Merge branch 'bpf/master' into for-6.12

Pull bpf/master to receive baebe9aaba1e ("bpf: allow passing struct
bpf_iter_<type> as kfunc arguments") and related changes in preparation for
the DSQ iterator patchset.

Signed-off-by: Tejun Heo <tj@kernel.org>

6 files changed, 33 insertions, 56 deletions

diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index 1af9aed99c65..afef1dd4ddf4 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -27,7 +27,6 @@
 #include <linux/pm_wakeirq.h>
 #include <linux/dma-mapping.h>
 #include <linux/sys_soc.h>
-#include <linux/pm_domain.h>
 
 #include "8250.h"
 
@@ -119,12 +118,6 @@
 #define UART_OMAP_TO_L                 0x26
 #define UART_OMAP_TO_H                 0x27
 
-/*
- * Copy of the genpd flags for the console.
- * Only used if console suspend is disabled
- */
-static unsigned int genpd_flags_console;
-
 struct omap8250_priv {
 	void __iomem *membase;
 	int line;
@@ -1655,7 +1648,6 @@ static int omap8250_suspend(struct device *dev)
 {
 	struct omap8250_priv *priv = dev_get_drvdata(dev);
 	struct uart_8250_port *up = serial8250_get_port(priv->line);
-	struct generic_pm_domain *genpd = pd_to_genpd(dev->pm_domain);
 	int err = 0;
 
 	serial8250_suspend_port(priv->line);
@@ -1666,19 +1658,8 @@ static int omap8250_suspend(struct device *dev)
 	if (!device_may_wakeup(dev))
 		priv->wer = 0;
 	serial_out(up, UART_OMAP_WER, priv->wer);
-	if (uart_console(&up->port)) {
-		if (console_suspend_enabled)
-			err = pm_runtime_force_suspend(dev);
-		else {
-			/*
-			 * The pd shall not be powered-off (no console suspend).
-			 * Make copy of genpd flags before to set it always on.
-			 * The original value is restored during the resume.
-			 */
-			genpd_flags_console = genpd->flags;
-			genpd->flags |= GENPD_FLAG_ALWAYS_ON;
-		}
-	}
+	if (uart_console(&up->port) && console_suspend_enabled)
+		err = pm_runtime_force_suspend(dev);
 	flush_work(&priv->qos_work);
 
 	return err;
@@ -1688,16 +1669,12 @@ static int omap8250_resume(struct device *dev)
 {
 	struct omap8250_priv *priv = dev_get_drvdata(dev);
 	struct uart_8250_port *up = serial8250_get_port(priv->line);
-	struct generic_pm_domain *genpd = pd_to_genpd(dev->pm_domain);
 	int err;
 
 	if (uart_console(&up->port) && console_suspend_enabled) {
-		if (console_suspend_enabled) {
-			err = pm_runtime_force_resume(dev);
-			if (err)
-				return err;
-		} else
-			genpd->flags = genpd_flags_console;
+		err = pm_runtime_force_resume(dev);
+		if (err)
+			return err;
 	}
 
 	serial8250_resume_port(priv->line);
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 0a90964d6d10..09b246c9e389 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2514,7 +2514,7 @@ static const struct uart_ops atmel_pops = {
 };
 
 static const struct serial_rs485 atmel_rs485_supported = {
-	.flags = SER_RS485_ENABLED | SER_RS485_RTS_AFTER_SEND | SER_RS485_RX_DURING_TX,
+	.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RX_DURING_TX,
 	.delay_rts_before_send = 1,
 	.delay_rts_after_send = 1,
 };
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 615291ea9b5e..77efa7ee6eda 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2923,6 +2923,7 @@ static int lpuart_probe(struct platform_device *pdev)
 	pm_runtime_set_autosuspend_delay(&pdev->dev, UART_AUTOSUSPEND_TIMEOUT);
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
+	pm_runtime_mark_last_busy(&pdev->dev);
 
 	ret = lpuart_global_reset(sport);
 	if (ret)
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index c79dcd7c8d1a..b4c1798a1df2 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -327,6 +327,7 @@ struct sc16is7xx_one {
 	struct kthread_work		reg_work;
 	struct kthread_delayed_work	ms_work;
 	struct sc16is7xx_one_config	config;
+	unsigned char			buf[SC16IS7XX_FIFO_SIZE]; /* Rx buffer. */
 	unsigned int			old_mctrl;
 	u8				old_lcr; /* Value before EFR access. */
 	bool				irda_mode;
@@ -340,7 +341,6 @@ struct sc16is7xx_port {
 	unsigned long			gpio_valid_mask;
 #endif
 	u8				mctrl_mask;
-	unsigned char			buf[SC16IS7XX_FIFO_SIZE];
 	struct kthread_worker		kworker;
 	struct task_struct		*kworker_task;
 	struct sc16is7xx_one		p[];
@@ -592,6 +592,8 @@ static int sc16is7xx_set_baud(struct uart_port *port, int baud)
 			      SC16IS7XX_MCR_CLKSEL_BIT,
 			      prescaler == 1 ? 0 : SC16IS7XX_MCR_CLKSEL_BIT);
 
