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brcmfmac: Add module parameter to disable features. 

For debugging purpose it is very handy to be able to disable
features. It has happened a few times that new features turned
out not always being properly detected for all devices/firmwares.
Making it possible to disable the feature with a module parameter
will make testing/debugging easier.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Hante Meuleman 2015-09-18 22:08:15 +02:00 committed by Kalle Valo
parent 35a3cbcc49
commit 8268c2011d
1 changed files with 13 additions and 0 deletions
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13
drivers/net/wireless/brcm80211/brcmfmac/feature.c
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@ -15,6 +15,7 @@
*/ */
#include <linux/netdevice.h> #include <linux/netdevice.h>
#include <linux/module.h>
#include <brcm_hw_ids.h> #include <brcm_hw_ids.h>
#include "core.h" #include "core.h"
@ -23,6 +24,12 @@
#include "fwil.h" #include "fwil.h"
#include "feature.h" #include "feature.h"
/* Module param feature_disable (global for all devices) */
static int brcmf_feature_disable;
module_param_named(feature_disable, brcmf_feature_disable, int, 0);
MODULE_PARM_DESC(feature_disable, "Disable features");
/* /*
* expand feature list to array of feature strings. * expand feature list to array of feature strings.
*/ */
@ -131,6 +138,12 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
brcmf_feat_iovar_int_set(ifp, BRCMF_FEAT_MBSS, "mbss", 0); brcmf_feat_iovar_int_set(ifp, BRCMF_FEAT_MBSS, "mbss", 0);
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_P2P, "p2p"); brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_P2P, "p2p");
if (brcmf_feature_disable) {
brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n",
ifp->drvr->feat_flags, brcmf_feature_disable);
ifp->drvr->feat_flags &= ~brcmf_feature_disable;
}
/* set chip related quirks */ /* set chip related quirks */
switch (drvr->bus_if->chip) { switch (drvr->bus_if->chip) {
case BRCM_CC_43236_CHIP_ID: case BRCM_CC_43236_CHIP_ID: