Message ID | 20240304123035.758700-3-andriy.shevchenko@linux.intel.com |
---|---|
State | Handled Elsewhere, archived |
Headers | show
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Mon, 4 Mar 2024 23:30:52 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709555452; x=1741091452; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=IPNtP2dbEC5nwNRrbZdk3a6zN5igpayNS2XgmKDfk4s=; b=IZsgqaa0sGqahXb9ujLIWc2A3oBp+BWh2tZd3cWcnNWAPZZjvT9kXw5D dqnOgQsMJBMav8gjGFJ1Befj/chjqbiQziZHzcXvV6Dw68qqKGlkMVBwY JcLlUazLtYEEe9wKmCjLYEO4PJ1RXy75m6bGwL/F97rbSp0IpCqy9zxix BSoi3RyZc20fUyeQemRU9H0qUTr5W2hqZTgi8dmuEjILDfk98jRlcaimD gF0sUOCzoi9AY0LDLHQNfoZ0P8nJI6NP0oXRYxgyrC2mGJXFkpT25br1Q aGfl1BnHqWNSlIS7wKklTAzJ7D+7C7kjcWPdpY+zrGg2IHu7xXu4Mpc0p Q==; X-IronPort-AV: E=McAfee;i="6600,9927,11002"; a="7815053" X-IronPort-AV: E=Sophos;i="6.06,203,1705392000"; d="scan'208";a="7815053" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2024 04:30:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,11002"; a="937040422" X-IronPort-AV: E=Sophos;i="6.06,203,1705392000"; d="scan'208";a="937040422" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Mar 2024 04:30:38 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 4975231F; Mon, 4 Mar 2024 14:30:37 +0200 (EET) From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Florian Fainelli <florian.fainelli@broadcom.com>, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-rpi-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v3 02/14] serial: core: Add UPIO_UNKNOWN constant for unknown port type Date: Mon, 4 Mar 2024 14:27:03 +0200 Message-ID: <20240304123035.758700-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20240304123035.758700-1-andriy.shevchenko@linux.intel.com> References: <20240304123035.758700-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development <linux-aspeed.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linux-aspeed>, <mailto:linux-aspeed-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linux-aspeed/> List-Post: <mailto:linux-aspeed@lists.ozlabs.org> List-Help: <mailto:linux-aspeed-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linux-aspeed>, <mailto:linux-aspeed-request@lists.ozlabs.org?subject=subscribe> Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>, Scott Branden <sbranden@broadcom.com>, Ray Jui <rjui@broadcom.com>, Al Cooper <alcooperx@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Vladimir Zapolskiy <vz@mleia.com>, Paul Cercueil <paul@crapouillou.net>, Thierry Reding <thierry.reding@gmail.com>, Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>, =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>, Andrew Jeffery <andrew@codeconstruct.com.au>, Jiri Slaby <jirislaby@kernel.org>, Masami Hiramatsu <mhiramat@kernel.org> Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" <linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
serial: Add a helper to parse device properties and more
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expand
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diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 2d2ec99eca93..c2cf9484014c 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -470,6 +470,7 @@ struct uart_port { unsigned char iotype; /* io access style */ +#define UPIO_UNKNOWN ((unsigned char)~0U) /* UCHAR_MAX */ #define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */ #define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */ #define UPIO_MEM (SERIAL_IO_MEM) /* driver-specific */
In some APIs we would like to assign the special value to iotype and compare against it in another places. Introduce UPIO_UNKNOWN for this purpose. Note, we can't use 0, because it's a valid value for IO port access. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- include/linux/serial_core.h | 1 + 1 file changed, 1 insertion(+)