From nobody Sun Feb 8 14:59:37 2026 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A02AA26E6E1; Sat, 10 Jan 2026 23:26:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087616; cv=none; b=dTVnYIejwZwYvFGdnIZCwYTW/VgXYp3to+PQVZx1AOb9yQo0P5E8rjim+jAtLI46JufJTUWAeQnpEI11LKu8eiglo795HwnsaXrnCgdyrnZ5sNlQjR7yFdXGBgsG9lCm3qiCV0R0vFCF14tDHJw+ytsfm7ACtXNBgf+mLAZLYSk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087616; c=relaxed/simple; bh=iCYS7nazhk9qvnVW6nNZNrqaiaAb8T581JSnfxwLcy0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gSaj8sgFjReMQvB1VVtRUipMsqWx2xq92cAP0pWKmvZqIfa8K4EMG3SlKXToYCeY9saMEloGaCXRu63JQU1aikSaO+eyGPSwSYTX7H49dMw47cNoiu2F+OhyzmOMGIX+QpXo7M1pirBYAHkusWvjmkJch9F4R8/uMef5xkoDgBM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=ZgAb21fM; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ZgAb21fM" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=duQxC0uTPFl9OBKTDlU60acfDEsAvmXsqLyESd2q+zk=; b=ZgAb21fMU9zEvTCxuYUUeKkYN9 9tCP048g6wto3O+VMT1rBFjda71BOWMx55FAkxw7XUvvYeMPWzl0ur1dEoLxfCWeZNPfg3DOlctdD f4NE51Nipv5nfwF7HgEOBalsHnGZB124bzmhNgFI4Vnv3A/aVva55BrtB9Fnb2h5Fie1yPErgUr6d hFBG9FqB+qm8hwDPEHjaA+81kBS29ncYlNaQXUYiot5C3VSbpNEYqoqZDoY/yUO/2rZlirPv/PvHt S2jgDRf5OWK6HcisKqrlbxsSqczZTgAd4fG16L/TqSn2WTXReNDaRRJX19Dp0wI6Ers5crJMosrKY 0004KsAw==; Received: from [50.53.43.113] (helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1veiM1-00000003lbk-0IXz; Sat, 10 Jan 2026 23:26:45 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , Greg Kroah-Hartman , Jiri Slaby , Geert Uytterhoeven , linux-serial@vger.kernel.org Subject: [PATCH 1/4 v2] serial: imx: change SERIAL_IMX_CONSOLE to bool Date: Sat, 10 Jan 2026 15:26:40 -0800 Message-ID: <20260110232643.3533351-2-rdunlap@infradead.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260110232643.3533351-1-rdunlap@infradead.org> References: <20260110232643.3533351-1-rdunlap@infradead.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" SERIAL_IMX_CONSOLE is a build option for the imx driver (SERIAL_IMX). It does not build a separate console driver file, so it can't be built as a module since it isn't built at all. Change the Kconfig symbol from tristate to bool and update the help text accordingly. Fixes: 0db4f9b91c86 ("tty: serial: imx: enable imx serial console port as m= odule") Signed-off-by: Randy Dunlap --- v2: drop Fugang Duan (mail bounces) Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Geert Uytterhoeven Cc: linux-serial@vger.kernel.org drivers/tty/serial/Kconfig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- linux-next-20251219.orig/drivers/tty/serial/Kconfig +++ linux-next-20251219/drivers/tty/serial/Kconfig @@ -486,14 +486,14 @@ config SERIAL_IMX can enable its onboard serial port by enabling this option. =20 config SERIAL_IMX_CONSOLE - tristate "Console on IMX serial port" + bool "Console on IMX serial port" depends on SERIAL_IMX select SERIAL_CORE_CONSOLE help If you have enabled the serial port on the Freescale IMX - CPU you can make it the console by answering Y/M to this option. + CPU you can make it the console by answering Y to this option. =20 - Even if you say Y/M here, the currently visible virtual console + Even if you say Y here, the currently visible virtual console (/dev/tty0) will still be used as the system console by default, but you can alter that using a kernel command line option such as "console=3Dttymxc0". (Try "man bootparam" or see the documentation of From nobody Sun Feb 8 14:59:37 