andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge pull request #900 from vwadekar/ti-uart-bug-fix 

drivers: ti: uart: remove UART_FCR read-modify-write
This commit is contained in:
davidcunado-arm 2017-04-26 11:27:16 +01:00 committed by GitHub
parent ec54a87184 8178ea7cb1
commit b7a52a786c
1 changed files with 0 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/ti/uart/aarch64/16550_console.S
View File

@ -115,9 +115,6 @@ func console_core_putc
b.ne 1b
mov w2, #0xD /* '\r' */
str w2, [x1, #UARTTX]
ldr w2, [x1, #UARTFCR]
orr w2, w2, #UARTFCR_TXCLR
str w2, [x1, #UARTFCR]
/* Check if the transmit FIFO is full */
2: ldr w2, [x1, #UARTLSR]
@ -125,9 +122,6 @@ func console_core_putc
cmp w2, #(UARTLSR_TEMT | UARTLSR_THRE)
b.ne 2b
str w0, [x1, #UARTTX]
ldr w2, [x1, #UARTFCR]
orr w2, w2, #UARTFCR_TXCLR
str w2, [x1, #UARTFCR]
ret
putc_error:
mov w0, #-1