Commit c5237f99 authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

xilinx uart fix

parent fde00c6e

recipes-kernel/linux/linux-xlnx/xilinx_uartps.c.patch

0 → 100644
+13 −0
Original line number Diff line number Diff line 
diff -Naur a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c

--- a/drivers/tty/serial/xilinx_uartps.c	2016-02-19 13:41:58.380680377 -0700

+++ b/drivers/tty/serial/xilinx_uartps.c	2016-02-19 13:47:50.776674338 -0700

@@ -704,6 +704,9 @@

 	ctrl_reg |= CDNS_UART_CR_TXRST | CDNS_UART_CR_RXRST;

 	cdns_uart_writel(ctrl_reg, CDNS_UART_CR_OFFSET);

 

+	while (cdns_uart_readl(CDNS_UART_CR_OFFSET) &

+			(CDNS_UART_CR_TXRST | CDNS_UART_CR_RXRST))

+		cpu_relax();

 	/*

 	 * Clear the RX disable and TX disable bits and then set the TX enable

 	 * bit and RX enable bit to enable the transmitter and receiver.

recipes-kernel/linux/linux-xlnx_4.0.bbappend

+1 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/config:" 


SRC_URI_append += " file://xilinx_nandps_elphel393.patch"

SRC_URI_append += " file://xilinx_emacps.c.patch"

SRC_URI_append += " file://xilinx_uartps.c.patch"

SRC_URI_append += " file://si5338_vsc330x.patch"

SRC_URI_append += " file://drivers-elphel.patch"