staging: rtl8723bs: use is_broadcast_ether_addr() instead of memcmp()

Use is_broadcast_ether_addr() instead of memcmp to check
if the ethernet address is broadcast address.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230804083841.1321554-2-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Fix alignment to match open parenthesis

Adhere to Linux coding style. Fixes checkpatch warnings:
CHECK: Alignment should match open parenthesis
CHECK: line length of 101 exceeds 100 columns

Signed-off-by: Soumya Negi <soumya.negi97@gmail.com>
Link: https://lore.kernel.org/r/20220513025553.13634-1-soumya.negi97@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: clean up comparsions to NULL

Clean up comparsions to NULL reported by checkpatch.

x == NULL -> !x
x != NULL -> x

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210829154533.11054-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: unwrap initialization of queues

unwrap initialization of queues to avoid false positive
lockdep warning:

[ 27.350258] ============================================
[ 27.350267] WARNING: possible recursive locking detected
[ 27.350276] 5.14.0-rc6+ #16 Tainted: G C OE
[ 27.350288] --------------------------------------------
[ 27.350295] RTW_CMD_THREAD/679 is trying to acquire lock:
[ 27.350306] ffffa846c03290c8 (&(pqueue->lock)){+.-.}-{2:2},
at: rtw_alloc_network+0x1b/0xa0 [r8723bs]
[ 27.350441]
but task is already holding lock:
[ 27.350448] ffffa846c0329118 (&(pqueue->lock)){+.-.}-{2:2},
at: rtw_update_scanned_network+0x33/0x1d0 [r8723bs]
[ 27.350573]
other info that might help us debug this:
[ 27.350581] Possible unsafe locking scenario:

[ 27.350588] CPU0
[ 27.350594] ----
[ 27.350600] lock(&(pqueue->lock));
[ 27.350614] lock(&(pqueue->lock));
[ 27.350627]
*** DEADLOCK ***

[ 27.350634] May be due to missing lock nesting notation

[ 27.350641] 2 locks held by RTW_CMD_THREAD/679:
[ 27.350652] #0: ffffa846c0329038 (&pmlmepriv->lock){+...}-{2:2},
at: rtw_survey_event_callback+0x2d/0xe0 [r8723bs]
[ 27.350780] #1: ffffa846c0329118 (&(pqueue->lock)){+.-.}-{2:2},
at: rtw_update_scanned_network+0x33/0x1d0 [r8723bs]
[ 27.350907]
stack backtrace:
[ 27.350916] CPU: 3 PID: 679 Comm: RTW_CMD_THREAD Tainted: G
C OE 5.14.0-rc6+ #16
[ 27.350933] Hardware name: LENOVO 80NR/Madrid, BIOS DACN25WW
08/20/2015
[ 27.350943] Call Trace:
[ 27.350959] dump_stack_lvl+0x56/0x6f
[ 27.350982] __lock_acquire.cold.79+0x137/0x298
[ 27.351012] lock_acquire+0xb4/0x2c0
[ 27.351031] ? rtw_alloc_network+0x1b/0xa0 [r8723bs]
[ 27.351140] ? rtw_update_scanned_network+0x33/0x1d0 [r8723bs]
[ 27.351254] _raw_spin_lock_bh+0x34/0x40
[ 27.351271] ? rtw_alloc_network+0x1b/0xa0 [r8723bs]
[ 27.351378] rtw_alloc_network+0x1b/0xa0 [r8723bs]
[ 27.351488] rtw_update_scanned_network+0xa5/0x1d0 [r8723bs]
[ 27.351605] rtw_survey_event_callback+0x54/0xe0 [r8723bs]
[ 27.351719] mlme_evt_hdl+0x4e/0x70 [r8723bs]
[ 27.351839] rtw_cmd_thread+0x16c/0x3d0 [r8723bs]
[ 27.351945] ? rtw_stop_cmd_thread+0x50/0x50 [r8723bs]
[ 27.352045] kthread+0x136/0x160
[ 27.352064] ? set_kthread_struct+0x40/0x40
[ 27.352083] ret_from_fork+0x22/0x30

This happens because the wrapping function _rtw_init_queues()
bring lockdep considering all queues as a single one. But
all queues are different with their own lock.

