From nobody Sat Dec 27 22:57:31 2025 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EF513FB10; Fri, 15 Dec 2023 16:44:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="5OVSVWmE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1702658691; bh=cD6t1rxsgYGFHEkBDR2c5LoiqA0V064keU5mnwqyNG8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=5OVSVWmErwG68J8XGHhC8ce9nUwI3D7oeThtnEafA4vf92gH/zYZNspuTtLISmpe1 GYYeu6DlJMnDQ3RSHB5MX6H8OdEbS48Nv9NdxUaHkN0NeKr0ok2ls2SI/NZSyn2zK4 G+WCDOkHMk35bkzkGgtOVjE4kmNVIjENiWMJid9bJ3h5VYgSN+D5SEPae5cNkRvGks N2+bFjwwaFNX7d0vrc+zZP1r3f7E+qBNIATnJDBXJ4gTGSyWtc6eNQXJoptlk1vZTi 2tAyiz0JnI/aTm6Ux4tvEFavqOngpy2BAXmFGQZSV2XQclyLF/NKx37qvIdFJ/GlU0 3a8Xtx+KfZU3A== Received: from arisu.mtl.collabora.ca (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: detlev) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 531FB3781FE3; Fri, 15 Dec 2023 16:44:50 +0000 (UTC) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: linux-media@vger.kernel.org, Daniel Almeida , Mauro Carvalho Chehab , Hans Verkuil , Detlev Casanova Subject: [PATCH v4 1/4] media: visl,vidtv: Set parameters permissions to 0444 Date: Fri, 15 Dec 2023 11:42:55 -0500 Message-ID: <20231215164447.743787-2-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231215164447.743787-1-detlev.casanova@collabora.com> References: <20231215164447.743787-1-detlev.casanova@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This avoids confusion with default values and lets userspace programs get the modules parameters values at run time. This can be useful when setting up a test suite. Reviewed-by: Daniel Almeida Signed-off-by: Detlev Casanova --- .../media/test-drivers/vidtv/vidtv_bridge.c | 26 +++++++++---------- drivers/media/test-drivers/visl/visl-core.c | 10 +++---- 2 files changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/medi= a/test-drivers/vidtv/vidtv_bridge.c index 8b04e12af286..613949df897d 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c +++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c @@ -45,28 +45,28 @@ #define LNB_HIGH_FREQ 10600000 /* transition frequency */ =20 static unsigned int drop_tslock_prob_on_low_snr; -module_param(drop_tslock_prob_on_low_snr, uint, 0); +module_param(drop_tslock_prob_on_low_snr, uint, 0444); MODULE_PARM_DESC(drop_tslock_prob_on_low_snr, "Probability of losing the TS lock if the signal quality is bad"); =20 static unsigned int recover_tslock_prob_on_good_snr; -module_param(recover_tslock_prob_on_good_snr, uint, 0); +module_param(recover_tslock_prob_on_good_snr, uint, 0444); MODULE_PARM_DESC(recover_tslock_prob_on_good_snr, "Probability recovering the TS lock when the signal improves"); =20 static unsigned int mock_power_up_delay_msec; -module_param(mock_power_up_delay_msec, uint, 0); +module_param(mock_power_up_delay_msec, uint, 0444); MODULE_PARM_DESC(mock_power_up_delay_msec, "Simulate a power up delay"); =20 static unsigned int mock_tune_delay_msec; -module_param(mock_tune_delay_msec, uint, 0); +module_param(mock_tune_delay_msec, uint, 0444); MODULE_PARM_DESC(mock_tune_delay_msec, "Simulate a tune delay"); =20 static unsigned int vidtv_valid_dvb_t_freqs[NUM_VALID_TUNER_FREQS] =3D { 474000000 }; =20 -module_param_array(vidtv_valid_dvb_t_freqs, uint, NULL, 0); +module_param_array(vidtv_valid_dvb_t_freqs, uint, NULL, 0444); MODULE_PARM_DESC(vidtv_valid_dvb_t_freqs, "Valid DVB-T frequencies to simulate, in Hz"); =20 @@ -74,19 +74,19 @@ static unsigned int vidtv_valid_dvb_c_freqs[NUM_VALID_T= UNER_FREQS] =3D { 474000000 }; =20 -module_param_array(vidtv_valid_dvb_c_freqs, uint, NULL, 