diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/000-4.8-11-serial-bcm63xx_uart-use-correct-alias-naming.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/000-4.8-11-serial-bcm63xx_uart-use-correct-alias-naming.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/000-4.8-11-serial-bcm63xx_uart-use-correct-alias-naming.patch b/target/linux/brcm63xx/patches-4.4/000-4.8-11-serial-bcm63xx_uart-use-correct-alias-naming.patch new file mode 100644 index 0000000000..9f4e21aab5 --- /dev/null +++ b/target/linux/brcm63xx/patches-4.4/000-4.8-11-serial-bcm63xx_uart-use-correct-alias-naming.patch @@ -0,0 +1,37 @@ +From a59388668d0ce19dadea909e09f4eb905a27b1ce Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Wed, 8 Jun 2016 12:08:43 +0200 +Subject: [PATCH] serial/bcm63xx_uart: use correct alias naming + +The bcm63xx_uart driver uses the of alias for determing its id. Recent +changes in dts files changed the expected 'uartX' to the recommended +'serialX', breaking serial output. Fix this by checking for a 'serialX' +alias as well. + +Fixes: e3b992d028f8 ("MIPS: BMIPS: Improve BCM6328 device tree") +Fixes: 2d52ee82b475 ("MIPS: BMIPS: Improve BCM6368 device tree") +Fixes: 7537d273e2f3 ("MIPS: BMIPS: Add device tree example for BCM6358") +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/tty/serial/bcm63xx_uart.c | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +--- a/drivers/tty/serial/bcm63xx_uart.c ++++ b/drivers/tty/serial/bcm63xx_uart.c +@@ -813,8 +813,12 @@ static int bcm_uart_probe(struct platfor + struct clk *clk; + int ret; + +- if (pdev->dev.of_node) +- pdev->id = of_alias_get_id(pdev->dev.of_node, "uart"); ++ if (pdev->dev.of_node) { ++ pdev->id = of_alias_get_id(pdev->dev.of_node, "serial"); ++ ++ if (pdev->id < 0) ++ pdev->id = of_alias_get_id(pdev->dev.of_node, "uart"); ++ } + + if (pdev->id < 0 || pdev->id >= BCM63XX_NR_UARTS) + return -EINVAL; |