Applied the following semantic patch:

@@
expression a;
@@

- _rtw_init_queue(&a);
+ INIT_LIST_HEAD(&a.queue);
+ spin_lock_init(&a.lock);

Reported-by: Hans De Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/c2c3a18cc2b883feab74f150ccbaa4f2cc11995c.1630307025.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove rf type branching (fourth patch)

remove all function calls to rtw_get_hw_reg made to
read HW_VAR_RF_TYPE and get value of rt_type, which
is always 1T1R. Clean up code on removal sites,
keeping 1T1R code unconditionally.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/8ca2f788c42d81b9cb4dbc46e23c7549dc27d081.1628329348.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove unused macros

remove unused macros detected by -Wunused-macros
gcc option.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/20210801134629.23433-1-fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: fix camel case in struct ndis_802_11_ssid

fix camel case in struct ndis_802_11_ssid all over the driver.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/e7c4cc09840e112d59ed7dcf8465f1916f95b819.1626874164.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: fix camel case in struct ndis_802_11_conf

fix camel case in struct ndis_802_11_conf

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/90317df66de1476515bf46477ac097a73f35cf81.1626874164.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: fix camel case in struct wlan_bssid_ex

fix camel case in struct wlan_bssid_ex.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/561065e95ff38f0dbedf030c3acf0498396a1759.1626874164.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: fix camel case name in macro IsSupportedTxCCK

fix camel case name in macro IsSupportedTxCCK

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/65aec26a3c25f1e756e33bf5f7f5af0cd3b105df.1626533647.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: convert function to static

function chk_sta_is_alive() is used only inside core/rtw_ap.c
so remove the prototype and convert it to static.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/20210623130103.7727-1-fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove all 5Ghz network types

remove all 5Ghz network types. rtl8723bs works on
802.11bgn standards and on 2.4Ghz band.

So remove all code related to 802.11a and 802.11ac
standards, which the device doesn't support.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/7e4644a71d0ba2819370171b3dc78bfc755f6313.1624367071.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: use list_for_each_safe in loops deleting iterated items

Fix some beautified loops over linked lists.
Use list_for_each_safe on loops which could delete
objects in the list.

Fixes: b3cd518c5abd ("staging: rtl8723bs: Use list iterators and helpers")
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/20210607134618.11237-1-fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove if (true) statement

'if (true) { ... }' will always evaluate to true. Remove it and
save a few tabs for somewhere else.

Signed-off-by: Bryan Brattlof <hello@bryanbrattlof.com>
Link: https://lore.kernel.org/r/20210518144335.1677320-1-hello@bryanbrattlof.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Use list iterators and helpers

The rtl8723bs driver manually re-implements list helper functions
and macros in various ways. Replace with existing list helpers.

The following coccinelle script was used to convert the code.

@@
identifier v1, v2, v3, v4;
symbol next;
expression e;
iterator name list_for_each;
statement S;
@@

<+...
(
- e = v1->next;
|
- e = get_next(v1);
)
... when != e
- while ( \( v1 != e \| e != v1 \) )
+ list_for_each (e, v1)
{
...
- v2 = container_of(e, struct v3, v4);
+ v2 = list_entry(e, struct v3, v4);
?- if (!v2) S
...
(
- e = e->next;
|
- e = get_next(e);
)
... when != e
}
...+>

@@
identifier v1, v2, v3, v4;
symbol next;
expression e;
iterator name list_for_each;
statement S;
@@

<+...
(
- e = v1->next;
|
- e = get_next(v1);
)
... when != e
- while (1)
+ list_for_each (e, v1)
{
- if ( \( e == v1 \| v1 == e \) )
- break;
...
- v2 = container_of(e, struct v3, v4);
+ v2 = list_entry(e, struct v3, v4);
?- if (!v2) S
...
(
- e = e->next;
|
- e = get_next(e);
)
... when != e
}
...+>

