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			102 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From aaf6a5e86e36766abbeedf220462bde8031f9a72 Mon Sep 17 00:00:00 2001
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| From: Arend van Spriel <arend.vanspriel@broadcom.com>
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| Date: Thu, 14 Feb 2019 13:43:49 +0100
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| Subject: [PATCH] brcmfmac: create debugfs files for bus-specific layer
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| 
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| Since we moved the drivers debugfs directory under ieee80211 debugfs the
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| debugfs entries need to be added after wiphy_register() has been called.
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| For most part that has been done accordingly, but for the debugfs entries
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| added by SDIO it was not and failed silently. This patch fixes that by
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| adding a bus-layer callback for it.
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| 
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| Fixes: 856d5a011c86 ("brcmfmac: allocate struct brcmf_pub instance using wiphy_new()")
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| Reported-by: Russel King <linux@armlinux.org.uk>
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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   | 10 ++++++++++
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|  .../net/wireless/broadcom/brcm80211/brcmfmac/core.c  |  1 +
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|  .../net/wireless/broadcom/brcm80211/brcmfmac/sdio.c  | 12 +++++++-----
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|  3 files changed, 18 insertions(+), 5 deletions(-)
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| 
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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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| @@ -90,6 +90,7 @@ struct brcmf_bus_ops {
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|  	int (*get_memdump)(struct device *dev, void *data, size_t len);
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|  	int (*get_fwname)(struct device *dev, const char *ext,
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|  			  unsigned char *fw_name);
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| +	void (*debugfs_create)(struct device *dev);
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|  };
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|  
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|  
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| @@ -235,6 +236,15 @@ int brcmf_bus_get_fwname(struct brcmf_bu
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|  	return bus->ops->get_fwname(bus->dev, ext, fw_name);
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|  }
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|  
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| +static inline
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| +void brcmf_bus_debugfs_create(struct brcmf_bus *bus)
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| +{
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| +	if (!bus->ops->debugfs_create)
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| +		return;
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| +
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| +	return bus->ops->debugfs_create(bus->dev);
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| +}
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| +
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|  /*
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|   * interface functions from common layer
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|   */
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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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| @@ -1177,6 +1177,7 @@ static int brcmf_bus_started(struct brcm
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|  	brcmf_debugfs_add_entry(drvr, "revinfo", brcmf_revinfo_read);
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|  	brcmf_feat_debugfs_create(drvr);
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|  	brcmf_proto_debugfs_create(drvr);
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| +	brcmf_bus_debugfs_create(bus_if);
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|  
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|  	return 0;
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|  
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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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| @@ -3143,9 +3143,12 @@ static int brcmf_debugfs_sdio_count_read
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|  	return 0;
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|  }
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|  
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| -static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)
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| +static void brcmf_sdio_debugfs_create(struct device *dev)
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|  {
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| -	struct brcmf_pub *drvr = bus->sdiodev->bus_if->drvr;
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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_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
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| +	struct brcmf_sdio *bus = sdiodev->bus;
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|  	struct dentry *dentry = brcmf_debugfs_get_devdir(drvr);
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|  
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|  	if (IS_ERR_OR_NULL(dentry))
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| @@ -3165,7 +3168,7 @@ static int brcmf_sdio_checkdied(struct b
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|  	return 0;
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|  }
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|  
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| -static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)
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| +static void brcmf_sdio_debugfs_create(struct device *dev)
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|  {
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|  }
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|  #endif /* DEBUG */
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| @@ -3477,8 +3480,6 @@ 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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|  
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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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| @@ -4088,6 +4089,7 @@ static const struct brcmf_bus_ops brcmf_
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|  	.get_ramsize = brcmf_sdio_bus_get_ramsize,
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|  	.get_memdump = brcmf_sdio_bus_get_memdump,
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|  	.get_fwname = brcmf_sdio_get_fwname,
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| +	.debugfs_create = brcmf_sdio_debugfs_create
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|  };
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|  
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|  #define BRCMF_SDIO_FW_CODE	0
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