From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48meGDV2W8sNJXMxbiOS7nfhXZJ5Fk7XkoFEVPzf77y62oMdpHNMKIwn7DSOAw7D4A5MHNc ARC-Seal: i=1; a=rsa-sha256; t=1524505600; cv=none; d=google.com; s=arc-20160816; b=QufWa1TaUgI1ZECddm8Rgm42irP21NQ46mgtUSBuqQBk0ZbPG9hQuiKoWjbw7NdSPp UDmbeZB4EP4Geb2kBNRYGkcy/lweszGOoYBuXiiWQY9Eg7c7KcmHkqcWa/oBbNJinZKK 8D0hLTrnpTOfk1ZIL9UmCtuJklJdeXq4nKJUh3kVkJS3dXhjaz6CmB/C3VE60/pHcpDo dlrJxnofxLeGGSfoSaqdZ6Tw7nl7LZmaN1bmgbesyG9NRmncyxdRe7Sf+Yaq6S5LmQO6 hzHfQQIjwmKRT+gTcnxsZ11oZ6mOZ6AxoWWjh6FCJMbNQRpwRuyGcemXhFPH4hZS9dUg LGIA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=HEeKv8+CxP9hUgc1ZW8zYoJy3sJcY1TK5WDl/T0nEQE=; b=1JPHxBlIlYwAdoRNH7HGfeZJ7fUsvGGcq4xe8JiI6WEZeX+55qQIv1dXokv1HnK17m N0qp/TI03M9zX6F7i+eJLCCwUZD+ENRCI9Fc3PeK4u5K607xzA+Hm39qgDgI9SqjufiQ m0Ee+FhjYy1c27bYi++hSS1L0LSCMVzWjVJP3JiMrLx53FQjPwAdA5Dxc/dmnEpx2rEp j0WFRKF80WdV6YgiaRGhtfvrWZ1vh8AdJFNsLh5eDo2Yob2zplTb6ljYr3DwAmD4vo5G LK6q0L8DkMFhYtXmGrmMBow2JZemygH9+G6WNcRr3M+BEfWhmz15Vu1ycHu0ZndBqPpO qycg== ARC-Authentication-Results: i=1; mx.google.com; spf=neutral (google.com: 72.249.23.125 is neither permitted nor denied by best guess record for domain of tony@atomide.com) smtp.mailfrom=tony@atomide.com Authentication-Results: mx.google.com; spf=neutral (google.com: 72.249.23.125 is neither permitted nor denied by best guess record for domain of tony@atomide.com) smtp.mailfrom=tony@atomide.com From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: Dave Gerlach , Greg Kroah-Hartman , Nishanth Menon , Suman Anna , Tero Kristo , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 14/16] bus: ti-sysc: Detect UARTs for SYSC_QUIRK_LEGACY_IDLE quirk on omap4 Date: Mon, 23 Apr 2018 10:45:47 -0700 Message-Id: <20180423174549.57412-15-tony@atomide.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180423174549.57412-1-tony@atomide.com> References: <20180423174549.57412-1-tony@atomide.com> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1598559984232228924?= X-GMAIL-MSGID: =?utf-8?q?1598559984232228924?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Starting with omap4, UARTs have different revision register that we need to detect to enable SYSC_QUIRK_LEGACY_IDLE. Otherwise UARTs won't idle properly. Signed-off-by: Tony Lindgren --- drivers/bus/ti-sysc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -880,6 +880,9 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK_LEGACY_IDLE), SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x00000052, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), + /* Uarts on omap4 and later */ + SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x50411e03, 0xffffffff, + SYSC_QUIRK_LEGACY_IDLE), }; static void sysc_init_revision_quirks(struct sysc *ddata) -- 2.17.0