2026 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9C1191A9F84; Sat, 10 Jan 2026 23:26:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087615; cv=none; b=R9xdK4M88VM2CLnrDY+/Wr+6SeO/rz0+95Bx2LtRpIumQ3WEd9KDIX7drtdlNBIYZaocMxFXIgwX3JS4dQFrjjCrCmtSHafoV+IWv7jKJZ2aObV190NcYP7RWt3P06VyuS4xCNBxQBdd1SrUYE9josDw22OjVpkw1vIGrBwh+0k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087615; c=relaxed/simple; bh=D7UDL7fBcEG1gCDK2k2nb7CHS5dCn0rnNChtqNFjgcE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ejPzk4Gva9HyBArWwi3Bi8LCaa+megIjm7t5XkYcIuW7QWV97XCdP7A0rSqYY94I9Fr33/sfeIibRBuY393+nsHK0ypP8/+LGOy+fc2IZB+yX9mcWn8nMYQaLXxMKB1PWkFTuZjcHs8k6AwSdbZlzZH9S86LJzVXFtItrdfEpXA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=wUIj7H4V; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="wUIj7H4V" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=1jlhZM5c6dEobiBfxM6YXSLN/OUIy7rMuPWvCmCgljY=; b=wUIj7H4VXZOHcYLw7PR7qd52OP Do1fmlTibfv+VaxmhWeV9FHi2Xge1YkjN/1nr7UGjhDC2yzmLzXmbQpYtodQi80eZlRXv+gxTLM4E NxN8cU9ZqKm/oYzbVKZa6JHPlLXQEiGxUG9Tt8K3lQNstUE1Me/P6aPzfB4xL9I7H/IqoLti1pXXp EgX3zePMDPJ6evjcHEWCf9M2+ediQQ+L/fwmqHdy3Jp3qkpmI0Ux8O0CtdgWDqVKiGxKN6M3pNI0Z HSmXMvKrfN04WoqhhrcfvWJJ5dkW0RJSWsZLCnpBfol5GRwABen1FAYFNZbKgaXpeY/a0+Vus5PAY KR94OmCg==; Received: from [50.53.43.113] (helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1veiM1-00000003lbk-1WW5; Sat, 10 Jan 2026 23:26:45 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , Greg Kroah-Hartman , Jiri Slaby , Geert Uytterhoeven , linux-serial@vger.kernel.org Subject: [PATCH 2/4 v2] serial: 8250: fix ordering of entries for menu display Date: Sat, 10 Jan 2026 15:26:41 -0800 Message-ID: <20260110232643.3533351-3-rdunlap@infradead.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260110232643.3533351-1-rdunlap@infradead.org> References: <20260110232643.3533351-1-rdunlap@infradead.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" Improve the "8250/16550 serial support" menu so that entries in it are displayed in a better order (reorder a few symbols) and so that intervening symbols don't break up the dependency list, allowing menu entries to be displayed with proper indentation. Signed-off-by: Randy Dunlap --- v2: no change (resending since patch 4 changed) Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: linux-serial@vger.kernel.org drivers/tty/serial/8250/Kconfig | 95 +++++++++++++++--------------- 1 file changed, 48 insertions(+), 47 deletions(-) --- linux-next-20251219.orig/drivers/tty/serial/8250/Kconfig +++ linux-next-20251219/drivers/tty/serial/8250/Kconfig @@ -116,6 +116,7 @@ config SERIAL_8250_DMA =20 config SERIAL_8250_PCILIB bool + depends on SERIAL_8250 && PCI =20 config SERIAL_8250_PCI tristate "8250/16550 PCI device support" @@ -205,6 +206,37 @@ config SERIAL_8250_EXTENDED kernel: saying N will just cause the configurator to skip all the questions about serial driver options. If unsure, say N. =20 +config SERIAL_8250_SHARE_IRQ + bool "Support for sharing serial interrupts" + depends on SERIAL_8250_EXTENDED + help + Some serial boards have hardware support which allows multiple dumb + serial ports on the same board to share a single IRQ. To enable + support for this in the serial driver, say Y here. + +config SERIAL_8250_DETECT_IRQ + bool "Autodetect IRQ on standard ports (unsafe)" + depends on SERIAL_8250_EXTENDED + help + Say Y here if you want the kernel to try to guess which IRQ + to use for your serial port. + + This is