{"id":2221579,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2221579/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260409-mtk-pmic-fixes-v2-3-73e83aa6345b@baylibre.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260409-mtk-pmic-fixes-v2-3-73e83aa6345b@baylibre.com>","date":"2026-04-09T20:30:35","name":"[v2,3/8] power: pmic: mtk-pwrap: add init capability flag","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"3526ce160c9f2fe0de2de175466275fa1859c1f9","submitter":{"id":87228,"url":"http://patchwork.ozlabs.org/api/1.1/people/87228/?format=json","name":"David Lechner","email":"dlechner@baylibre.com"},"delegate":{"id":12423,"url":"http://patchwork.ozlabs.org/api/1.1/users/12423/?format=json","username":"Jaehoon","first_name":"Jaehoon","last_name":"Chung","email":"jh80.chung@samsung.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260409-mtk-pmic-fixes-v2-3-73e83aa6345b@baylibre.com/mbox/","series":[{"id":499358,"url":"http://patchwork.ozlabs.org/api/1.1/series/499358/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=499358","date":"2026-04-09T20:30:32","name":"power: pmic: mtk-pwrap: add more capability flags","version":2,"mbox":"http://patchwork.ozlabs.org/series/499358/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2221579/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221579/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=baylibre-com.20251104.gappssmtp.com\n header.i=@baylibre-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=gxtcEoXE;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260409-mtk-pmic-fixes-v2-3-73e83aa6345b@baylibre.com>","References":"<20260409-mtk-pmic-fixes-v2-0-73e83aa6345b@baylibre.com>","In-Reply-To":"<20260409-mtk-pmic-fixes-v2-0-73e83aa6345b@baylibre.com>","To":"Ryder Lee , Weijie Gao ,\n Chunfeng Yun ,\n Igor Belwon ,\n GSS_MTK_Uboot_upstream ,\n Jaehoon Chung , Peng Fan ,\n Tom Rini ","Cc":"Julien Stephan , u-boot@lists.denx.de,\n David Lechner ","X-Mailer":"b4 0.16-dev","X-Developer-Signature":"v=1; a=openpgp-sha256; l=1856; i=dlechner@baylibre.com;\n h=from:subject:message-id;\n bh=igRoS02hI5x6XRIulhM6vY+UmhZJmfbsSIpeu6V78tU=;\n b=owEBhAF7/pANAwAKAcLMIAH/AY/AAcsmYgBp2AyL0zs37UI1XHztHF0rtSVyMYAOnyJvrJpyK\n zegd7FUqsKJAUoEAAEKADQWIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCadgMixYcZGxlY2huZXJA\n YmF5bGlicmUuY29tAAoJEMLMIAH/AY/AlhAIAJcW5kt8PhalDbehfvdvvWogZerA54NDCZsvXnj\n m0A+d4Qo9MdgwtTgJDCzeiEXLMJmIIBfgzlp4okBnx9koE4QnueOCMm0FP0Mg35jIASY0qIMz7D\n 6URByA9S6h4ZEWejbJ+maE9tbdGlevMfnMmpoDKdBed85nHSM0XkS/c0zuTO7nzWtEdwOnkkhLE\n A5vQBxTWgI2eSfMpZqWGQEFmB6Jp8niFPFwIbpqO/mMm4epHGOnHyPQGrALzG2qm+iGLpwaeSUs\n hsP7PHeagu+zBxBE21tI9RdOujkBjeDfiS5vsXvx2Zvhcpe2iXXt9ULTgYsHZFGOO3EO3AlF/24\n UVFc=","X-Developer-Key":"i=dlechner@baylibre.com; a=openpgp;\n fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"Add a PWRAP_CAP_INIT capability flag to specify if it is safe to call\npwrap_init() or not. Not all targets define the registers accessed\nby pwrap_init(). In that case, it is expected that an earlier bootloader\nhas already initialized the PMIC. If not, we now return an error instead\nof trying to access undefined registers.\n\nSigned-off-by: David Lechner \n---\n drivers/power/pmic/mtk-pwrap.c | 9 ++++++++-\n 1 file changed, 8 insertions(+), 1 deletion(-)","diff":"diff --git a/drivers/power/pmic/mtk-pwrap.c b/drivers/power/pmic/mtk-pwrap.c\nindex 3ed21dcf2ef..38ae44f0abf 100644\n--- a/drivers/power/pmic/mtk-pwrap.c\n+++ b/drivers/power/pmic/mtk-pwrap.c\n@@ -63,6 +63,8 @@ static const struct pmic_child_info mt6359_pmic_children_info[] = {\n #define PWRAP_CAP_WDT_SRC\t\tBIT(4)\n #define PWRAP_CAP_WDT_SRC1\t\tBIT(5)\n #define PWRAP_CAP_ARB\t\t\tBIT(6)\n+/* To implement this capability, the registers used in pwrap_init() must be defined. */\n+#define PWRAP_CAP_INIT\t\t\tBIT(7)\n \n /* defines for slave device wrapper registers */\n enum dew_regs {\n@@ -735,6 +737,11 @@ static int mtk_pwrap_probe(struct udevice *dev)\n \t * Skip initialization here in this case.\n \t */\n \tif (!pwrap_readl(wrp, PWRAP_INIT_DONE2)) {\n+\t\tif (!HAS_CAP(wrp->master->caps, PWRAP_CAP_INIT)) {\n+\t\t\tdev_err(dev, \"initialization is required but not supported\\n\");\n+\t\t\treturn -EOPNOTSUPP;\n+\t\t}\n+\n \t\tret = pwrap_init(wrp);\n \t\tif (ret) {\n \t\t\tdev_err(dev, \"init failed with %d\\n\", ret);\n@@ -877,7 +884,7 @@ static const struct pmic_wrapper_type pwrap_mt8365 = {\n \t.int1_en_all = 0x0,\n \t.spi_w = PWRAP_MAN_CMD_SPI_WRITE,\n \t.wdt_src = PWRAP_WDT_SRC_MASK_ALL,\n-\t.caps = PWRAP_CAP_INT1_EN | PWRAP_CAP_WDT_SRC1,\n+\t.caps = PWRAP_CAP_INT1_EN | PWRAP_CAP_WDT_SRC1 | PWRAP_CAP_INIT,\n };\n \n static const struct udevice_id mtk_pwrap_ids[] = {\n","prefixes":["v2","3/8"]}