kernel: bump 5.4 to 5.4.28

Changelog since 5.4.24 mentions CVE-2019-19769, CVE-2020-8648,
CVE-2020-8649 and CVE-2020-8647.

Removed upstreamed:

 generic: 507-v5.6-iio-chemical-sps30-fix-missing-triggered-buffer-depe.patch
 generic: 600-ipv6-addrconf-call-ipv6_mc_up-for-non-Ethernet-inter.patch
 bcm27xx: 950-0435-ASoC-pcm512x-Fix-unbalanced-regulator-enable-call-in.patch
 ipq806x: 701-stmmac-fix-notifier-registration.patch
 lantiq: 002-pinctrl-falcon-fix-syntax-error.patch
 octeontx: 0002-net-thunderx-workaround-BGX-TX-Underflow-issue.patch

Run tested: apu2, qemu-x86-64, apalis, a64-olinuxino, nbg6617
Build tested: sunxi/a53, imx6, x86/64, ipq40xx

Tested-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> [apu2]
Signed-off-by: Petr Štetiar <ynezz@true.cz>

2 files changed, 16 insertions, 16 deletions

diff --git a/target/linux/ath79/patches-5.4/0060-serial-ar933x_uart-set-UART_CS_-RX-TX-_READY_ORIDE.patch b/target/linux/ath79/patches-5.4/0060-serial-ar933x_uart-set-UART_CS_-RX-TX-_READY_ORIDE.patch
index 485aadcbbd..30828d693c 100644
--- a/target/linux/ath79/patches-5.4/0060-serial-ar933x_uart-set-UART_CS_-RX-TX-_READY_ORIDE.patch
+++ b/target/linux/ath79/patches-5.4/0060-serial-ar933x_uart-set-UART_CS_-RX-TX-_READY_ORIDE.patch
@@ -40,9 +40,9 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
 
 --- a/drivers/tty/serial/ar933x_uart.c
 +++ b/drivers/tty/serial/ar933x_uart.c
-@@ -286,6 +286,10 @@ static void ar933x_uart_set_termios(stru
+@@ -290,6 +290,10 @@ static void ar933x_uart_set_termios(stru
  	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
- 			    AR933X_UART_CS_HOST_INT_EN);
+ 		AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
  
 +	/* enable RX and TX ready overide */
 +	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
@@ -51,14 +51,14 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  	/* reenable the UART */
  	ar933x_uart_rmw(up, AR933X_UART_CS_REG,
  			AR933X_UART_CS_IF_MODE_M << AR933X_UART_CS_IF_MODE_S,
-@@ -418,6 +422,10 @@ static int ar933x_uart_startup(struct ua
- 	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
- 			    AR933X_UART_CS_HOST_INT_EN);
+@@ -424,6 +428,10 @@ static int ar933x_uart_startup(struct ua
  
-+	/* enable RX and TX ready overide */
-+	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
+ 	/* enable RX and TX ready overide */
+ 	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
 +		AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
 +
++	/* enable RX and TX ready overide */
++	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
+ 		AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
+ 
  	/* Enable RX interrupts */
- 	up->ier = AR933X_UART_INT_RX_VALID;
- 	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
diff --git a/target/linux/ath79/patches-5.4/0061-tty-serial-ar933x-uart-rs485-gpio.patch b/target/linux/ath79/patches-5.4/0061-tty-serial-ar933x-uart-rs485-gpio.patch
index 54811eb4c1..e27c0854f5 100644
--- a/target/linux/ath79/patches-5.4/0061-tty-serial-ar933x-uart-rs485-gpio.patch
+++ b/target/linux/ath79/patches-5.4/0061-tty-serial-ar933x-uart-rs485-gpio.patch
@@ -160,7 +160,7 @@ v2: use bool to indicate ongoing half-duplex send, use it afterwards
  }
  
  static void ar933x_uart_break_ctl(struct uart_port *port, int break_state)
-@@ -336,11 +393,20 @@ static void ar933x_uart_rx_chars(struct
+@@ -340,11 +397,20 @@ static void ar933x_uart_rx_chars(struct
  static void ar933x_uart_tx_chars(struct ar933x_uart_port *up)
  {
  	struct circ_buf *xmit = &up->port.state->xmit;
@@ -181,7 +181,7 @@ v2: use bool to indicate ongoing half-duplex send, use it afterwards
  	count = up->port.fifosize;
  	do {
  		unsigned int rdata;
-@@ -368,8 +434,14 @@ static void ar933x_uart_tx_chars(struct
+@@ -372,8 +438,14 @@ static void ar933x_uart_tx_chars(struct
  	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
  		uart_write_wakeup(&up->port);
  
@@ -197,7 +197,7 @@ v2: use bool to indicate ongoing half-duplex send, use it afterwards
  }
  
  static irqreturn_t ar933x_uart_interrupt(int irq, void *dev_id)
-@@ -427,8 +499,7 @@ static int ar933x_uart_startup(struct ua
+@@ -435,8 +507,7 @@ static int ar933x_uart_startup(struct ua
  		AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
  
  	/* Enable RX interrupts */
@@ -207,7 +207,7 @@ v2: use bool to indicate ongoing half-duplex send, use it afterwards
  
  	spin_unlock_irqrestore(&up->port.lock, flags);
  
-@@ -511,6 +582,21 @@ static const struct uart_ops ar933x_uart
+@@ -519,6 +590,21 @@ static const struct uart_ops ar933x_uart
  	.verify_port	= ar933x_uart_verify_port,
  };
  
@@ -229,7 +229,7 @@ v2: use bool to indicate ongoing half-duplex send, use it afterwards
  #ifdef CONFIG_SERIAL_AR933X_CONSOLE
  static struct ar933x_uart_port *
  ar933x_console_ports[CONFIG_SERIAL_AR933X_NR_UARTS];
-@@ -680,6 +766,8 @@ static int ar933x_uart_probe(struct plat
+@@ -688,6 +774,8 @@ static int ar933x_uart_probe(struct plat
  		goto err_disable_clk;
  	}
  
@@ -238,7 +238,7 @@ v2: use bool to indicate ongoing half-duplex send, use it afterwards
  	port->mapbase = mem_res->start;
  	port->line = id;
  	port->irq = irq_res->start;
-@@ -690,6 +778,7 @@ static int ar933x_uart_probe(struct plat
+@@ -698,6 +786,7 @@ static int ar933x_uart_probe(struct plat
  	port->regshift = 2;
  	port->fifosize = AR933X_UART_FIFO_SIZE;
  	port->ops = &ar933x_uart_ops;
@@ -246,7 +246,7 @@ v2: use bool to indicate ongoing half-duplex send, use it afterwards
  
  	baud = ar933x_uart_get_baud(port->uartclk, AR933X_UART_MAX_SCALE, 1);
  	up->min_baud = max_t(unsigned int, baud, AR933X_UART_MIN_BAUD);
-@@ -697,6 +786,18 @@ static int ar933x_uart_probe(struct plat
+@@ -705,6 +794,18 @@ static int ar933x_uart_probe(struct plat
  	baud = ar933x_uart_get_baud(port->uartclk, 0, AR933X_UART_MAX_STEP);
  	up->max_baud = min_t(unsigned int, baud, AR933X_UART_MAX_BAUD);