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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-spi@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-Proofpoint-ORIG-GUID: cA0Cx1uPx_M19HLrZfTdUyjKUNLGZmup X-Proofpoint-GUID: cA0Cx1uPx_M19HLrZfTdUyjKUNLGZmup X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDEyNSBTYWx0ZWRfX6bN24CqyP01r SGzhd9U0ZgUahmRIowDbNYHj7FVjI3i9dEJKiKiDU1ouhVXp5atkWA7wkVfGRQXAMCKrVIdFvVv M8yazM077U+rPH+f49sSpaPQTGIFjvE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDEyNSBTYWx0ZWRfX5QWA9kozTxRI N3ro4HOPePp6dy51IQvu9I6wRJXL0I/rCEm9N1Us9TD6tYEQ0E1LSyS5qmib6uVLkjwRwRAgbWM GBMsHporJeToSf0eO5JYzgtp0KyYLQNW8+8Js5jnzQAd8pt10KmPBdGYiWOURIHpcTU+0JdMFA1 o6ilMorwPc0PpD5lPIYo5NTmBrxxoAiOb7XT92dP4B9XVYrLBh4wbDD3EHJIV/iCA243i2fD5FV Ks7gACYK3dcG4xTSNK50kV+Pzo+ttW2tbAigxrQ1E2/t+NW2oDFM2KDlha24KOGzuIUA2u/DYhR xvdwU7M9DUB6IiNfB1b02PoH7m300X7qT/LbrKv+AmvNeCnop/LDJzXZeZTcNfMOMACVfpfRy1x /hFKojcWJZ35beTS9Ifuy9B+AnyZwdv0YMr3rCqU3Nx0k0PBl2cj7T8JJ2oR7iXvVCDl+7YEX5Y BOGpB4z5/hBwXCa5RZA== X-Authority-Analysis: v=2.4 cv=X9Ni7mTe c=1 sm=1 tr=0 ts=6a760205 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=FygxKSnESxtamiDJ3dkA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 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 bulkscore=0 phishscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 impostorscore=0 suspectscore=0 clxscore=1015 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