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| author | Jayachandran C <jayachandranc@netlogicmicro.com> | 2012-07-16 15:33:37 +0530 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-07-24 18:24:44 +0200 |
| commit | 7e6507ad76a212b961d2392d22a9610be9e4e053 (patch) | |
| tree | 072c293043a8d07ac92cfac238bb9d7ccd0133f9 /arch/mips | |
| parent | 93a029325979c4baa4cb03286e628b802614b5cb (diff) | |
| download | blackbird-op-linux-7e6507ad76a212b961d2392d22a9610be9e4e053.tar.gz blackbird-op-linux-7e6507ad76a212b961d2392d22a9610be9e4e053.zip | |
MIPS: Netlogic: early console fix
In prom_putchar(), wait for just the TX empty bit to clear in the
UART LSR.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Cc: linux-mips@linux-mips.org
Cc: Florian Fainelli <florian@openwrt.org>
Patchwork: https://patchwork.linux-mips.org/patch/4112/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/netlogic/common/earlycons.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/netlogic/common/earlycons.c b/arch/mips/netlogic/common/earlycons.c index f193f7b3bd81..1902fa22d277 100644 --- a/arch/mips/netlogic/common/earlycons.c +++ b/arch/mips/netlogic/common/earlycons.c @@ -54,7 +54,7 @@ void prom_putchar(char c) #elif defined(CONFIG_CPU_XLR) uartbase = nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET); #endif - while (nlm_read_reg(uartbase, UART_LSR) == 0) + while ((nlm_read_reg(uartbase, UART_LSR) & UART_LSR_THRE) == 0) ; nlm_write_reg(uartbase, UART_TX, c); } |
