From nobody Sat Feb 7 11:30:50 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A1C7B3161B7; Fri, 23 Jan 2026 14:40:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769179244; cv=none; b=BEaO+k/VQ8gBlUq3d8A2Rk771kQednCN8NjJx4VZqzRhaXJyrdKvDy9ON8leZCXdFOji8uDe+AXL99LqC9B11CSQw1K+FmbYbMExPz7Dq++E8kWGqZ05h9OuEnnpqoqTWnc3xaXvfWJcMhR8o3quic0XXpOjui8WJdyzefCr0mg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769179244; c=relaxed/simple; bh=R2CAiDfcDP3Eo61qh/HUCedZo29HtW7cEMWCjEHbQKI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ezqi+m72WL64kxdI8JITGURCvBoApBcrhTlKBQWbAnGBPSl17xkTxI430Bmj0A1wmiCmEGgNBH7UVx8fJslj3Mp7Gsw9uA//qlSuUvU7mL0GN87YaC81FXcpsx5d8QqPY9VnBBX9R/fU4txegrJlEuKVFNj9di6dM/lous9cAJA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V+OQqKTE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V+OQqKTE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C988C19421; Fri, 23 Jan 2026 14:40:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769179244; bh=R2CAiDfcDP3Eo61qh/HUCedZo29HtW7cEMWCjEHbQKI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V+OQqKTETREMXZ6UYfihncl40OaEA9QXJSvbzBJyrbtFkdAnt8mWyG4o6TCbIahib Vgru5jGBKbJRpQwRRgBPwsP1AhVDuV8wmTiEG3edViO7UK6pOLvuePDEwYhjFGztjh fh+TEdJl1/PPi7D/YR2f7O7cUfS9HcWo6t+KddvfKiyMlT21iJTgdOK2KJ4gR+Q+Hw gqSiZf4C+t8JQ5jSThZc1oRRpuubZHsn8U2T3a+yDu22qne9ww9UN9kTjSPXu4yhHr p6nG+qGIHgglM3outB3AtACLUUW4KiVZvMDMDrbY74URcAXG3+VK8sqheSivsi+nb3 PuI5fEzZjkyuw== From: Jisheng Zhang To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] usb: gadget: f_fs: Add a prefix to log messages Date: Fri, 23 Jan 2026 22:22:19 +0800 Message-ID: <20260123142221.14285-2-jszhang@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260123142221.14285-1-jszhang@kernel.org> References: <20260123142221.14285-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" I met some log as below: [ 581.262476] read descriptors [ 581.265558] bcdVersion must be 0x0100, stored in Little Endian order... To be honest, if I'm not familiar with the usb gadget framework, I dunno which component is complaining. Add a prefix to log messages, so the above messages will look like: [ 581.262476] usb_f_fs: read descriptors [ 581.265558] usb_f_fs: bcdVersion must be 0x0100, stored in Little Endian= order... Signed-off-by: Jisheng Zhang --- drivers/usb/gadget/function/f_fs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/functi= on/f_fs.c index 05c6750702b6..97c7f0052327 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -14,6 +14,8 @@ /* #define DEBUG */ /* #define VERBOSE_DEBUG */ =20 +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include --=20 2.51.0 From nobody Sat Feb 7 11:30:50 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5541D328B70; Fri, 23 Jan 2026 14:40:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769179246; cv=none; b=hudSCiZbhX8d9h9ux+mkhQn4efYuC4dOL7CqJVKokKhVI/H/lr5tBiwx5DgCVw/UZj7Ly6bi+xoTilRGSE/M7xGBvrvppP1xm88AndlabGbu2bhLxqGGGbuCVovOLrDVnVT4DqePI6n3pPlcsy8ZNupCQzxKggjRo2/DoIRg5oI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769179246; c=relaxed/simple; bh=qXIAL+NMnUWPsVVSlF8kvbM85s6akqh6vsNXD2HZ/BE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mi7+H577+2y9YzYYR6SbeR4WFXBNt6e6pGOQfaa9dcInnSC+AQLKoqhY62X6xYyn0W//rVPX79krfIbAI5I+r8DFqt3v+DQlUdoE7sR6zJNMG+oXmeQvmxsX7frqPLFfHyQzAyVCIEpSXzdZe3dciQ2eXffXNrFxO+MRixKXJBw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BgjMbDwW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BgjMbDwW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4E2DC4CEF1; Fri, 23 Jan 2026 14:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769179245; bh=qXIAL+NMnUWPsVVSlF8kvbM85s6akqh6vsNXD2HZ/BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BgjMbDwWtzbG9gy4BJLr1VaenCtf/A1vKCwqJkZXBjOYkmYFXhO712nNwgsPARVqe OKlLcGLxmxWME94gf1X/ZMDkV2TSMws5mjvaFhiIOty5p0xJPueYmNWP20Yd7pjv9l HeeO9V27EHbkq938ms2y8/jHjsCxml6QHCWRwDNhJIUORt1lnx2ORYL/uDmQhlXom1 4+3KjDg5LGWrFwmEYb8X3A/Ff82nK5ORBFPAQoszPih5NUOFMu9/Sg60hE1xdlvwYd btO02AnZUvplHJB3do2aCsrOrdVx/r2dWewTMXgrHKdzBlEpKsjuryOEPEqJFkJY8J ryXsPxKT4qhAQ== From: Jisheng Zhang To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] usb: gadget: f_mass_storage: Add a prefix to log messages Date: Fri, 23 Jan 2026 22:22:20 +0800 Message-ID: <20260123142221.14285-3-jszhang@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260123142221.14285-1-jszhang@kernel.org> References: <20260123142221.14285-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Similar as last patch, add a prefix to log messages so that users can convienently know where's the msg from. Signed-off-by: Jisheng Zhang --- drivers/usb/gadget/function/f_mass_storage.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gad= get/function/f_mass_storage.c index 94d478b6bcd3..d7ae076705c4 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -168,6 +168,8 @@ /* #define VERBOSE_DEBUG */ /* #define DUMP_MSGS */ =20 +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include --=20 2.51.0 From nobody Sat Feb 7 11:30:50 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3746E32C92A; Fri, 23 Jan 2026 14:40:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769179248; cv=none; b=jiiZnTR5022Uep1KxllXp5SPYKwx3q6YIz3HHowKzjF8pTa1FMnZpkJQWG3+tvJdHv4D5Kbgsoupv/FVEMg7aQfC+gtkoHPkQe7k8vVc4yOuKLZAqeZZo467RYeAx/4EhXtWwkl6z+lu/u9R39QJ2OhltnT+rWU7mgAaH7wol8A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769179248; c=relaxed/simple; bh=zz3D8eHdXxx7lO+TeKxeRXvlXgOLC2OIWaDHWOdpDUU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uRmDjVl8ki9KOWYCIkwKw+KFmaMYpiGrV/t4yHPVdcCZYqE0SC5mH1oTMRa8JR1zEMVBMFH5dW9/mbOA55ZBkfEOsa/eZWiyE6Pp5NaJf95FFzjLadokmDKhtwwJv7J6IedS4VQmZo5Gi9kYGpnUP3UsXXOJ/hUvfMZ6ghO53VU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Vv9AFG7a; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Vv9AFG7a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CC7B3C19422; Fri, 23 Jan 2026 14:40:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769179247; bh=zz3D8eHdXxx7lO+TeKxeRXvlXgOLC2OIWaDHWOdpDUU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vv9AFG7a3IyKAN5Vl5pZcWenMqubyzjYgitWr8ar4z2C5elXq6k+6Qy4kxtkdkOU8 mtJNaZIM9JJ+CDbJ+k14FNMP/eq/sVo/gtUIuDFkq7TRV15LwV5/A05Q43SKfRgbZN 5bzzBLUrnv51vSrx0/rAHuYPsOQ2ph9iTDwCOmGJOrGPvr76A9LD9anI4rcOxVkSSR Yg1D4deikWZhLC5fcq9P6Er+Xgk0V8udg4ZN4GgtSrme+p0HKtRc0VmzDJNo/kmJj+ VHiyFG551Kn93psKacJt2ZW+I88oWZd8myi/ogBT9IibAZ0iTr8+hCBwGnEX2vAF6R SJS8nAXP0Ne3Q== From: Jisheng Zhang To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] usb: gadget: f_tcm: Add a prefix to log messages Date: Fri, 23 Jan 2026 22:22:21 +0800 Message-ID: <20260123142221.14285-4-jszhang@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260123142221.14285-1-jszhang@kernel.org> References: <20260123142221.14285-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Similar as last patch, add a prefix to log messages so that users can convienently know where's the msg from. Signed-off-by: Jisheng Zhang --- drivers/usb/gadget/function/f_tcm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/funct= ion/f_tcm.c index 6e8804f04baa..760f5a02e6af 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -6,6 +6,9 @@ * * Author: Sebastian Andrzej Siewior */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include --=20 2.51.0