Manually fixed up formatting, and added auto-removed comments back in.
Compile tested only.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210428173301.149619-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: remove unneeded variable

Below are the changes:

Remove unneeded variable "u8 *pbuf" from function start_bss_network
argument as this can be get from first argument "padapter"

Remove the struct wlan_bssid_ex *network from createbss_hdl function
as this is only used to pass as second argument to start_bss_network()

Remove the struct mlme_priv *mlmepriv from rtw_ap_restore_network
function as this is only used to pass as second argument
to start_bss_network()

Signed-off-by: Saurav Girepunje <saurav.girepunje@google.com>
Link: https://lore.kernel.org/r/20210428154011.GA5571@user
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove extra indent

There is an extra tab in the conditional statement. This removes it.

Signed-off-by: Bryan Brattlof <hello@bryanbrattlof.com>
Link: https://lore.kernel.org/r/20210407201842.80074-1-hello@bryanbrattlof.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove unnecessary bracks on DBG_871X removal sites

remove unnecessary bracks on DBG_871X removal sites

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/35f5edf0f39b717b3de3ad7861cbaa5f4ba60576.1617802415.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove empty #ifdef blocks after DBG_871X removal

remove #ifdef and blocks #if defined() blocks left empty
after DBG_871X removal.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/4e19eb1c71bc1d43d30c1b0a04851ab7ce528f36.1617802415.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers: rtl8723bs: rewrite comparison to null

fix following post-commit hook checkpatch warnings:

CHECK: Comparison to NULL could be written "!psta"
97: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:2115:
+ if (psta == NULL)

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/0c6d53c851d1b07eb0183108e0bad7b4f273f04b.1617802415.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove all if-else empty blocks left by DBG_871X removal

remove all if-else empty {} blocks left by spatch application.

removed unused variables and an unused static function definition
after if-else blocks removal, to suppress compiler warnings.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/56055b20bc064d7ac1e8f14bd1ed42aba6b02c36.1617802415.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove commented out DBG_871X logs

remove all commented out DBG_871X logs unmatched by
semantic patch.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/125e216e3bb5bc938e06b15dadfbbf51d9517dde.1617802415.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove all DBG_871X logs

Remove all of the DBG_871X logs as they
currently do nothing as they require the code to be modified by
hand in order to be turned on. This obviously has not happened
since the code was merged, so just remove them as they are unused.

applied the following semantic patch script:

@@
expression a, b, c, d, e, f, g, h, i, j, k;
constant B, C, D, E;
@@

(
- DBG_871X(a);
|
- DBG_871X(a, b);
|
- DBG_871X(a, B);
|
- DBG_871X(a, b, c);
|
- DBG_871X(a, B, c);
|
- DBG_871X(a, b, C);
|
- DBG_871X(a, B, C);
|
- DBG_871X(a, b, c, d);
|
- DBG_871X(a, B, c, d);
|
- DBG_871X(a, b, C, d);
|
- DBG_871X(a, b, c, D);
|
- DBG_871X(a, B, C, d);
|
- DBG_871X(a, B, c, D);
|
- DBG_871X(a, b, C, D);
|
- DBG_871X(a, B, C, D);
|
- DBG_871X(a, b, c, d, e);
|
- DBG_871X(a, B, c, d, e);
|
- DBG_871X(a, b, C, d, e);
|
- DBG_871X(a, b, c, D, e);
|
- DBG_871X(a, b, c, d, E);
|
- DBG_871X(a, B, C, d, e);
|
- DBG_871X(a, B, c, D, e);
|
- DBG_871X(a, B, c, d, E);
|
- DBG_871X(a, b, C, D, e);
|
- DBG_871X(a, b, C, d, E);
|
- DBG_871X(a, b, c, D, E);
|
- DBG_871X(a, B, C, D, e);
|
- DBG_871X(a, B, C, d, E);
|
- DBG_871X(a, B, c, D, E);
|
- DBG_871X(a, b, C, D, E);
|
- DBG_871X(a, B, C, D, E);
|
- DBG_871X(a, b, c, d, e, f);
|
- DBG_871X(a, b, c, d, e, f, g);
|
- DBG_871X(a, b, c, d, e, f, g, h);
|
- DBG_871X(a, b, c, d, e, f, g, h, i);
|
- DBG_871X(a, b, c, d, e, f, g, h, i, j);
|
- DBG_871X(a, b, c, d, e, f, g, h, i, j, k);
)

