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rk_serial: covert dsb() to dsb(sy)

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Huang, Tao
2014-12-10 19:30:04 +08:00
parent a8103f7564
commit 5fd886fa30
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/rk_serial.c
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@@ -327,7 +327,7 @@ static inline void serial_out(struct uart_rk_port *up, int offset, unsigned char
dwapb_save_out_value(up, offset, value);
__raw_writel(value, up->port.membase + (offset << 2));
if (offset != UART_TX)
dsb();
dsb(sy);
dwapb_check_clear_ier(up, offset);
}