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Fri, 22 Aug 2025 00:27:36 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFTehOos9qkAI5xl9S59zDtQOUhKhsUAUuyv1YxEMjXQtaSCQOWWRMW2hZ4CBYNuyVGH4npwA== X-Received: by 2002:a05:6a20:7343:b0:235:2395:9b79 with SMTP id adf61e73a8af0-243302c9601mr6496529637.20.1755847655785; Fri, 22 Aug 2025 00:27:35 -0700 (PDT) Received: from hu-vdadhani-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b4763fe3047sm6416367a12.17.2025.08.22.00.27.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Aug 2025 00:27:35 -0700 (PDT) From: Viken Dadhaniya To: andi.shyti@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, andersson@kernel.org, konradybcio@kernel.org, broonie@kernel.org, johan+linaro@kernel.org, dianders@chromium.org, agross@kernel.org, linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org Cc: mukesh.savaliya@oss.qualcomm.com, Viken Dadhaniya Subject: [PATCH v6 6/6] serial: qcom-geni: Load UART qup Firmware from linux side Date: Fri, 22 Aug 2025 12:56:51 +0530 Message-Id: <20250822072651.510027-7-viken.dadhaniya@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250822072651.510027-1-viken.dadhaniya@oss.qualcomm.com> References: <20250822072651.510027-1-viken.dadhaniya@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=fpOFpF4f c=1 sm=1 tr=0 ts=68a81be9 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=2OwXVqhp2XgA:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=COk6AnOGAAAA:8 a=zIdmu9zckVospZd7ahEA:9 a=2VI0MkxyNR6bbpdq8BZq:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: 4FPf6pntn7wOWwFnvkS0-34sbJbfjxdi X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODIwMDAxMyBTYWx0ZWRfX7ttV98E51NY0 GIiSO3+86fZss2+XF+kqL/lfjR8bBw4Pky7XD4arnq56WQhuql9KOMXbR0CeTq8i14liEo0r+qX Q5m/XYiH2OTuNt1CuAm9KS3aBR+qAKZ28f5pZm+Eb94ibDM5k5HseJBprsSxKoRtAv4mi5BBhnM CgBt36hy2CouxIlLQKk6y1/PLNNE9DIbWHra0DqYZsm2OYApjWoq7cJ/Pp5xTLOsta3YMcmiISz Y5cvVElRYB+nHSnphSnaivV9RR5G4HlLuLCJtvd61EQuRfCW38HPqpLWEaJDy6eaXjfVE8xjaxJ NAGXNU49rkY+6u3qURWkOvbuonm9Z+VGLKLLPYLq4J5m/lUPrcQ00SxzUx49pRcGGesKZWTgp4i zXt3IxQS3W/gkZtBtbpI8kl0lXoXwg== X-Proofpoint-ORIG-GUID: 4FPf6pntn7wOWwFnvkS0-34sbJbfjxdi 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=2025-08-22_02,2025-08-20_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 spamscore=0 clxscore=1015 adultscore=0 suspectscore=0 bulkscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2508110000 definitions=main-2508200013 Add provision to load firmware of Serial engine for UART protocol from Linux Execution Environment on running on APPS processor. Co-developed-by: Mukesh Kumar Savaliya Signed-off-by: Mukesh Kumar Savaliya Signed-off-by: Viken Dadhaniya --- Dependencies: This patch depends on patch 3 of this series. v5 -> v6: - No change. v5 Link: https://lore.kernel.org/linux-i2c/20250624095102.1587580-6-viken.dadhaniya@oss.qualcomm.com/ v4 -> v5: - Updated the email domain from 'quic' to 'oss'. v4 Link: https://lore.kernel.org/all/20250503111029.3583807-6-quic_vdadhani@quicinc.com/ v3 -> v4: - Add a patch dependency note. v3 Link: https://lore.kernel.org/linux-arm-msm/20250303124349.3474185-10-quic_vdadhani@quicinc.com/ v2 -> v3: - Load firmware only if the protocol is invalid. v2 Link: https://lore.kernel.org/linux-arm-msm/20250124105309.295769-9-quic_vdadhani@quicinc.com/ v1 -> v2: - No change. v1 Link: https://lore.kernel.org/linux-arm-msm/20241204150326.1470749-8-quic_vdadhani@quicinc.com/ --- --- drivers/tty/serial/qcom_geni_serial.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 9c7b1cea7cfe..eba225be9b38 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1179,7 +1179,13 @@ static int qcom_geni_serial_port_setup(struct uart_port *uport) int ret; proto = geni_se_read_proto(&port->se); - if (proto != GENI_SE_UART) { + if (proto == GENI_SE_INVALID_PROTO) { + ret = geni_load_se_firmware(&port->se, GENI_SE_UART); + if (ret) { + dev_err(uport->dev, "UART firmware load failed ret: %d\n", ret); + return ret; + } + } else if (proto != GENI_SE_UART) { dev_err(uport->dev, "Invalid FW loaded, proto: %d\n", proto); return -ENXIO; } -- 2.34.1