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/89a39f551107ba73b44dd2422765cf8ce371501a.1617802415.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: reorganize characters so the lines are under 100 ch

Cleans up warnings of "line over 100 characters" but avoiding
more than 90 characters in file rtw_ap.c

Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Link: https://lore.kernel.org/r/20210406155815.90271-1-martinsdecarvalhobeatriz@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: align arguments with open parenthesis

Cleans up checks of "Alignment should match open parenthesis"
in file rtw_ap.c

Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Link: https://lore.kernel.org/r/00250c746ed850f6a73ff0ad4c1735cbd019b58f.1617641790.git.martinsdecarvalhobeatriz@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: Ending line with argument

Cleans up checks of "Lines should not end with a '('"
with argument present in next line in file rtw_ap.c

Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Link: https://lore.kernel.org/r/ce400adc5623b3bfbd520da4aa6bcc5867ad4dc8.1617641790.git.martinsdecarvalhobeatriz@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: Removed extra blank line

Clean up check of "Blank lines aren't necessary before a close brace '}'"
in rtw_ap.c

Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Link: https://lore.kernel.org/r/b2961b2d354722d063e05f92bef5df431b8e7898.1617641790.git.martinsdecarvalhobeatriz@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: fix broken indentation

fix indentation broken by patch removing conditional
code blocks checked by unused
CONFIG_INTERRUPT_BASED_TXBCN family defines

Fixes: 65f183001f6e (staging: rtl8723bs: remove unused code blocks conditioned by never set CONFIG_INTERRUPT_BASED_TXBCN*)
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/20210326180632.1859-1-fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: delete extern declarations in core/rtw_ap.c

delete extern declaration in .c file (RTW_WPA_OUI) and
fix the following checkpatch issues:

WARNING: externs should be avoided in .c files
14: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:14:
+extern unsigned char WMM_OUI[];
--
WARNING: externs should be avoided in .c files
15: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:15:
+extern unsigned char WPS_OUI[];
--
WARNING: externs should be avoided in .c files
16: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:16:
+extern unsigned char P2P_OUI[];

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/e48480113c7ffc5128d867787bb3f73b3eb505ae.1616422773.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove unnecessary logging in core/rtw_ap.c

fix the following checkpatch.pl issues:

WARNING: Unnecessary ftrace-like logging - prefer using ftrace
66: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:66:
+ /* DBG_871X("%s\n", __func__); */
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
559: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:559:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
716: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:716:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
770: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:770:
+ /* DBG_871X("%s\n", __func__); */
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1476: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1476:
+ /* DBG_871X("%s\n", __func__); */
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1531: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1531:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1557: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1557:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1564: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1564:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1609: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1609:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1614: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1614:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1619: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1619:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1624: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1624:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1629: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1629:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1647: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1647:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1716: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1716:
+ DBG_871X("%s\n", __func__);
--
WARNING: Unnecessary ftrace-like logging - prefer using ftrace
1740: FILE: drivers/staging/rtl8723bs/core/rtw_ap.c:1740:
+ /* DBG_871X("%s\n", __func__); */

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/20210318152610.16758-2-fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove unused code blocks conditioned by never set CONFIG_INTERRUPT_BASED_TXBCN*

remove conditional code blocks checked by unused
CONFIG_INTERRUPT_BASED_TXBCN family defines

cleaning required in TODO file:

find and remove code blocks guarded by never set CONFIG_FOO defines

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/9157000821fd6febf25566b8c712fad1995c7c78.1615907632.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove unused code blocks conditioned by never set CONFIG_AUTO_AP_MODE

remove conditional code blocks checked by unused CONFIG_AUTO_AP_MODE

cleaning required in TODO file:

find and remove code blocks guarded by never set CONFIG_FOO defines

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/342607e2b4ba2a19b367705a0b47cac95d601d44.1615801721.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: put quoted string in a single line

fix the following checkpatch issues:

