Re: [PATCH] media: dvb_dummy_fe: Fix long lines

From: Mauro Carvalho Chehab
Date: Sun Dec 01 2019 - 02:51:52 EST


Em Tue, 12 Nov 2019 11:24:36 -0300
"Daniel W. S. Almeida" <dwlsalmeida@xxxxxxxxx> escreveu:

> From: "Daniel W. S. Almeida" <dwlsalmeida@xxxxxxxxx>
>
> Break long lines into smaller ones to improve readability.
>
> WARNING: line over 80 characters
> + memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops));
>
> WARNING: line over 80 characters
> + memcpy(&state->frontend.ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops));
> WARNING: line over 80 characters
> + memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops));
>
> WARNING: line over 80 characters
> + FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
>
> WARNING: line over 80 characters
> + FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
>
> WARNING: line over 80 characters
> + FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
>
> WARNING: line over 80 characters
> + .symbol_rate_min = (57840000 / 2) / 6
>
> Suggested-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@xxxxxxxxx>
> ---
> drivers/media/dvb-frontends/dvb_dummy_fe.c | 62 ++++++++++++++++------
> 1 file changed, 45 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/media/dvb-frontends/dvb_dummy_fe.c b/drivers/media/dvb-frontends/dvb_dummy_fe.c
> index 4db679cb70ad..f41c1e0dc8eb 100644
> --- a/drivers/media/dvb-frontends/dvb_dummy_fe.c
> +++ b/drivers/media/dvb-frontends/dvb_dummy_fe.c
> @@ -37,7 +37,8 @@ static int dvb_dummy_fe_read_ber(struct dvb_frontend* fe, u32* ber)
> return 0;
> }
>
> -static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
> +static int
> +dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)

The pointer references should be, instead:
struct dvb_frontend *fe

Btw, I think that this patch conflicts with the one you posted previously.
Please don't do that, as it makes harder to apply.

If you have multiple patches touching a file, you should place them into
a patch series, in order to ensure that they can be applied at the right
order.

> {
> *strength = 0;
> return 0;
> @@ -102,6 +103,7 @@ static int dvb_dummy_fe_set_voltage(struct dvb_frontend *fe,
> static void dvb_dummy_fe_release(struct dvb_frontend* fe)
> {
> struct dvb_dummy_fe_state* state = fe->demodulator_priv;
> +
> kfree(state);
> }
>
> @@ -117,7 +119,10 @@ struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
> return NULL;
>
> /* create dvb_frontend */
> - memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops));
> + memcpy(&state->frontend.ops,
> + &dvb_dummy_fe_ofdm_ops,
> + sizeof(struct dvb_frontend_ops));
> +
> state->frontend.demodulator_priv = state;
> return &state->frontend;
> }
> @@ -134,7 +139,10 @@ struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
> return NULL;
>
> /* create dvb_frontend */
> - memcpy(&state->frontend.ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops));
> + memcpy(&state->frontend.ops,
> + &dvb_dummy_fe_qpsk_ops,
> + sizeof(struct dvb_frontend_ops));
> +
> state->frontend.demodulator_priv = state;
> return &state->frontend;
> }
> @@ -151,7 +159,10 @@ struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
> return NULL;
>
> /* create dvb_frontend */
> - memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops));
> + memcpy(&state->frontend.ops,
> + &dvb_dummy_fe_qam_ops,
> + sizeof(struct dvb_frontend_ops));
> +
> state->frontend.demodulator_priv = state;
> return &state->frontend;
> }
> @@ -163,13 +174,21 @@ static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
> .frequency_min_hz = 0,
> .frequency_max_hz = 863250 * kHz,
> .frequency_stepsize_hz = 62500,
> - .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
> - FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
> - FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
> - FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
> - FE_CAN_TRANSMISSION_MODE_AUTO |
> - FE_CAN_GUARD_INTERVAL_AUTO |
> - FE_CAN_HIERARCHY_AUTO,
> + .caps = FE_CAN_FEC_1_2 |
> + FE_CAN_FEC_2_3 |
> + FE_CAN_FEC_3_4 |
> + FE_CAN_FEC_4_5 |
> + FE_CAN_FEC_5_6 |
> + FE_CAN_FEC_6_7 |
> + FE_CAN_FEC_7_8 |
> + FE_CAN_FEC_8_9 |
> + FE_CAN_FEC_AUTO |
> + FE_CAN_QAM_16 |
> + FE_CAN_QAM_64 |
> + FE_CAN_QAM_AUTO |
> + FE_CAN_TRANSMISSION_MODE_AUTO |
> + FE_CAN_GUARD_INTERVAL_AUTO |
> + FE_CAN_HIERARCHY_AUTO,
> },
>
> .release = dvb_dummy_fe_release,
> @@ -194,11 +213,16 @@ static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops = {
> .frequency_min_hz = 51 * MHz,
> .frequency_max_hz = 858 * MHz,
> .frequency_stepsize_hz = 62500,
> - .symbol_rate_min = (57840000 / 2) / 64, /* SACLK/64 == (XIN/2)/64 */
> + /* symbol_rate_min: SACLK/64 == (XIN/2)/64 */
> + .symbol_rate_min = (57840000 / 2) / 64,
> .symbol_rate_max = (57840000 / 2) / 4, /* SACLK/4 */
> - .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
> - FE_CAN_QAM_128 | FE_CAN_QAM_256 |
> - FE_CAN_FEC_AUTO | FE_CAN_INVERSION_AUTO
> + .caps = FE_CAN_QAM_16 |
> + FE_CAN_QAM_32 |
> + FE_CAN_QAM_64 |
> + FE_CAN_QAM_128 |
> + FE_CAN_QAM_256 |
> + FE_CAN_FEC_AUTO |
> + FE_CAN_INVERSION_AUTO
> },
>
> .release = dvb_dummy_fe_release,
> @@ -227,8 +251,12 @@ static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = {
> .symbol_rate_min = 1000000,
> .symbol_rate_max = 45000000,
> .caps = FE_CAN_INVERSION_AUTO |
> - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
> - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
> + FE_CAN_FEC_1_2 |
> + FE_CAN_FEC_2_3 |
> + FE_CAN_FEC_3_4 |
> + FE_CAN_FEC_5_6 |
> + FE_CAN_FEC_7_8 |
> + FE_CAN_FEC_AUTO |
> FE_CAN_QPSK
> },
>



Cheers,
Mauro