diff options
Diffstat (limited to 'arch/arm/mach-tegra/init_common.c')
| -rw-r--r-- | arch/arm/mach-tegra/init_common.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/arm/mach-tegra/init_common.c b/arch/arm/mach-tegra/init_common.c index 33c13b035a13..fa87882fc45e 100644 --- a/arch/arm/mach-tegra/init_common.c +++ b/arch/arm/mach-tegra/init_common.c @@ -377,7 +377,7 @@ static void __init tegra_register_i2c(void) } #endif -#if !defined(CONFIG_SERIAL_TEGRA_DDK) +#if !(defined(CONFIG_SERIAL_TEGRA_DDK) || defined(CONFIG_SERIAL_TEGRA)) #define tegra_register_uart() do {} while (0) #else @@ -390,11 +390,16 @@ void __init tegra_register_uart(void) NvU32 i; NvOdmDebugConsole Console; NvU32 Port = ~0; + const NvU32 *pPinMuxes; + NvU32 NumPinMuxes; + NvU32 Cnt = 0; Console = NvOdmQueryDebugConsole(); NumberOfUarts = NvRmModuleGetNumInstances(s_hRmGlobal, NvRmModuleID_Uart); + NvOdmQueryPinMux(NvOdmIoModule_Uart, &pPinMuxes, &NumPinMuxes); + /* Skip the UART port used as a debug console */ if (((NvU32)Console >= (NvU32)NvOdmDebugConsole_UartA) && ((NvU32)Console <= (NvU32)NvOdmDebugConsole_UartE)) @@ -402,12 +407,12 @@ void __init tegra_register_uart(void) Port = (NvU32)(Console - NvOdmDebugConsole_UartA); } - for (i=0; i< NumberOfUarts ; i++) + for (i=0; i<NumberOfUarts && i<NumPinMuxes; i++) { - if (i == Port) + if (i==Port || !pPinMuxes[i]) continue; - pDev = platform_device_alloc("tegra_uart", i); + pDev = platform_device_alloc("tegra_uart", Cnt++); if (!pDev) goto fail; if (platform_device_add(pDev)) |