WARNING: quoted string split across lines
+ DBG_871X("HT: STA %pM HT Capabilities "
+ "Info: 0x%04x\n", MAC_ARG(psta->hwaddr), ht_capab);

WARNING: quoted string split across lines
+ DBG_871X("%s STA %pM - no "
+ "greenfield, num of non-gf stations %d\n",

WARNING: quoted string split across lines
+ DBG_871X("%s STA %pM - 20 MHz HT, "
+ "num of 20MHz HT STAs %d\n",

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/20210312105134.GA6079@agape.jhs
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: align and beautify comments

fix the following checkpatch warnings:

WARNING: Block comments use * on subsequent lines
+ /*
+ AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
--
WARNING: Block comments use * on subsequent lines
+/*
+op_mode

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/20210310222728.GA3246@agape.jhs
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove typedefs in basic_types.h

This commit fixes the following checkpatch.pl warning:

WARNING: do not add new typedefs
#16: FILE: include/basic_types.h:16:
+typedef signed int sint;

Signed-off-by: Marco Cesati <marco.cesati@gmail.com>
Link: https://lore.kernel.org/r/20210312082638.25512-28-marco.cesati@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace _EXT_SUPPORTEDRATES_IE_

Replace unique _EXT_SUPPORTEDRATES_IE_ macro with kernel provided
WLAN_EID_EXT_SUPP_RATES from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-15-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace _ERPINFO_IE_

Replace unique _ERPINFO_IE_ macro with kernel provided WLAN_EID_ERP_INFO
from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-14-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace _TIM_IE_

Replace unique _TIM_IE_ macro with kernel provided WLAN_EID_DS_PARAMS
from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-10-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace _DSSET_IE_

Replace unique _DSSET_IE_ macro with kernel provdied WLAN_EID_DS_PARAMS
from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-9-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace _SUPPORTEDRATES_IE_

Replace unique _SUPPORTEDRATES_IE_ macro with kernel provided
WLAN_EID_SUPP_RATES from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-8-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace _SSID_IE_

Replace unique _SSID_IE_ macro with kernel provided WLAN_EID_SSID from
linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-7-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: use WLAN_EID_HT_OPERATION

Replace unique _HT_EXTRA_INFO_IE_ and _HT_ADD_INFO_IE_ macros with kernel
provided WLAN_EID_HT_OPERATION from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-5-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: use WLAN_EID_RSN

Replace unique _WPA2_IE_ID_, EID_WPA2, and _RSN_IE_2_ with kernel provided
WLAN_EID_RSN from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-4-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: use WLAN_EID_VENDOR_SPECIFIC

Replace unique WLAN_EID_GENERIC, _WPA_IE_ID_, _SSN_IE_1_, and
_VENDOR_SPECIFIC_IE_ macros with kernel provided WLAN_EID_VENDOR_SPECIFIC
from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-3-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: use WLAN_EID_HT_CAPABILITY

Replace unique WLAN_EID_HT_CAP, _HT_CAPABILITY_IE_, and EID_HTCapability
with kernel provided WLAN_EID_HT_CAPABILITY from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-2-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove LIST_CONTAINOR

Remove unnecessary macro for container_of and call it directly.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201206034517.4276-9-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace OP_MODE_* and HT_INFO_OPERATION_MODE_* macros

Replace unique OP_MODE_* and HT_INFO_OPERATION_MODE_* macro families
with kernel provided IEEE80211_HT_OP_MODE_* macros.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201206034517.4276-5-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace cap_* macros

Replace unique cap_* macros with kernel provided WLAN_CAPABILITY_*
macros.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201206034517.4276-3-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace rtw_ieee80211_ht_cap

Replace the unique rtw_ieee80211_ht_cap struct with the provided standard
ieee80211_ht_cap.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-6-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: remove MAC_FMT macro

Remove unnecessary macro for %pM and call it directly.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-1-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Rewrite comparison to NULL

Rewrite comparison to NULL by modifying (p != NULL) to (p).
Issue reported by checkpatch.

