> -----Original Message----- > From: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > Sent: Saturday, March 11, 2023 4:29 AM > To: linux-wireless@xxxxxxxxxxxxxxx > Cc: Yan-Hsuan Chuang <tony0620emma@xxxxxxxxx>; Kalle Valo <kvalo@xxxxxxxxxx>; Ulf Hansson > <ulf.hansson@xxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; > linux-mmc@xxxxxxxxxxxxxxx; Chris Morgan <macroalpha82@xxxxxxxxx>; Nitin Gupta <nitin.gupta981@xxxxxxxxx>; > Neo Jou <neojou@xxxxxxxxx>; Ping-Ke Shih <pkshih@xxxxxxxxxxx>; Jernej Skrabec <jernej.skrabec@xxxxxxxxx>; > Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > Subject: [PATCH v2 RFC 9/9] wifi: rtw88: Add support for the SDIO based RTL8821CS chipset > > Wire up RTL8821CS chipset support using the new rtw88 SDIO HCI code as > well as the existing RTL8821C chipset code. > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > --- > Changes since v1: > - use /* ... */ style for copyright comments > > > drivers/net/wireless/realtek/rtw88/Kconfig | 11 ++++++ > drivers/net/wireless/realtek/rtw88/Makefile | 3 ++ > .../net/wireless/realtek/rtw88/rtw8821cs.c | 35 +++++++++++++++++++ > 3 files changed, 49 insertions(+) > create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cs.c > [...] > diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821cs.c > b/drivers/net/wireless/realtek/rtw88/rtw8821cs.c > new file mode 100644 > index 000000000000..7ad7c13ac9e6 > --- /dev/null > +++ b/drivers/net/wireless/realtek/rtw88/rtw8821cs.c > @@ -0,0 +1,35 @@ > +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause > +/* Copyright(c) Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > + */ > + > +#include <linux/mmc/sdio_func.h> > +#include <linux/mmc/sdio_ids.h> > +#include <linux/module.h> > +#include "sdio.h" > +#include "rtw8821c.h" nit: alphabetic order I run sparse/smatch with this patchset, and smatch warns: 1. drivers/net/wireless/realtek/rtw88/mac.c:313 rtw_mac_power_switch() error: uninitialized symbol 'imr'. This should be a false-alarm, but just initialize imr to 0 to avoid this. 2. drivers/net/wireless/realtek/rtw88/sdio.c:136 rtw_sdio_read_indirect_bytes() error: uninitialized symbol 'ret'. This should be a false-alarm too. I guess it considers 'count = 0' is possible. Ping-Ke