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[188.129.46.59]) by smtp.googlemail.com with ESMTPSA id s20-20020a170906455400b00a59c4a16e4asm2878350ejq.120.2024.05.07.03.04.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 May 2024 03:04:35 -0700 (PDT) From: Robert Marko To: sjg@chromium.org, trini@konsulko.com, jagan@amarulasolutions.com, vigneshr@ti.com, marek.vasut+renesas@mailbox.org, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [RFC PATCH 2/5] dm: core: introduce uclass_id_on_reset() Date: Tue, 7 May 2024 12:03:50 +0200 Message-ID: <20240507100431.206670-3-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240507100431.206670-1-robert.marko@sartura.hr> References: <20240507100431.206670-1-robert.marko@sartura.hr> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Implement a helper to call .on_reset method for every device in a certain uclass. Intention is to use this helper for UCLASS_SPI_FLASH before board reset to exit 4-byte adressing mode. Signed-off-by: Robert Marko --- drivers/core/uclass.c | 13 +++++++++++++ include/dm/uclass.h | 8 ++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c index e46d5717aa..bed5553d5e 100644 --- a/drivers/core/uclass.c +++ b/drivers/core/uclass.c @@ -831,6 +831,19 @@ int uclass_id_count(enum uclass_id id) return count; } +int uclass_id_on_reset(enum uclass_id id) +{ + struct udevice *dev; + struct uclass *uc; + + uclass_id_foreach_dev(id, dev, uc) { + if (dev->driver->on_reset) + return dev->driver->on_reset(dev); + } + + return 0; +} + UCLASS_DRIVER(nop) = { .id = UCLASS_NOP, .name = "nop", diff --git a/include/dm/uclass.h b/include/dm/uclass.h index 456eef7f2f..57eb1b144f 100644 --- a/include/dm/uclass.h +++ b/include/dm/uclass.h @@ -454,6 +454,14 @@ int uclass_probe_all(enum uclass_id id); */ int uclass_id_count(enum uclass_id id); +/** + * uclass_id_on_reset() - call on_reset for devices of a given uclass ID + * + * @id: uclass ID to look up + * Return: 0 if OK, other -ve on error + */ +int uclass_id_on_reset(enum uclass_id id); + /** * uclass_id_foreach_dev() - iterate through devices of a given uclass ID *