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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1410199bfd8sm8337541c88.2.2026.08.07.09.04.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 09:04:20 -0700 (PDT) From: Md Sadre Alam Date: Fri, 07 Aug 2026 21:33:57 +0530 Subject: [PATCH v2 3/3] spi: spi-qpic-snand: Handle Macronix quad read opcode 0x6b 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 Message-Id: <20260807-quad-v2-3-8ec821e2f22b@oss.qualcomm.com> References: <20260807-quad-v2-0-8ec821e2f22b@oss.qualcomm.com> In-Reply-To: <20260807-quad-v2-0-8ec821e2f22b@oss.qualcomm.com> To: Mark Brown Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Md Sadre Alam , Md Sadre Alam X-Mailer: b4 0.14.3 X-Authority-Analysis: v=2.4 cv=EYH4hvmC c=1 sm=1 tr=0 ts=6a760205 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=FygxKSnESxtamiDJ3dkA:9 a=QEXdDO2ut3YA:10 a=2VI0MkxyNR6bbpdq8BZq:22 X-Proofpoint-ORIG-GUID: P-sbUmJxULrdeYnitgJqjFDdr6b9r07c X-Proofpoint-GUID: P-sbUmJxULrdeYnitgJqjFDdr6b9r07c X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDEyNSBTYWx0ZWRfX0EhBsLQkQ1lZ L2hG8DUnGazzXmg/44zb6NTu9YqB3M79Zu3Rfqi/MHm6iy5qLayaiMdkKvX0c9SGwyLtHQWNcYu KWWSZL+P/cYg8muqcMJRQj7AEHE3g2s= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDEyNSBTYWx0ZWRfX1EfjQKktZXh3 uFFxGO/L/ON75pB0fYFEjRRa66tPGrsoOiIUCzf0al+/oR67raYgE+Xl/5ZCUIGzfetnnR1aLso el5ikOuJus9F8LLPLYZhGlZHxJUDiPrzwK4b5hDpCB/D6fr+BaQ8GRY1TR5c+z4anD2lh9zCfvq lHpP3saBtKiYN/hNFplt0r0HPnq0yhp4XeVuaQ+Zma56/9Nqr/BMQ7P0lv1rVogEkqquyxQFXrJ 9tRyeD8LhazeXj8SvAkOeC3Jh30FgGbCRggUE5dIZlVd10DuDd5L+WuLsLWzqj/UvVSynSNj5i4 hKBj2BkpEIg41MbH1/IkDZk3p7v+WT57WfbbwNOzSSUdrgRwIYiWu8n3ekQHTO4TRTKN43z4DqU vXRd1TMrjmA/WL+273g2PN1D5+oiWCF4/MiZ6t4RJIHxxCxAIcvipEeIS8K0LBEVRPgdaIax88O OKTdxRkvkIEEbPaGcdA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-07_02,2026-08-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 suspectscore=0 priorityscore=1501 spamscore=0 clxscore=1015 malwarescore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608070125 Macronix SPI-NAND devices use opcode 0x6b for quad output cache reads, while most other devices use opcode 0xeb. The QPIC SPI-NAND driver does not currently recognize opcode 0x6b, causing read operations to fail when Macronix devices select this cache read variant. Add the Macronix-specific read opcode to the command mapping logic and treat it the same as the existing quad read operations. This allows Macronix SPI-NAND devices to operate correctly in quad read mode. Signed-off-by: Md Sadre Alam --- drivers/spi/spi-qpic-snand.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-qpic-snand.c b/drivers/spi/spi-qpic-snand.c index 6ad2f96dde8c..61b1f2eb19ce 100644 --- a/drivers/spi/spi-qpic-snand.c +++ b/drivers/spi/spi-qpic-snand.c @@ -52,6 +52,7 @@ #define SPINAND_READ_CACHE 0x0b #define SPINAND_READ 0x13 #define SPINAND_READ_QUAD 0xeb +#define SPINAND_READ_MACRONIX 0x6b #define SPINAND_ERASE 0xd8 #define SPINAND_WRITE_EN 0x06 #define SPINAND_PROGRAM_EXECUTE 0x10 @@ -1036,6 +1037,7 @@ static int qcom_spi_cmd_mapping(struct qcom_nand_controller *snandc, case SPINAND_READ: case SPINAND_READ_QUAD: case SPINAND_READ_CACHE: + case SPINAND_READ_MACRONIX: if (snandc->qspi->raw_rw) { *cmd = (PAGE_ACC | LAST_PAGE | transfer_mode | SPI_WP | SPI_HOLD | OP_PAGE_READ); -- 2.34.1