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Wysocki" , Danilo Krummrich , "Christophe Leroy (CS GROUP)" , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Geert Uytterhoeven , Magnus Damm , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Frank Li Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-renesas-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, driver-core@lists.linux.dev, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2138; i=bartosz.golaszewski@oss.qualcomm.com; h=from:subject:message-id; bh=/FJTjprAWyIQ0p28j68CoxC5wxhBmOvR55ovCeBCxn0=; b=owEBbQKS/ZANAwAKAQWdLsv/NoTDAcsmYgBpnFgbTl/b6yX8U2qdfd5c/S2H7znWwXym2k+pZ MO32cjbGJ6JAjMEAAEKAB0WIQSR5RMt5bVGHXuiZfwFnS7L/zaEwwUCaZxYGwAKCRAFnS7L/zaE wxZGD/4jPIFbh12WXp7rntI8dFBgq7M6R5+xsXiKYS1w9RXHJTI892M+j1L7beIpUNcpYkqP3nv vmRLcAyEMG09INav/3Z6yLcTOENIe+OvXqQJ1guGaOmEPg+isS4JYzMckXNBL0+QdiReYpyNXE1 rkxJ4wyEXgoGenzNem/5lqGcgvHxFmhXT2ilVostK2JOmk/NlZ2D2x+uk9csiTfV3YObr95sX1b GveR3OzPuKuYvA1E6s9icHhS7nEq9xKXBcI2B9L5qwtsu8OXLpM3JsNUNx4vfNR4n6IBd8d8kta SJ+l6SUSwWxM+MGuC2wSB+a5GcycljvcmLKjRphj7duZDne6er392axMkRJGhTxahwQ7pyvnZwl Uo3xOLG0wfzLtLUhoWo3ehlZ0bbxzkhaJ/G170mFfWSQ4F+tasn6CVTXNqfmZiRvDeMWVAQFH3T 48Zlp/AsnbU/0/ktaFdf/sgbYpdBpKWM5I/OLg1qYAHdEeRgzPJGUTtnK8C6LbR/nQgXJq6yjgm OW3xwuOaG39ZjEXVUtNiInBsxOZFETmmWfaSYMALTPYrsLYrP9vEnRQLvhDEtTeJ3uoBxJjqQe2 UHrm/TILadf+0Gd9sfzdKQQAMUCkOcG9oP40wWr1pfsRZrE+OdG5s6iGTI6gMNbEKDFcJNWst0R NJIpI4bRnU3W5Ag== X-Developer-Key: i=bartosz.golaszewski@oss.qualcomm.com; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 X-Proofpoint-GUID: 0_jL9vyqG2XYcYPvI3TNsZlPHOvmaqE0 X-Proofpoint-ORIG-GUID: 0_jL9vyqG2XYcYPvI3TNsZlPHOvmaqE0 X-Authority-Analysis: v=2.4 cv=CbsFJbrl c=1 sm=1 tr=0 ts=699c582b cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=F_zDPpySZ_qbLQh0X2kA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIzMDExNyBTYWx0ZWRfXxLTuO8ZWdrI8 mz2ibC7CEn7Tt7SZOA7kRap0reW5iU6W55Ifw5+3JcW+hwmdNTiS3ZfV3WWhDotM90oDmXqwoeq Gk2q2+CQSoyDX8bhLWNTZL39LQ7UGbG+rNGUs8s5Y3ZJkZUqVwDiGQo0GFCxZAilLL07wTq2G+S KVWdgIue2ns3kad4qZ2lnO/+NticrghslbeA1Q9zI5tOaiQPpd0aJcy7FdSn0fXnYKO758M3x+O 4TOGxFDvfdbeLUNLg/fv9d1K0/Y8ZlLMdInonwEUsV/hBIoetQfWSkROdePSYqf1/nQHf1q+yNy xcoU65WMpGLgg516WO6xDBs3ORsQG72/vJCeSwK65UKO7RThgHVb5P36I1GIbOgJrY4GNCTtAwD LIx2mZHH/+rE9SZBl0Jv1sQedimUgTevH7VQUePrwh9X68+A5dXcG6SmmPwIqFKpgTzZObj4ZCB ujxgzUFV6PdjhoIxQWw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-23_02,2026-02-23_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 phishscore=0 spamscore=0 malwarescore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602230117 Status: O Provide a helper function allowing users to read the model string of the machine, hiding the access to the root node. Signed-off-by: Bartosz Golaszewski --- drivers/of/base.c | 13 +++++++++++++ include/linux/of.h | 6 ++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index b70aec32e0e35ee232b413e548742491bf763df7..bf4a51887d7422f5b8bfc63c7b20674bf03d800e 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -449,6 +449,19 @@ int of_machine_read_compatible(const char **compatible, unsigned int index) } EXPORT_SYMBOL_GPL(of_machine_read_compatible); +/** + * of_machine_read_model - Get the model string of this machine + * @model: address at which the address of the model string will be stored + * + * Returns: + * 0 on success, negative error number on failure. + */ +int of_machine_read_model(const char **model) +{ + return of_property_read_string(of_root, "model", model); +} +EXPORT_SYMBOL_GPL(of_machine_read_model); + /** * of_machine_device_match - Test root of device tree against a of_device_id array * @matches: NULL terminated array of of_device_id match structures to search in diff --git a/include/linux/of.h b/include/linux/of.h index 7df971d52b556f21b510a8b5ebfc8df49a2a6f64..2b95777f16f6ea1fb1e4bd0d9902cc2640d14795 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -427,6 +427,7 @@ static inline bool of_machine_is_compatible(const char *compat) } int of_machine_read_compatible(const char **compatible, unsigned int index); +int of_machine_read_model(const char **model); extern int of_add_property(struct device_node *np, struct property *prop); extern int of_remove_property(struct device_node *np, struct property *prop); @@ -859,6 +860,11 @@ static inline int of_machine_read_compatible(const char **compatible, return -ENOSYS; } +static inline int of_machine_read_model(const char **model) +{ + return -ENOSYS; +} + static inline int of_add_property(struct device_node *np, struct property *prop) { return 0;