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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3140e53349dsm7795812eec.7.2026.07.15.22.28.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jul 2026 22:28:03 -0700 (PDT) From: Md Sadre Alam Date: Thu, 16 Jul 2026 10:57:47 +0530 Subject: [PATCH 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: <20260716-quad-v1-3-636f74da17e1@qti.qualcomm.com> References: <20260716-quad-v1-0-636f74da17e1@qti.qualcomm.com> In-Reply-To: <20260716-quad-v1-0-636f74da17e1@qti.qualcomm.com> 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=6a586be4 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==: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=FygxKSnESxtamiDJ3dkA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-GUID: sJMDN7Fr5XiDT2B9UC4cQ22SU2BfHlhI X-Proofpoint-ORIG-GUID: sJMDN7Fr5XiDT2B9UC4cQ22SU2BfHlhI X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDA1MyBTYWx0ZWRfXx/rzsxD8X6SB yH7PdG5Ai74i3knwRvhM+rNDbfq7lc7CZ7D8lV9H/i4RPibZM1mVa6uETjQfwyMvzFdTVLs1lzV XkNi6e8h8puGjK4gGFIQq169hOSODBc= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDA1MyBTYWx0ZWRfXwopH4C/R/loQ YofXzSqPH+pke3/Bbaihi4Qe4ibI8pyPN80s++E3Hgn315ibAYhsiS25zWVnE18lES4wUrqlNpN lwNx1mSdlY92fHE/yNMFI5tHCdfO2IwWuj/tP0N1hMzSM05QGX83BTpnijMltlK96J5n8BZXJJG TyiFxGzX+KA6MgANiXWIkkTwWyY9FD9y1yUygCvuR8nUb4jzHF32wFdcqDdtbc41nZo8vrRzmRc jwhJrwemNiFdIgXMmBGn2cNk7VFI+k/qxKJlBEjCeZvQ1DXxyHNn66GPxHBVI5ZiDIPL3izwUpQ 0Wjwlq7OYi5IHbH44PKEdpBlSjKnQwYlrdWbwNDXiHyMJWnCR09TVmlJ1Tn/6UntMtgbWs1TWn8 McPiLGZBYi0KkRWyXkY9NwhIDu0qGEYd0XfblmcQbKyHZRc2b6etDwr1mMzGeDKBUYKeTFAf8ha GMt9xDGQy8V5r3vZvmg== 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=1011 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 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 5c077f7023f1..e2f5dce15946 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 @@ -1023,6 +1024,7 @@ 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