Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756574Ab0KLJXt (ORCPT ); Fri, 12 Nov 2010 04:23:49 -0500 Received: from smtp.nokia.com ([147.243.1.48]:63782 "EHLO mgw-sa02.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755954Ab0KLJXc (ORCPT ); Fri, 12 Nov 2010 04:23:32 -0500 From: Emeltchenko Andrei To: linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCHv3 3/4] OMAP2: Serial: remobe magic from MDR1 register Date: Fri, 12 Nov 2010 11:21:41 +0200 Message-Id: <1289553702-28041-4-git-send-email-Andrei.Emeltchenko.news@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1289553702-28041-1-git-send-email-Andrei.Emeltchenko.news@gmail.com> References: <1289553702-28041-1-git-send-email-Andrei.Emeltchenko.news@gmail.com> X-Nokia-AV: Clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2457 Lines: 63 From: Andrei Emeltchenko Change magic number to ones defined in serial_reg for omap2 serial driver Signed-off-by: Andrei Emeltchenko --- arch/arm/mach-omap2/serial.c | 15 +++++++++------ 1 files changed, 9 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index becf0e3..edd7c99 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -168,9 +168,9 @@ static inline void serial_write_reg(struct omap_uart_state *uart, int offset, static inline void __init omap_uart_reset(struct omap_uart_state *uart) { - serial_write_reg(uart, UART_OMAP_MDR1, 0x07); + serial_write_reg(uart, UART_OMAP_MDR1, UART_OMAP_MDR1_DISABLE); serial_write_reg(uart, UART_OMAP_SCR, 0x08); - serial_write_reg(uart, UART_OMAP_MDR1, 0x00); + serial_write_reg(uart, UART_OMAP_MDR1, UART_OMAP_MDR1_16X_MODE); } #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) @@ -246,9 +246,10 @@ static void omap_uart_restore_context(struct omap_uart_state *uart) uart->context_valid = 0; if (uart->errata & UART_ERRATA_i202_MDR1_ACCESS) - omap_uart_mdr1_errataset(uart, 0x07, 0xA0); + omap_uart_mdr1_errataset(uart, UART_OMAP_MDR1_DISABLE, 0xA0); else - serial_write_reg(uart, UART_OMAP_MDR1, 0x7); + serial_write_reg(uart, UART_OMAP_MDR1, UART_OMAP_MDR1_DISABLE); + serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */ efr = serial_read_reg(uart, UART_EFR); serial_write_reg(uart, UART_EFR, UART_EFR_ECB); @@ -267,11 +268,13 @@ static void omap_uart_restore_context(struct omap_uart_state *uart) serial_write_reg(uart, UART_OMAP_SCR, uart->scr); serial_write_reg(uart, UART_OMAP_WER, uart->wer); serial_write_reg(uart, UART_OMAP_SYSC, uart->sysc); + if (uart->errata & UART_ERRATA_i202_MDR1_ACCESS) - omap_uart_mdr1_errataset(uart, 0x00, 0xA1); + omap_uart_mdr1_errataset(uart, UART_OMAP_MDR1_16X_MODE, 0xA1); else /* UART 16x mode */ - serial_write_reg(uart, UART_OMAP_MDR1, 0x00); + serial_write_reg(uart, UART_OMAP_MDR1, + UART_OMAP_MDR1_16X_MODE); } #else static inline void omap_uart_save_context(struct omap_uart_state *uart) {} -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/