[PATCHv4 3/4] OMAP2: Serial: remove magic numbers for MDR1 reg
Emeltchenko Andrei <[email protected]>
| Newsgroups | gmane.linux.ports.arm.omap,gmane.linux.kernel,gmane.linux.ports.arm.general,gmane.linux.serial |
|---|---|
| Message-ID | <1289567043-6213-4-git-send-email-Andrei.Emeltchenko.news@gmail.com> |
From: Andrei Emeltchenko <[email protected]> Change magic number to ones defined in serial_reg for omap2 serial driver Signed-off-by: Andrei Emeltchenko <[email protected]> --- 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-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html