considered unsafe; it is far better to configure the IRQ in + a boot script using the setserial command. + + If unsure, say N. + +config SERIAL_8250_RSA + bool "Support RSA serial ports" + depends on SERIAL_8250_EXTENDED + help + Say Y here if you have a IODATA RSA-DV II/S ISA card and + would like to use its >115kbps speeds. + You will need to provide module parameter "probe_rsa", or boot-time + parameter 8250.probe_rsa with I/O addresses of this card then. + + If you don't have such card, or if unsure, say N. + config SERIAL_8250_MANY_PORTS bool "Support more than 4 legacy serial ports" depends on SERIAL_8250_EXTENDED @@ -240,19 +272,6 @@ config SERIAL_8250_ACCENT To compile this driver as a module, choose M here: the module will be called 8250_accent. =20 -config SERIAL_8250_ASPEED_VUART - tristate "Aspeed Virtual UART" - depends on SERIAL_8250 - depends on OF - depends on MFD_SYSCON - depends on ARCH_ASPEED || COMPILE_TEST - select REGMAP - help - If you want to use the virtual UART (VUART) device on Aspeed - BMC platforms, enable this option. This enables the 16550A- - compatible device on the local LPC bus, giving a UART device - with no physical RS232 connections. - config SERIAL_8250_BOCA tristate "Support Boca cards" depends on SERIAL_8250 !=3D n && ISA && SERIAL_8250_MANY_PORTS @@ -293,44 +312,23 @@ config SERIAL_8250_PCI1XXXX serial driver for the serial interface. This driver support will ensure to support baud rates upto 1.5Mpbs. =20 +config SERIAL_8250_ASPEED_VUART + tristate "Aspeed Virtual UART" + depends on SERIAL_8250 + depends on OF + depends on MFD_SYSCON + depends on ARCH_ASPEED || COMPILE_TEST + select REGMAP + help + If you want to use the virtual UART (VUART) device on Aspeed + BMC platforms, enable this option. This enables the 16550A- + compatible device on the local LPC bus, giving a UART device + with no physical RS232 connections. + # # Misc. options/drivers. # =20 -config SERIAL_8250_SHARE_IRQ - bool "Support for sharing serial interrupts" - depends on SERIAL_8250_EXTENDED - help - Some serial boards have hardware support which allows multiple dumb - serial ports on the same board to share a single IRQ. To enable - support for this in the serial driver, say Y here. - -config SERIAL_8250_DETECT_IRQ - bool "Autodetect IRQ on standard ports (unsafe)" - depends on SERIAL_8250_EXTENDED - help - Say Y here if you want the kernel to try to guess which IRQ - to use for your serial port. - - This is considered unsafe; it is far better to configure the IRQ in - a boot script using the setserial command. - - If unsure, say N. - -config SERIAL_8250_RSA - bool "Support RSA serial ports" - depends on SERIAL_8250_EXTENDED - help - Say Y here if you have a IODATA RSA-DV II/S ISA card and - would like to use its >115kbps speeds. - You will need to provide module parameter "probe_rsa", or boot-time - parameter 8250.probe_rsa with I/O addresses of this card then. - - If you don't have such card, or if unsure, say N. - -config SERIAL_8250_DWLIB - bool - config SERIAL_8250_ACORN tristate "Acorn expansion card serial port support" depends on ARCH_ACORN && SERIAL_8250 @@ -596,3 +594,6 @@ config SERIAL_OF_PLATFORM are probed through devicetree, including Open Firmware based PowerPC systems and embedded systems on architectures using the flattened device tree format. + +config SERIAL_8250_DWLIB + bool From nobody Sun Feb 8 14:59:37 2026 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9ED0924DCEB; Sat, 