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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=2484; i=bartosz.golaszewski@oss.qualcomm.com; h=from:subject:message-id; bh=kiNnpMfASMUUyUM3BexU/p37quB5SdiUkVxgKJCVWKo=; b=owEBbQKS/ZANAwAKAQWdLsv/NoTDAcsmYgBpnFgdJ4S3kKQy7E5gZ1HH0U5SQZilqtbHrWuRg vsXfy1WCm2JAjMEAAEKAB0WIQSR5RMt5bVGHXuiZfwFnS7L/zaEwwUCaZxYHQAKCRAFnS7L/zaE w+ffD/9rAOyhycwaiVuwUk5IsBC6AoWuSyHbtclUsR021hX341sTNrodmTF9hBEyCYtfeoID3s6 6v54GhA+fRlXWOiMcydGgtSfnh1/l9JMceBWhF24bHQuSAibluRfYEHlf3q7KsT5Hf7u/YfHdwv 0S7/gjaeJS30/KeoKhxy+4i3Zl33BKt/7NkLDJK4gyrzhOJIecBLTZZbC58VhpbOwBq1uchfsSI eM745iLv/Vlg99B9GuBna643AcG2mK0QBRJVBqm0q3ynRf2uJ2T4i6COg66w12blMZcHrZK28k8 SeC/oWmP91fpkpb0irJ/icN6A6vIIFFenIGT85YwHaTwE3+gvxjb31t1Y5KompcEwLIPOAfn/TL dWoMEdcE8krPx2hBK8ylSyyT9+SD1tMG85TZ4OKKbSixYU5XP/Bj6mVeGH9+9pKUqXy3PSuU/An V1NP8SeznajicCUQ1QJF93oKppmUIm1V5gQQKKxi1I+gWRG5nG5W0/uTz33jh3tvhXxt14vem2o 0Y3AZokJjVKI8Il/350KT4+2vWorZeZjVtaku4rZgEEcoxjQ4q8YP+ic+Pt5ExHSIkYiEzhC5jv r0utAOUE+xo8SMXpcDj7WmsGu74rh8oim9GPqphG9oWx8OlsUhJ5jecRvSRHBK043p5Arv3iWI2 hnk/0nakVnNjHYw== X-Developer-Key: i=bartosz.golaszewski@oss.qualcomm.com; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 X-Proofpoint-GUID: g1F93D1vKsqAeiZuG3HqhzZ860moWBiT X-Proofpoint-ORIG-GUID: g1F93D1vKsqAeiZuG3HqhzZ860moWBiT X-Authority-Analysis: v=2.4 cv=CbsFJbrl c=1 sm=1 tr=0 ts=699c5830 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=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=VU1FamAdWuTKyoDMntYA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIzMDExNyBTYWx0ZWRfX+yDTbBzG4Lki od00BBZlWvl+B5MkRgcHJPJGmsaMATw23fmTFvAtb6MkxpMUPsrSRHKCa4DDUT6UVTBYHrz30PV /EpCGr5SyT9/ZhGYnr72BzsoaMyUEkTjGHQNZiHjRqOi6WKtg5bkNT2m60zoTF+qStoNrWfbrpt YLousSKwi2XPtgJSsP82x3eBTXuKJaV6jUuI8wVqvXSa49VqPIUAmBIBYvesXDycUwL+OZ7Aeh4 0E4iMvI+k2YrGhnlsJU2KsjDQrVh3oUdE+TUGmp0V4vEIrX45TFEucxnjIX0Z1KVb6naxFBfgkY SofhSGLL0umcaMVe5JA3Womey3oFKGedjbjtFtcpSNtpP0QfhIamJ9Y9tw+vsuSIa8MDyv7OWTe 23aT4Y2FdaiPX2LBmw4oiPHbMhR3OGt547KCw6bqNrWg3bzI0a/PNwF8bgNdo0TZK2ud5q6Lb9G wuzcYc5Oic9OogbVdKA== 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 Some SoC drivers reimplement the functionality of soc_device_get_machine(). Make this function accessible through the sys_soc.h header and rename it to a more descriptive name. Reviewed-by: Christophe Leroy (CS GROUP) Signed-off-by: Bartosz Golaszewski --- drivers/base/soc.c | 13 +++++-------- include/linux/sys_soc.h | 10 ++++++++++ 2 files changed, 15 insertions(+), 8 deletions(-) diff --git a/drivers/base/soc.c b/drivers/base/soc.c index 48e2f0dbd330b8d402135ffa7308f454eb4ab7a5..65ce72d49230360c22a812cb9286e7fb4de0baf2 100644 --- a/drivers/base/soc.c +++ b/drivers/base/soc.c @@ -111,17 +111,14 @@ static void soc_release(struct device *dev) kfree(soc_dev); } -static void soc_device_get_machine(struct soc_device_attribute *soc_dev_attr) +int soc_attr_read_machine(struct soc_device_attribute *soc_dev_attr) { - struct device_node *np; - if (soc_dev_attr->machine) - return; + return -EBUSY; - np = of_find_node_by_path("/"); - of_property_read_string(np, "model", &soc_dev_attr->machine); - of_node_put(np); + return of_machine_read_model(&soc_dev_attr->machine); } +EXPORT_SYMBOL_GPL(soc_attr_read_machine); static struct soc_device_attribute *early_soc_dev_attr; @@ -131,7 +128,7 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr const struct attribute_group **soc_attr_groups; int ret; - soc_device_get_machine(soc_dev_attr); + soc_attr_read_machine(soc_dev_attr); if (!soc_bus_registered) { if (early_soc_dev_attr) diff --git a/include/linux/sys_soc.h b/include/linux/sys_soc.h index d9b3cf0f410c8cfb509a4c1a4d6c83fde6fe33c6..f19f5cec18e28461fef57f22702d2c44a41e4193 100644 --- a/include/linux/sys_soc.h +++ b/include/linux/sys_soc.h @@ -37,6 +37,16 @@ void soc_device_unregister(struct soc_device *soc_dev); */ struct device *soc_device_to_device(struct soc_device *soc); +/** + * soc_attr_read_machine - retrieve the machine model and store it in + * the soc_device_attribute structure + * @soc_dev_attr: SoC attribute structure to store the model in + * + * Returns: + * 0 on success, negative error number on failure. + */ +int soc_attr_read_machine(struct soc_device_attribute *soc_dev_attr); + #ifdef CONFIG_SOC_BUS const struct soc_device_attribute *soc_device_match( const struct soc_device_attribute *matches);