Signed-off-by: Izabela Bakollari <izabela.bakollari@gmail.com>
Link: https://lore.kernel.org/r/20201026232310.48128-1-izabela.bakollari@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: replace RTW_GET_LE16 with get_unaligned_le16

Replace RTW_GET_LE16 macro with get_unaligned_le16.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201004011743.10750-6-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Staging: rtl8723bs: Remove comparison to true

Remove comparison to "true" from if statement to
maintain the kernel coding style.

Reported by checkpatch.pl

Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Link: https://lore.kernel.org/r/20200308201703.31709-1-shreeya.patel23498@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Remove comparison to NULL

Remove comparison to NULL in drivers/staging/rtl8723bs/core/rtw_ap.c:1449.
Issue found by checkpatch.pl

Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Link: https://lore.kernel.org/r/20191010132058.20887-1-wambui.karugax@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Add space between elements

Concatenated strings should use spaces between elements.
Issue found by checkpatch.

Signed-off-by: Javier F. Arias <jarias.linux@gmail.com>
Link: https://lore.kernel.org/r/a2387d4c10c2ed0cbca9d5c7ded424892452178f.1570577926.git.jarias.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Fix function call wrapping style

Fix the wrapping style used for the function call.
Issue found by checkpatch.

Signed-off-by: Javier F. Arias <jarias.linux@gmail.com>
Link: https://lore.kernel.org/r/f43f9295d7412d610e278be608fba6f2cc14cac9.1570577926.git.jarias.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Fix line over 80 characters

Break last two function call arguments into two separate lines.
Issue found by checkpatch.

Signed-off-by: Javier F. Arias <jarias.linux@gmail.com>
Link: https://lore.kernel.org/r/9a8f7b026780b3a7387c29f1d67a7c23d4b159eb.1570577926.git.jarias.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: Remove typecast in call to kfree

Remove typecast in the call to kfree as it is not needed.
Issue found using the below coccinelle script with options -I and
--recursive-includes,

@@
type t1;
expression *e;
@@

-kfree((t1 *)e);
+kfree(e);

Signed-off-by: Nachammai Karuppiah <nachukannan@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Link: https://lore.kernel.org/r/1570565858-91737-1-git-send-email-nachukannan@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: Remove unneeded declaration WFD_OUI

Remove unneeded declaration "extern unsigned char WFD_OUI"

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Link: https://lore.kernel.org/r/20190819165705.GA5782@hari-Inspiron-1545
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: add spaces around '-', '+', '&','|' and '?'

Add spaces around '-', '+', '&','|' and '?' to improve readability
and follow kernel coding style in rtw_ap.c

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/20190803192551.GA24041@saurav
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: Remove Unnecessary parentheses

Remove Unnecessary parentheses around padapter->mlmepriv,
pmlmeext->mlmext_info and pmlmeinfo->network in rtw_ap.c

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/20190803184750.GA23507@saurav
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: correct spelling mistake in rtw_ap.c

Correct spelling mistake in rtw_ap.c

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/20190803183051.GA23151@saurav
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Remove rtw_hal_networktype_to_raid()

Change call sites of rtw_hal_networktype_to_raid to instead call
networktype_to_raid_ex as rtw_hal_networktype_to_raid does nothing
except call networktype_to_raid_ex.
Remove now-unused function rtw_hal_networktype_to_raid.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging/rtl8723bs/core/rtw_ap: Remove redundant call to memset

rtw_zmalloc is internally doing memset . So there is no need to call memset
again.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Fix Unneeded variable: "ret". Return "0"

coccicheck reported Unneeded variable ret at rtl8723bs/core/rtw_ap.c:1400.
Function "rtw_acl_remove_sta" always returns 0. Modified return type of the
function to void.

Signed-off-by: Shobhit Kukreti <shobhitkukreti@gmail.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: rtw_ap: fix Unneeded variable: "ret". Return "0"

Function "rtw_sta_flush" always returns 0 value.
So change return type of rtw_sta_flush from int to void.

