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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3140e53349dsm7795812eec.7.2026.07.15.22.27.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jul 2026 22:27:55 -0700 (PDT) From: Md Sadre Alam Subject: [PATCH 0/3] Add quad mode support for QPIC SNAND Date: Thu, 16 Jul 2026 10:57:44 +0530 Message-Id: <20260716-quad-v1-0-636f74da17e1@qti.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIANBrWGoC/y3MwQqDMBCE4VcJe+6CSWsCvkrxkMZpuwdjTaII4 rs31B7/Yfh2ykiCTJ3aKWGVLFOsoS+KwtvHF1iG2mQaYxunLc+LHxjBONtetTP6RvX6SXjK9mP u/dkJ81K1co708BkcpnGU0qmIrfBfbKk/ji9rmZwBhwAAAA== X-Change-ID: 20260716-quad-ec2765317214 To: Mark Brown Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Md Sadre Alam , Md Sadre Alam X-Mailer: b4 0.14.3 X-Authority-Analysis: v=2.4 cv=TMF1jVla c=1 sm=1 tr=0 ts=6a586bdc cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=_qZMQ80_SVObjUDSs0AA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-GUID: 4-qLTBVf7ohc_lBbmgmdXS8D3JjGJ2FH X-Proofpoint-ORIG-GUID: 4-qLTBVf7ohc_lBbmgmdXS8D3JjGJ2FH X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDA1MyBTYWx0ZWRfX4nYiq3U6i928 dn0v8nrxXfN3ztWSX/2P4c+zcQGb+BPHV7SXRFkdpbIhSUPgXYz4EkM5nAadJp3Mn5v7f8mbDc6 urdDBgry4klgCAutoNr7twhChjCmxZI= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDA1MyBTYWx0ZWRfX6rIOS++HAwU6 x3spUjRzV+iBI+RQ/WkEHJcq+JCudj04YoTwaxW0DGOzR9o4UUnvSFD5dZXGiAUUnGjkCz/f4ug crTzGcz8y2NW/9+BBXkU6GzdfCDA8kjSrRhtFwKg+fnEiGFxnMT3d5Hxta7P4ekafb9pLp6b1Ht xOnkhNCaZH/yvB3yW/LNqFGa247P7v+gOYf4M+9dYUkJkf+lKQK+BkoO3UTF/P45Nw/f6sah4nu 61BafyIiBssEmykzvzaZUIEDofxwkc+wxuUGgWAXi9SjqHKvIkzIJt4oTjktaQdOjNVXuDrjna3 OItbpUuhcahL75d0CEbdS0PaFSBHarMoB+vUk5Fslxly3wRnDnjURkCVkc5Ud1jts8NzLXqLSsC C8Ccl6Ma39tYKs6s/u9DC+M6w0Wo+0OcorzA50uJtLM3ep3TfasBWoTq447ZzxpxXrVDoOcjEvj ixHqirxrKzwYDlxoJsw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_02,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 phishscore=0 suspectscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160053 The Qualcomm QPIC SPI-NAND controller supports both single (x1) and quad (x4) transfer modes, however the current driver operates only in single-bit mode. This series adds support for quad data transfers and includes a vendor-specific fix required for Macronix SPI-NAND devices. Signed-off-by: Md Sadre Alam --- Md Sadre Alam (3): spi: spi-qpic-snand: move command mapping helper spi: spi-qpic-snand: add quad mode support spi: spi-qpic-snand: Handle Macronix quad read opcode 0x6b drivers/spi/spi-qpic-snand.c | 155 ++++++++++++++++++++++++++++--------------- 1 file changed, 103 insertions(+), 52 deletions(-) --- base-commit: 19827e7930a5511c68e12aac6e4522f3661a1709 change-id: 20260716-quad-ec2765317214 Best regards, -- Md Sadre Alam