From patchwork Thu Nov 23 19:57:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 13466757 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="nbEdxNiN" Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71491D41; Thu, 23 Nov 2023 12:04:47 -0800 (PST) Received: from arisu.hitronhub.home (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 madras.collabora.co.uk (Postfix) with ESMTPSA id F02E36607395; Thu, 23 Nov 2023 20:04:44 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1700769886; bh=T6+917J9Qs7knbMWHzedmplc/6vwAhEWd9+bjLgToGA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nbEdxNiNPnVQoGvLx6x2+aSJwvsPluajQd3pvSTnY4MXPY0JzbVzdlkX2yCj9NqHg G7aRzbAvFm2q3iuI5bG4z5JApriUa1s1zIXPEe7x8yvHdc12jxULE6I5UfGawdXTQb hWAA6bgtm3fNscQic/nBhB4+IWHP07lM2bOoVPjrMZj6l9myRfuYCyfbneoNOq8ym1 kIJFnaUVunYuq/n+EdCo1zUm15bYaOJJ2oCS4BhwWr2scM80gYc4KVDdEDNI7SB+SW hO3MuMsjRtk9C86hu0LYvDfHUq2Yv2nUwsaAO1m8FcG/Y0aerbSgxFBsvlNtJpFgG3 luhY43nxpF+Zw== 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 v3 1/4] media: visl,vidtv: Set parameters permissions to 0444 Date: Thu, 23 Nov 2023 14:57:44 -0500 Message-ID: <20231123200451.148097-2-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231123200451.148097-1-detlev.casanova@collabora.com> References: <20231123200451.148097-1-detlev.casanova@collabora.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 | 20 +++++++++---------- drivers/media/test-drivers/visl/visl-core.c | 10 +++++----- 2 files changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c index 8b04e12af286..5dd7b1b4f7f1 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c +++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c @@ -45,21 +45,21 @@ #define LNB_HIGH_FREQ 10600000 /* transition frequency */ 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"); 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"); 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"); 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"); static unsigned int vidtv_valid_dvb_t_freqs[NUM_VALID_TUNER_FREQS] = { @@ -86,7 +86,7 @@ MODULE_PARM_DESC(vidtv_valid_dvb_s_freqs, "Valid DVB-S/S2 frequencies to simulate at Ku-Band, in kHz"); 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"); @@ -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 = 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: 40ms"); static unsigned int pcr_period_msec = 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"); static unsigned int mux_rate_kbytes_sec = 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"); static unsigned int pcr_pid = 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"); 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"); diff --git a/drivers/media/test-drivers/visl/visl-core.c b/drivers/media/test-drivers/visl/visl-core.c index 9970dc739ca5..ef89eead6671 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 = -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"); 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"); 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"); int bitstream_trace_frame_start = -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"); 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");