Same thing applies for rtw_hostapd_sta_flush

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
-----
Changes v2 -
change return type of rtw_sta_flush
Changes v3 -
fix indentaion issue
Changes v4 -
prepare patch on linux-next
Changes v5 -
cleanup subject and commit message

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Fix boolinit.cocci warnings

This patch removes unnecessary comparisons to bool.

Issue found by coccinelle:
drivers/staging/rtl8723bs/core/rtw_ap.c:2159:5-11: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_cmd.c:1741:7-17: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c:360:5-15: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c:360:28-39: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_mlme.c:1675:6-10: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:6766:8-21: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_pwrctrl.c:181:5-40: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_wlan_util.c:748:14-42: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_xmit.c:2429:15-47: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_xmit.c:2458:7-17: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_xmit.c:2524:8-18: WARNING: Comparison to bool
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:1653:13-36: WARNING: Comparison to bool

Signed-off-by: Jeeeun Evans <jeeeunevans@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Staging: rtl8723bs: core: Fix Spelling mistake in comments

Change spelling of 'associcated' to 'associated', to fix the spelling
mistake.

Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: fix line over 80 characters warning

Shorten the expression by re-using the part that was already computed to
fix the line over 80 characters warning reported by checkpatch.pl.

Signed-off-by: Anirudh Rayabharam <anirudh.rayabharam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: Change NULL comparison to Boolean negation

Change NULL comparison to Boolean negation. Issue found with Coccinelle
using matchnull.cocci.

Signed-off-by: Nishka Dasgupta <nishka.dasgupta@yahoo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Staging: rtl8723bs: Fix code style issue in rtl8723bs driver

Add space between 'else' and '{' to solve code style issue
in all the files for rtl8723bs driver.

Signed-off-by: Hardik Singh Rathore <hardiksingh.k@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: remove unnecessary blank lines

Remove unnecessary blank lines, including multiple blank lines, blank
lines after opening braces, and blank lines before closing braces, from
file core/rtw_ap.c. Issues found by checkpatch.

Signed-off-by: Kimberly Brown <kimbrownkd@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: Remove true and false comparison

Remove comparison to true and false in if statement.
Issue found with checkpatch.pl.
CHECK: Using comparison to true is error prone
CHECK: Using comparison to false is error prone

Signed-off-by: Mamta Shukla <mamtashukla555@gmail.com>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Prevent an underflow in rtw_check_beacon_data().

Dan Carpenter reported an integer underflow issue in the rtl8188eu driver.
This is also needed for the length (signed integer) in rtl8723bs, as it is
later converted to an unsigned integer and used in a memcpy operation.

Original issue is at https://patchwork.kernel.org/patch/9796371/

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Murray McAllister <murray.mcallister@insomniasec.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Replace license boilerplate with SPDX identifiers

This satisfies a checkpatch.pl warning and is the preferred method for
notating the license due to its lack of ambiguity.

Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Remove unnecessary rtw_z?malloc casts

These functions now return void * and no longer need casts.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: rtw_cmd: drop unneeded null test

kfree returns immediately on NULL so the tests are not needed.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

CC: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Fix indenting mistake in core/rtw_ap.c

Smatch reports the following:

CHECK drivers/staging/rtl8723bs/core/rtw_ap.c
drivers/staging/rtl8723bs/core/rtw_ap.c:382 expire_timeout_chk() warn: inconsistent indenting

Fixing this requires changing the indentatikon of a long for loop.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: Add rtl8723bs sdio wifi driver

The rtl8723bs is found on quite a few systems used by Linux users,
such as on Atom systems (Intel Computestick and various other
Atom based devices) and on many (budget) ARM boards such as
the CHIP.

The plan moving forward with this is for the new clean,
written from scratch, rtl8xxxu driver to eventually gain
support for sdio devices. But there is no clear timeline
for that, so lets add this driver included in staging for now.

Cc: Bastien Nocera <hadess@hadess.net>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <jes.sorensen@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>