ixp4xx: Drop linux 4.1 support

Signed-off-by: Ted Hess <thess@kitschensync.net>

1 files changed, 0 insertions, 131 deletions

diff --git a/target/linux/ixp4xx/patches-4.1/160-delayed_uart_io.patch b/target/linux/ixp4xx/patches-4.1/160-delayed_uart_io.patch
deleted file mode 100644
index 9dc184bf2c..0000000000
--- a/target/linux/ixp4xx/patches-4.1/160-delayed_uart_io.patch
+++ /dev/null
@@ -1,131 +0,0 @@
---- a/drivers/tty/serial/8250/8250_core.c
-+++ b/drivers/tty/serial/8250/8250_core.c
-@@ -446,6 +446,20 @@ static void mem_serial_out(struct uart_p
- 	writeb(value, p->membase + offset);
- }
- 
-+static unsigned int memdelay_serial_in(struct uart_port *p, int offset)
-+{
-+	struct uart_8250_port *up = (struct uart_8250_port *)p;
-+	udelay(up->port.rw_delay);
-+	return mem_serial_in(p, offset);
-+}
-+
-+static void memdelay_serial_out(struct uart_port *p, int offset, int value)
-+{
-+	struct uart_8250_port *up = (struct uart_8250_port *)p;
-+	udelay(up->port.rw_delay);
-+	mem_serial_out(p, offset, value);
-+}
-+
- static void mem32_serial_out(struct uart_port *p, int offset, int value)
- {
- 	offset = offset << p->regshift;
-@@ -513,6 +527,11 @@ static void set_io_from_upio(struct uart
- 		p->serial_out = mem32be_serial_out;
- 		break;
- 
-+	case UPIO_MEM_DELAY:
-+		p->serial_in = memdelay_serial_in;
-+		p->serial_out = memdelay_serial_out;
-+		break;
-+
- #if defined(CONFIG_MIPS_ALCHEMY) || defined(CONFIG_SERIAL_8250_RT288X)
- 	case UPIO_AU:
- 		p->serial_in = au_serial_in;
-@@ -539,6 +558,7 @@ serial_port_out_sync(struct uart_port *p
- 	case UPIO_MEM:
- 	case UPIO_MEM32:
- 	case UPIO_MEM32BE:
-+	case UPIO_MEM_DELAY:
- 	case UPIO_AU:
- 		p->serial_out(p, offset, value);
- 		p->serial_in(p, UART_LCR);	/* safe, no side-effects */
-@@ -2776,6 +2796,7 @@ static int serial8250_request_std_resour
- 	case UPIO_MEM32:
- 	case UPIO_MEM32BE:
- 	case UPIO_MEM:
-+	case UPIO_MEM_DELAY:
- 		if (!port->mapbase)
- 			break;
- 
-@@ -2813,6 +2834,7 @@ static void serial8250_release_std_resou
- 	case UPIO_MEM32:
- 	case UPIO_MEM32BE:
- 	case UPIO_MEM:
-+	case UPIO_MEM_DELAY:
- 		if (!port->mapbase)
- 			break;
- 
-@@ -3701,6 +3723,7 @@ static int serial8250_probe(struct platf
- 		uart.port.set_termios	= p->set_termios;
- 		uart.port.pm		= p->pm;
- 		uart.port.dev		= &dev->dev;
-+		uart.port.rw_delay	= p->rw_delay;
- 		uart.port.irqflags	|= irqflag;
- 		ret = serial8250_register_8250_port(&uart);
- 		if (ret < 0) {
-@@ -3857,6 +3880,7 @@ int serial8250_register_8250_port(struct
- 		uart->bugs		= up->bugs;
- 		uart->port.mapbase      = up->port.mapbase;
- 		uart->port.mapsize      = up->port.mapsize;
-+		uart->port.rw_delay	= up->port.rw_delay;
- 		uart->port.private_data = up->port.private_data;
- 		uart->port.fifosize	= up->port.fifosize;
- 		uart->tx_loadsz		= up->tx_loadsz;
---- a/drivers/tty/serial/serial_core.c
-+++ b/drivers/tty/serial/serial_core.c
-@@ -2177,6 +2177,7 @@ uart_report_port(struct uart_driver *drv
- 		snprintf(address, sizeof(address),
- 			 "I/O 0x%lx offset 0x%x", port->iobase, port->hub6);
- 		break;
-+	case UPIO_MEM_DELAY:
- 	case UPIO_MEM:
- 	case UPIO_MEM32:
- 	case UPIO_MEM32BE:
-@@ -2824,6 +2825,7 @@ int uart_match_port(struct uart_port *po
- 	case UPIO_HUB6:
- 		return (port1->iobase == port2->iobase) &&
- 		       (port1->hub6   == port2->hub6);
-+	case UPIO_MEM_DELAY:
- 	case UPIO_MEM:
- 	case UPIO_MEM32:
- 	case UPIO_MEM32BE:
---- a/include/linux/serial_8250.h
-+++ b/include/linux/serial_8250.h
-@@ -27,6 +27,7 @@ struct plat_serial8250_port {
- 	void            *private_data;
- 	unsigned char	regshift;	/* register shift */
- 	unsigned char	iotype;		/* UPIO_* */
-+	unsigned int rw_delay;	/* udelay for slower busses IXP4XX Expansion Bus */
- 	unsigned char	hub6;
- 	upf_t		flags;		/* UPF_* flags */
- 	unsigned int	type;		/* If UPF_FIXED_TYPE */
---- a/include/linux/serial_core.h
-+++ b/include/linux/serial_core.h
-@@ -150,6 +150,7 @@ struct uart_port {
- #define UPIO_AU			(SERIAL_IO_AU)		/* Au1x00 and RT288x type IO */
- #define UPIO_TSI		(SERIAL_IO_TSI)		/* Tsi108/109 type IO */
- #define UPIO_MEM32BE		(SERIAL_IO_MEM32BE)	/* 32b big endian */
-+#define UPIO_MEM_DELAY		(SERIAL_IO_MEM_DELAY)
- 
- 	unsigned int		read_status_mask;	/* driver specific */
- 	unsigned int		ignore_status_mask;	/* driver specific */
-@@ -231,6 +232,7 @@ struct uart_port {
- 	int			hw_stopped;		/* sw-assisted CTS flow state */
- 	unsigned int		mctrl;			/* current modem ctrl settings */
- 	unsigned int		timeout;		/* character-based timeout */
-+	unsigned int		rw_delay;		/* udelay for slow busses, IXP4XX Expansion Bus */
- 	unsigned int		type;			/* port type */
- 	const struct uart_ops	*ops;
- 	unsigned int		custom_divisor;
---- a/include/uapi/linux/serial.h
-+++ b/include/uapi/linux/serial.h
-@@ -69,6 +69,7 @@ struct serial_struct {
- #define SERIAL_IO_AU	  4
- #define SERIAL_IO_TSI	  5
- #define SERIAL_IO_MEM32BE 6
-+#define SERIAL_IO_MEM_DELAY 7
- 
- #define UART_CLEAR_FIFO		0x01
- #define UART_USE_FIFO		0x02