10 Jan 2026 23:26:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087616; cv=none; b=nRCIzNeZtGztj8p147AlPKk3tIQH0Mvseq/TwAeyxlWq4yc41Kypg4ZW+7dHb9UlwPweej2ft6rV15336D2xpHrO2vh5jS7miPZAJzrmVI48XmfFHoTG0CpKFJySFGVmMAZbzhpiHDJfgnkZYySo5fcWVQMH6lzMSxWZkIYlSos= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087616; c=relaxed/simple; bh=ijYhweJ0wfKw3JnYDNsfIKoRaU1xftAaDfRtC/Zy5cA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EIccc34LZOlP4ddOz7ssf8rjOroWkdAovapoOC3yebMgd8QFgzlYqLF28lgxm+TaZJTYNB/iqaJAJJyF+pUsSA+pk3HoCZ1KjsozfUuxJRpGvY/OkZxQIuE2DTa42AElWnfwTNHpnDk/VJ00HFEOkXUB9l8IhNTDcj4tdD3vB8E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=4WSSv6uS; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="4WSSv6uS" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=rrL0g0mPnat4iU5QjgMFQiA9kFjs/YA8LBDPK9+rOxQ=; b=4WSSv6uS/WfgiQpv5oBIk2CKSq t9SFf02JVE1UOKtFRHvymEuLnN2Ag5CyZmlqU6s+Bk2AMy3qzLPFlcvZQ3AT2p8bw3EaQm8nNwJKi mbr6XnPreLf5Y/Qill47OgKNqeOCLnQmSR1y1WPQlV7e/rVQwGbZ7rinHqBgCGCmVaVYwV4/w+htD YhuXYhU9c5sslTlNKg2XsJWL9fcbEaaJRKGQMbXQSJSpyUHZvJvxXUwE4WKymg+ueEo7OiXz7Lijl eP06GCO+SKOsdOBrIwR2BuX0TBmyP3IhJy50DS+b1t1XpJRhTPRGxoR6mi9jrqU2/mDgyxqTKL1Ea i6i5B3Kg==; Received: from [50.53.43.113] (helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1veiM1-00000003lbk-2di9; Sat, 10 Jan 2026 23:26:45 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , Greg Kroah-Hartman , Jiri Slaby , Geert Uytterhoeven , linux-serial@vger.kernel.org Subject: [PATCH 3/4 v2] serial: Kconfig: fix ordering of entries for menu display Date: Sat, 10 Jan 2026 15:26:42 -0800 Message-ID: <20260110232643.3533351-4-rdunlap@infradead.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260110232643.3533351-1-rdunlap@infradead.org> References: <20260110232643.3533351-1-rdunlap@infradead.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" Improve the "Non-8250 serial port support" menu so that entries in it are displayed in a better order (_CONSOLE after its driver) and so that intervening symbols don't break up the dependency list, allowing menu entries to be displayed with proper indentation. Signed-off-by: Randy Dunlap --- v2: no change (resending since patch 4 changed) Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: linux-serial@vger.kernel.org drivers/tty/serial/Kconfig | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) --- linux-next-20251219.orig/drivers/tty/serial/Kconfig +++ linux-next-20251219/drivers/tty/serial/Kconfig @@ -413,6 +413,10 @@ config SERIAL_21285_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) =20 +config SERIAL_PXA_NON8250 + bool + depends on !SERIAL_8250 || COMPILE_TEST + config SERIAL_PXA bool "PXA serial port support (DEPRECATED)" depends on ARCH_PXA || ARCH_MMP @@ -426,10 +430,6 @@ config SERIAL_PXA Unless you have a specific need, you should use SERIAL_8250_PXA instead of this. =20 -config SERIAL_PXA_NON8250 - bool - depends on !SERIAL_8250 || COMPILE_TEST - config SERIAL_PXA_CONSOLE bool "Console on PXA serial port (DEPRECATED)" depends on SERIAL_PXA @@ -863,15 +863,15 @@ config SERIAL_ICOM This driver can also be built as a module. If so, the module will be called icom. =20 +config HAS_TXX9_SERIAL + bool + config SERIAL_TXX9 bool "TMPTX39XX/49XX SIO support" depends on HAS_TXX9_SERIAL select SERIAL_CORE default y =20 -config HAS_TXX9_SERIAL - bool - config SERIAL_TXX9_NR_UARTS int "Maximum number of TMPTX39XX/49XX SIO ports" depends on SERIAL_TXX9 @@ -1251,12 +1251,6 @@ config SERIAL_AR933X_NR_UARTS Set this to the number of serial ports you want the driver to support. =20 -config SERIAL_MPS2_UART_CONSOLE - bool "MPS2 UART console support" - depends on SERIAL_MPS2_UART - select SERIAL_CORE_CONSOLE - select SERIAL_EARLYCON - config SERIAL_MPS2_UART bool "MPS2 UART port" depends on ARCH_MPS2 || COMPILE_TEST @@ -1264,6 +1258,12 @@ config SERIAL_MPS2_UART help This driver support the UART ports on ARM MPS2. =20 +config SERIAL_MPS2_UART_CONSOLE + bool "MPS2 UART console support" + depends on SERIAL_MPS2_UART + select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON + config SERIAL_ARC tristate "ARC UART driver support" select SERIAL_CORE From nobody Sun Feb 8 14:59:37 2026 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9D70E23EA9B; Sat, 10 Jan 2026 23:26:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087614; cv=none; b=p6kLNGf3eDnEsewBWEspGreorGiUqRKeIrl8aYroViPSHe1hHo7oari7CfnpBjxcz5S1gtrTXYdLg+GI4wmTa60Q15FYsZDKPtT4echcEMlFQFJBJlgt2wlqtZ/nAZg1WPhX8CFxQ2IL9xdsGRwfg7b+1/MYk89l3Sl+G8HnJaM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768087614; c=relaxed/simple; bh=15BWXFeMSMIh6w661ix/FbNONx1QYCGdtYtG2EPQ5Q0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TZn7DtHJiukU6dDWfTn/kTEdvYZdz382ysDdWArmhkxlVSgsRb3lgk/nuYWo+w4wERl1rnlHupdCSkpJq6D1COn9n/r93YuEUlVQBHtaqyPbAdG8n3GTwdh6pypTLn0V/I4nLGnb8xRVqom3bgptUC47ccyVpTL4f6u5gv1VYUI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=feoAPe8t; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="feoAPe8t" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=spkX88AB1ItPY7AAUri8iKAK/0QnhYU30lyjDwyqRQI=; b=feoAPe8tl8UFGM+3daoVIShonV +Ll/YTZRkFig5oj1euVSDaZqB4OtUJwxdTrTaVtLGN1QQc55qI/jX+FHsgXtuoBscyY5cb0AG/Lgn +5px+IEnJkVxMFldphWHWpUef0alyjP9fF7yZzvYCP2kVmHCMJYUjv4zMxo81xp2tuBOfa/GhPx+K v5ZnboXgO/vpMixp10tTn/A6NLzdGeK8e5OYy3r7gHBXEuWst1NacrS02ZQA1rBWOiL+LKvznFiku LeNb1YqJXu8IWlwkiTN6stG4k6LipvAZA7kVOk9ejpuobc6PwKkTRlt5PoA7Qiit1TJ9rsHLfUXJy /2G/Sxcg==; Received: from [50.53.43.113] (helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1veiM1-00000003lbk-3qMR; Sat, 10 Jan 2026 23:26:45 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , Greg Kroah-Hartman , Jiri Slaby , Geert Uytterhoeven , linux-serial@vger.kernel.org Subject: [PATCH 4/4 v2] serial: SH_SCI: improve "DMA support" prompt Date: Sat, 10 Jan 2026 15:26:43 -0800 Message-ID: <20260110232643.3533351-5-rdunlap@infradead.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260110232643.3533351-1-rdunlap@infradead.org> References: <20260110232643.3533351-1-rdunlap@infradead.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" Having a prompt of "DMA support" suddenly appear during a "make oldconfig" can be confusing. Add a little helpful text to the prompt message. Fixes: 73a19e4c0301 ("serial: sh-sci: Add DMA support.") Signed-off-by: Randy Dunlap Reviewed-by: Geert Uytterhoeven --- v2: make the prompt more like the other SH_SCI prompts (Geert) Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Geert Uytterhoeven Cc: linux-serial@vger.kernel.org drivers/tty/serial/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-next-20260109.orig/drivers/tty/serial/Kconfig +++ linux-next-20260109/drivers/tty/serial/Kconfig @@ -671,7 +671,7 @@ config SERIAL_SH_SCI_EARLYCON default ARCH_RENESAS =20 config SERIAL_SH_SCI_DMA - bool "DMA support" if EXPERT + bool "Support for DMA on SuperH SCI(F)" if EXPERT depends on SERIAL_SH_SCI && DMA_ENGINE default ARCH_RENESAS