diff options
Diffstat (limited to 'arch/arm/mach-s3c64xx/include/mach/pm-core.h')
| -rw-r--r-- | arch/arm/mach-s3c64xx/include/mach/pm-core.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h index 1c7d179a86f3..33cf242734a0 100644 --- a/arch/arm/mach-s3c64xx/include/mach/pm-core.h +++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h @@ -65,48 +65,6 @@ static inline void s3c_pm_arch_show_resume_irqs(void) #define s3c_irqwake_intallow 0 #endif -static inline void s3c_pm_arch_update_uart(void __iomem *regs, - struct pm_uart_save *save) -{ - u32 ucon = __raw_readl(regs + S3C2410_UCON); - u32 ucon_clk = ucon & S3C6400_UCON_CLKMASK; - u32 save_clk = save->ucon & S3C6400_UCON_CLKMASK; - u32 new_ucon; - u32 delta; - - /* S3C64XX UART blocks only support level interrupts, so ensure that - * when we restore unused UART blocks we force the level interrupt - * settigs. */ - save->ucon |= S3C2410_UCON_TXILEVEL | S3C2410_UCON_RXILEVEL; - - /* We have a constraint on changing the clock type of the UART - * between UCLKx and PCLK, so ensure that when we restore UCON - * that the CLK field is correctly modified if the bootloader - * has changed anything. - */ - if (ucon_clk != save_clk) { - new_ucon = save->ucon; - delta = ucon_clk ^ save_clk; - - /* change from UCLKx => wrong PCLK, - * either UCLK can be tested for by a bit-test - * with UCLK0 */ - if (ucon_clk & S3C6400_UCON_UCLK0 && - !(save_clk & S3C6400_UCON_UCLK0) && - delta & S3C6400_UCON_PCLK2) { - new_ucon &= ~S3C6400_UCON_UCLK0; - } else if (delta == S3C6400_UCON_PCLK2) { - /* as an precaution, don't change from - * PCLK2 => PCLK or vice-versa */ - new_ucon ^= S3C6400_UCON_PCLK2; - } - - S3C_PMDBG("ucon change %04x => %04x (save=%04x)\n", - ucon, new_ucon, save->ucon); - save->ucon = new_ucon; - } -} - static inline void s3c_pm_restored_gpios(void) { /* ensure sleep mode has been cleared from the system */ |