+	mutex_lock(&one->efr_lock);
+
 	/* Backup LCR and access special register set (DLL/DLH) */
 	lcr = sc16is7xx_port_read(port, SC16IS7XX_LCR_REG);
 	sc16is7xx_port_write(port, SC16IS7XX_LCR_REG,
@@ -606,24 +608,26 @@ static int sc16is7xx_set_baud(struct uart_port *port, int baud)
 	/* Restore LCR and access to general register set */
 	sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, lcr);
 
+	mutex_unlock(&one->efr_lock);
+
 	return DIV_ROUND_CLOSEST((clk / prescaler) / 16, div);
 }
 
 static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen,
 				unsigned int iir)
 {
-	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);
+	struct sc16is7xx_one *one = to_sc16is7xx_one(port, port);
 	unsigned int lsr = 0, bytes_read, i;
 	bool read_lsr = (iir == SC16IS7XX_IIR_RLSE_SRC) ? true : false;
 	u8 ch, flag;
 
-	if (unlikely(rxlen >= sizeof(s->buf))) {
+	if (unlikely(rxlen >= sizeof(one->buf))) {
 		dev_warn_ratelimited(port->dev,
 				     "ttySC%i: Possible RX FIFO overrun: %d\n",
 				     port->line, rxlen);
 		port->icount.buf_overrun++;
 		/* Ensure sanity of RX level */
-		rxlen = sizeof(s->buf);
+		rxlen = sizeof(one->buf);
 	}
 
 	while (rxlen) {
@@ -636,10 +640,10 @@ static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen,
 			lsr = 0;
 
 		if (read_lsr) {
-			s->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG);
+			one->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG);
 			bytes_read = 1;
 		} else {
-			sc16is7xx_fifo_read(port, s->buf, rxlen);
+			sc16is7xx_fifo_read(port, one->buf, rxlen);
 			bytes_read = rxlen;
 		}
 
@@ -672,7 +676,7 @@ static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen,
 		}
 
 		for (i = 0; i < bytes_read; ++i) {
-			ch = s->buf[i];
+			ch = one->buf[i];
 			if (uart_handle_sysrq_char(port, ch))
 				continue;
 
@@ -690,10 +694,10 @@ static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen,
 
 static void sc16is7xx_handle_tx(struct uart_port *port)
 {
-	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);
 	struct tty_port *tport = &port->state->port;
 	unsigned long flags;
 	unsigned int txlen;
+	unsigned char *tail;
 
 	if (unlikely(port->x_char)) {
 		sc16is7xx_port_write(port, SC16IS7XX_THR_REG, port->x_char);
@@ -718,8 +722,9 @@ static void sc16is7xx_handle_tx(struct uart_port *port)
 		txlen = 0;
 	}
 
-	txlen = uart_fifo_out(port, s->buf, txlen);
-	sc16is7xx_fifo_write(port, s->buf, txlen);
+	txlen = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, txlen);
+	sc16is7xx_fifo_write(port, tail, txlen);
+	uart_xmit_advance(port, txlen);
 
 	uart_port_lock_irqsave(port, &flags);
 	if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 9a18d0b95a41..5bea3af46abc 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -881,6 +881,14 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port,
 	new_flags = (__force upf_t)new_info->flags;
 	old_custom_divisor = uport->custom_divisor;
 
+	if (!(uport->flags & UPF_FIXED_PORT)) {
+		unsigned int uartclk = new_info->baud_base * 16;
+		/* check needs to be done here before other settings made */
+		if (uartclk == 0) {
+			retval = -EINVAL;
+			goto exit;
+		}
+	}
 	if (!capable(CAP_SYS_ADMIN)) {
 		retval = -EPERM;
 		if (change_irq || change_port ||
diff --git a/drivers/tty/vt/conmakehash.c b/drivers/tty/vt/conmakehash.c
index dc2177fec715..a931fcde7ad9 100644
--- a/drivers/tty/vt/conmakehash.c
+++ b/drivers/tty/vt/conmakehash.c
@@ -76,8 +76,7 @@ static void addpair(int fp, int un)
 int main(int argc, char *argv[])
 {
   FILE *ctbl;
-  const char *tblname, *rel_tblname;
-  const char *abs_srctree;
+  const char *tblname;
   char buffer[65536];
   int fontlen;
   int i, nuni, nent;
@@ -102,16 +101,6 @@ int main(int argc, char *argv[])
 	}
     }
 
-  abs_srctree = getenv("abs_srctree");
-  if (abs_srctree && !strncmp(abs_srctree, tblname, strlen(abs_srctree)))
-    {
-      rel_tblname = tblname + strlen(abs_srctree);
-      while (*rel_tblname == '/')
-	++rel_tblname;
-    }
-  else
-    rel_tblname = tblname;
-
   /* For now we assume the default font is always 256 characters. */
   fontlen = 256;
 
@@ -255,16 +244,13 @@ int main(int argc, char *argv[])
 
   printf("\
 /*\n\
- * Do not edit this file; it was automatically generated by\n\
- *\n\
- * conmakehash %s > [this file]\n\
- *\n\
+ * Automatically generated file; Do not edit.\n\
  */\n\
 \n\
 #include <linux/types.h>\n\
 \n\
 u8 dfont_unicount[%d] = \n\
-{\n\t", rel_tblname, fontlen);
+{\n\t", fontlen);
 
   for ( i = 0 ; i < fontlen ; i++ )
     {