0); +module_param_array(vidtv_valid_dvb_c_freqs, uint, NULL, 0444); MODULE_PARM_DESC(vidtv_valid_dvb_c_freqs, "Valid DVB-C frequencies to simulate, in Hz"); =20 static unsigned int vidtv_valid_dvb_s_freqs[NUM_VALID_TUNER_FREQS] =3D { 11362000 }; -module_param_array(vidtv_valid_dvb_s_freqs, uint, NULL, 0); +module_param_array(vidtv_valid_dvb_s_freqs, uint, NULL, 0444); MODULE_PARM_DESC(vidtv_valid_dvb_s_freqs, "Valid DVB-S/S2 frequencies to simulate at Ku-Band, in kHz"); =20 static unsigned int max_frequency_shift_hz; -module_param(max_frequency_shift_hz, uint, 0); +module_param(max_frequency_shift_hz, uint, 0444); MODULE_PARM_DESC(max_frequency_shift_hz, "Maximum shift in HZ allowed when tuning in a channel"); =20 @@ -96,24 +96,24 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nums); * Influences the signal acquisition time. See ISO/IEC 13818-1 : 2000. p. = 113. */ static unsigned int si_period_msec =3D 40; -module_param(si_period_msec, uint, 0); +module_param(si_period_msec, uint, 0444); MODULE_PARM_DESC(si_period_msec, "How often to send SI packets. Default: 4= 0ms"); =20 static unsigned int pcr_period_msec =3D 40; -module_param(pcr_period_msec, uint, 0); +module_param(pcr_period_msec, uint, 0444); MODULE_PARM_DESC(pcr_period_msec, "How often to send PCR packets. Default: 40ms"); =20 static unsigned int mux_rate_kbytes_sec =3D 4096; -module_param(mux_rate_kbytes_sec, uint, 0); +module_param(mux_rate_kbytes_sec, uint, 0444); MODULE_PARM_DESC(mux_rate_kbytes_sec, "Mux rate: will pad stream if below"= ); =20 static unsigned int pcr_pid =3D 0x200; -module_param(pcr_pid, uint, 0); +module_param(pcr_pid, uint, 0444); MODULE_PARM_DESC(pcr_pid, "PCR PID for all channels: defaults to 0x200"); =20 static unsigned int mux_buf_sz_pkts; -module_param(mux_buf_sz_pkts, uint, 0); +module_param(mux_buf_sz_pkts, uint, 0444); MODULE_PARM_DESC(mux_buf_sz_pkts, "Size for the internal mux buffer in multiples of 188 bytes"); =20 diff --git a/drivers/media/test-drivers/visl/visl-core.c b/drivers/media/te= st-drivers/visl/visl-core.c index 68dac896277b..12e93a7798d1 100644 --- a/drivers/media/test-drivers/visl/visl-core.c +++ b/drivers/media/test-drivers/visl/visl-core.c @@ -64,27 +64,27 @@ MODULE_PARM_DESC(visl_transtime_ms, " simulated process= time in milliseconds."); * particular number of frames */ int visl_dprintk_frame_start =3D -1; -module_param(visl_dprintk_frame_start, int, 0); +module_param(visl_dprintk_frame_start, int, 0444); MODULE_PARM_DESC(visl_dprintk_frame_start, " a frame number to start tracing with dprintk"); =20 unsigned int visl_dprintk_nframes; -module_param(visl_dprintk_nframes, uint, 0); +module_param(visl_dprintk_nframes, uint, 0444); MODULE_PARM_DESC(visl_dprintk_nframes, " the number of frames to trace with dprintk"); =20 bool keep_bitstream_buffers; -module_param(keep_bitstream_buffers, bool, false); +module_param(keep_bitstream_buffers, bool, 0444); MODULE_PARM_DESC(keep_bitstream_buffers, " keep bitstream buffers in debugfs after streaming is stopped"); =20 int bitstream_trace_frame_start =3D -1; -module_param(bitstream_trace_frame_start, int, 0); +module_param(bitstream_trace_frame_start, int, 0444); MODULE_PARM_DESC(bitstream_trace_frame_start, " a frame number to start dumping the bitstream through debugfs"); =20 unsigned int bitstream_trace_nframes; -module_param(bitstream_trace_nframes, uint, 0); +module_param(bitstream_trace_nframes, uint, 0444); MODULE_PARM_DESC(bitstream_trace_nframes, " the number of frames to dump the bitstream through debugfs"); =20 --=20 2.41.0