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Commit b7a52a78 authored by davidcunado-arm's avatar davidcunado-arm Committed by GitHub
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Merge pull request #900 from vwadekar/ti-uart-bug-fix 

drivers: ti: uart: remove UART_FCR read-modify-write
parents ec54a871 8178ea7c
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drivers/ti/uart/aarch64/16550_console.S
View file @ b7a52a78
...@@ -115,9 +115,6 @@ func console_core_putc ...@@ -115,9 +115,6 @@ func console_core_putc
b.ne 1b b.ne 1b
mov w2, #0xD /* '\r' */ mov w2, #0xD /* '\r' */
str w2, [x1, #UARTTX] str w2, [x1, #UARTTX]
ldr w2, [x1, #UARTFCR]
orr w2, w2, #UARTFCR_TXCLR
str w2, [x1, #UARTFCR]
/* Check if the transmit FIFO is full */ /* Check if the transmit FIFO is full */
2: ldr w2, [x1, #UARTLSR] 2: ldr w2, [x1, #UARTLSR]
...@@ -125,9 +122,6 @@ func console_core_putc ...@@ -125,9 +122,6 @@ func console_core_putc
cmp w2, #(UARTLSR_TEMT | UARTLSR_THRE) cmp w2, #(UARTLSR_TEMT | UARTLSR_THRE)
b.ne 2b b.ne 2b
str w0, [x1, #UARTTX] str w0, [x1, #UARTTX]
ldr w2, [x1, #UARTFCR]
orr w2, w2, #UARTFCR_TXCLR
str w2, [x1, #UARTFCR]
ret ret
putc_error: putc_error:
mov w0, #-1 mov w0, #-1
......
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