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Fri, 29 Aug 2025 20:42:45 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Fri, 29 Aug 2025 20:42:45 -0400 Received: from work.ad.analog.com (HYB-hERzalRezfV.ad.analog.com [10.65.205.9]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 57U0gQt3004971; Fri, 29 Aug 2025 20:42:29 -0400 From: Marcelo Schmitt To: , , , , CC: Axel Haslam , , , , , , , , , , , , , , Subject: [PATCH 06/15] spi: spi-offload-trigger-pwm: Use duty offset Date: Fri, 29 Aug 2025 21:42:26 -0300 Message-ID: <2410525339f56466fa566dda367678ec92f9fb98.1756511030.git.marcelo.schmitt@analog.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: rLcVe-uoJOiCWPe44_N5YXQQstDflOr4 X-Proofpoint-ORIG-GUID: 8LNZ4PaMhaPBk4WYZPVILyIZgNYY8hrq X-Authority-Analysis: v=2.4 cv=J6Wq7BnS c=1 sm=1 tr=0 ts=68b24907 cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=2OwXVqhp2XgA:10 a=IpJZQVW2AAAA:8 a=gAnH3GRIAAAA:8 a=eWAnnlCVS0XflCgljK0A:9 a=IawgGOuG5U0WyFbmm1f5:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODI5MDA3NCBTYWx0ZWRfX2lMPJsmD08lO SCgbgetMjlBrD+zUzRJJ2pbP46+XseblSOOX10avZ/Fnwq/V5nMtxYnUMymNK0ZywdG+Sa0saVk t3YAxUWeRxLM584EiCbVYVO2fmerREm4bgShz0Q6aZN+HwnbfrsJvesH5noj7UMA6g6Cpid4L0s 5rK/9yB+xeN47dwFGYSs6lfs3DwZlwskOOZhTy1mJHMWe3n1+4v4FHF8GAcSjyoCnbTwWettoU3 cY4GX/d0PnwwXxSDtdTteCvjyuEpfDfSofUSys1ErGCA0Ut463BtK+4sxLRIsg9uqtym3tfgxfF Qkf/phGcyoKI86SKwM70yCdG4hGwm/f/vB6j1++0eY9pGsL6jbGEcfDkipphTGX89T8UmLt9DkK NiK68a38 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-29_07,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 spamscore=0 clxscore=1011 suspectscore=0 bulkscore=0 malwarescore=0 impostorscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508290074 From: Axel Haslam Pass the duty offset to the waveform pwm. Signed-off-by: Axel Haslam Signed-off-by: Marcelo Schmitt --- drivers/spi/spi-offload-trigger-pwm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-offload-trigger-pwm.c b/drivers/spi/spi-offload-trigger-pwm.c index 805ed41560df..8413aeb3689d 100644 --- a/drivers/spi/spi-offload-trigger-pwm.c +++ b/drivers/spi/spi-offload-trigger-pwm.c @@ -51,13 +51,13 @@ static int spi_offload_trigger_pwm_validate(struct spi_offload_trigger *trigger, wf.period_length_ns = DIV_ROUND_UP_ULL(NSEC_PER_SEC, periodic->frequency_hz); /* REVISIT: 50% duty-cycle for now - may add config parameter later */ wf.duty_length_ns = wf.period_length_ns / 2; - + wf.duty_offset_ns = periodic->offset_ns; ret = pwm_round_waveform_might_sleep(st->pwm, &wf); if (ret < 0) return ret; periodic->frequency_hz = DIV_ROUND_UP_ULL(NSEC_PER_SEC, wf.period_length_ns); - + periodic->offset_ns = wf.duty_offset_ns; return 0; } @@ -77,6 +77,7 @@ static int spi_offload_trigger_pwm_enable(struct spi_offload_trigger *trigger, wf.period_length_ns = DIV_ROUND_UP_ULL(NSEC_PER_SEC, periodic->frequency_hz); /* REVISIT: 50% duty-cycle for now - may add config parameter later */ wf.duty_length_ns = wf.period_length_ns / 2; + wf.duty_offset_ns = periodic->offset_ns; return pwm_set_waveform_might_sleep(st->pwm, &wf, false); } -- 2.39.2