 20 Feb 2018 00:14:23 +0100
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Subject: [PATCH] brcmfmac: remove brcmf_bus_started() from bus api
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No longer needed to call this in bus layer so make it static and call
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it in the last phase of brcmf_attach() instead.
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Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
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Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
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Reviewed-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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 .../net/wireless/broadcom/brcm80211/brcmfmac/bus.h |  1 -
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 .../wireless/broadcom/brcm80211/brcmfmac/core.c    | 14 +++++++----
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 .../wireless/broadcom/brcm80211/brcmfmac/pcie.c    | 20 +---------------
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 .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    | 10 ++------
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 .../net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 28 ++++------------------
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 5 files changed, 16 insertions(+), 57 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
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@@ -253,7 +253,6 @@ void brcmf_dev_reset(struct device *dev)
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 /* Configure the "global" bus state used by upper layers */
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 void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state);
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-int brcmf_bus_started(struct device *dev);
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 s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len);
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 void brcmf_bus_add_txhdrlen(struct device *dev, uint len);
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
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@@ -1022,11 +1022,10 @@ static int brcmf_revinfo_read(struct seq
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 	return 0;
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 }
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-int brcmf_bus_started(struct device *dev)
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+static int brcmf_bus_started(struct brcmf_pub *drvr)
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 {
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 	int ret = -1;
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-	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
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-	struct brcmf_pub *drvr = bus_if->drvr;
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+	struct brcmf_bus *bus_if = drvr->bus_if;
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 	struct brcmf_if *ifp;
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 	struct brcmf_if *p2p_ifp;
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@@ -1043,7 +1042,7 @@ int brcmf_bus_started(struct device *dev
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 	brcmf_bus_change_state(bus_if, BRCMF_BUS_UP);
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 	/* do bus specific preinit here */
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-	ret = brcmf_bus_preinit(ifp->drvr->bus_if);
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+	ret = brcmf_bus_preinit(bus_if);
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 	if (ret < 0)
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 		goto fail;
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@@ -1163,7 +1162,12 @@ int brcmf_attach(struct device *dev, str
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 	/* attach firmware event handler */
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 	brcmf_fweh_attach(drvr);
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-	return ret;
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+	ret = brcmf_bus_started(drvr);
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+	if (ret != 0) {
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+		brcmf_err("dongle is not responding: err=%d\n", ret);
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+		goto fail;
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+	}
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+	return 0;
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 fail:
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 	brcmf_detach(dev);
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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@@ -1581,24 +1581,6 @@ static void brcmf_pcie_release_resource(
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 }
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-static int brcmf_pcie_attach_bus(struct brcmf_pciedev_info *devinfo)
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-{
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-	int ret;
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-
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-	/* Attach to the common driver interface */
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-	ret = brcmf_attach(&devinfo->pdev->dev, devinfo->settings);
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-	if (ret) {
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-		brcmf_err("brcmf_attach failed\n");
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-	} else {
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-		ret = brcmf_bus_started(&devinfo->pdev->dev);
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-		if (ret)
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-			brcmf_err("dongle is not responding\n");
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-	}
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-
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-	return ret;
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-}
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-
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-
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 static u32 brcmf_pcie_buscore_prep_addr(const struct pci_dev *pdev, u32 addr)
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 {
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 	u32 ret_addr;
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@@ -1735,7 +1717,7 @@ static void brcmf_pcie_setup(struct devi
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 	init_waitqueue_head(&devinfo->mbdata_resp_wait);
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 	brcmf_pcie_intr_enable(devinfo);
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-	if (brcmf_pcie_attach_bus(devinfo) == 0)
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+	if (brcmf_attach(&devinfo->pdev->dev, devinfo->settings) == 0)
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 		return;
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 	brcmf_pcie_bus_console_read(devinfo);
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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@@ -3422,6 +3422,8 @@ static int brcmf_sdio_bus_preinit(struct
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 	if (bus->rxbuf)
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 		bus->rxblen = value;
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+	brcmf_sdio_debugfs_create(bus);
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+
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 	/* the commands below use the terms tx and rx from
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 	 * a device perspective, ie. bus:txglom affects the
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 	 * bus transfers from device to host.
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@@ -4136,14 +4138,6 @@ static void brcmf_sdio_firmware_callback
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 		goto fail;
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 	}
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-	brcmf_sdio_debugfs_create(bus);
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-
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-	err = brcmf_bus_started(dev);
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-	if (err != 0) {
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-		brcmf_err("dongle is not responding\n");
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-		goto fail;
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-	}
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-
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 	/* ready */
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 	return;
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
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@@ -1155,27 +1155,6 @@ static const struct brcmf_bus_ops brcmf_
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 	.get_fwname = brcmf_usb_get_fwname,
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 };
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-static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo)
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-{
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-	int ret;
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-
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-	/* Attach to the common driver interface */
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-	ret = brcmf_attach(devinfo->dev, devinfo->settings);
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-	if (ret) {
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-		brcmf_err("brcmf_attach failed\n");
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-		return ret;
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-	}
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-
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-	ret = brcmf_bus_started(devinfo->dev);
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-	if (ret)
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-		goto fail;
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-
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-	return 0;
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-fail:
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-	brcmf_detach(devinfo->dev);
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-	return ret;
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-}
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-
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 static void brcmf_usb_probe_phase2(struct device *dev, int ret,
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 				   const struct firmware *fw,
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 				   void *nvram, u32 nvlen)
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@@ -1203,7 +1182,8 @@ static void brcmf_usb_probe_phase2(struc
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 	if (ret)
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 		goto error;
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-	ret = brcmf_usb_bus_setup(devinfo);
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+	/* Attach to the common driver interface */
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+	ret = brcmf_attach(devinfo->dev, devinfo->settings);
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 	if (ret)
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 		goto error;
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@@ -1253,7 +1233,7 @@ static int brcmf_usb_probe_cb(struct brc
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 	}
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 	if (!brcmf_usb_dlneeded(devinfo)) {
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-		ret = brcmf_usb_bus_setup(devinfo);
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+		ret = brcmf_attach(devinfo->dev, devinfo->settings);
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 		if (ret)
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 			goto fail;
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 		/* we are done */
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@@ -1456,7 +1436,7 @@ static int brcmf_usb_resume(struct usb_i
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 	brcmf_dbg(USB, "Enter\n");
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 	if (!devinfo->wowl_enabled)
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-		return brcmf_usb_bus_setup(devinfo);
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+		return brcmf_attach(devinfo->dev, devinfo->settings);
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 	devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP;
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 	brcmf_usb_rx_fill_all(devinfo);
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