Message ID | 1453806246-13405-1-git-send-email-nicolas.ferre@atmel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Le 26/01/2016 12:04, Nicolas Ferre a écrit : > From: Jaeden Amero <jaeden.amero@ni.com> > > In all functions other than atmel_serial_probe_fifos, > atmel_serial_probe, and atmel_console_init, the name "port" is used to > refer to an instance of struct uart_port. In many of these functions, > "atmel_port" is used to refer to an instance of struct atmel_uart_port. > > We make the use of the name "port" consistent by making > atmel_serial_probe_fifos, atmel_serial_probe, and atmel_console_init > use "atmel_port" to refer to an instance of struct atmel_uart_port > instead of the previous name of "port". > > Signed-off-by: Jaeden Amero <jaeden.amero@ni.com> > Signed-off-by: Kyle Roeschley <kyle.roeschley@ni.com> > Acked-by: Karthik Manamcheri <karthik.manamcheri@ni.com> > Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> > --- > v2: - fix typo in variable Okay, let's face it: this patch is outdated. So this v2 still fails to compile. Before hiding in a deep hole, I recompile this driver, test it and send a v3. Here again, sorry for the noise :-( Bye, > drivers/tty/serial/atmel_serial.c | 81 ++++++++++++++++++++------------------- > 1 file changed, 41 insertions(+), 40 deletions(-) > > diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c > index 1c0884d8ef32..555111955b75 100644 > --- a/drivers/tty/serial/atmel_serial.c > +++ b/drivers/tty/serial/atmel_serial.c > @@ -2478,13 +2478,13 @@ static int __init atmel_console_init(void) > struct atmel_uart_data *pdata = > dev_get_platdata(&atmel_default_console_device->dev); > int id = pdata->num; > - struct atmel_uart_port *port = &atmel_ports[id]; > + struct atmel_uart_port *atmel_port = &atmel_ports[id]; > > - port->backup_imr = 0; > - port->uart.line = id; > + atmel_port->backup_imr = 0; > + atmel_port->uart.line = id; > > add_preferred_console(ATMEL_DEVICENAME, id, NULL); > - ret = atmel_init_port(port, atmel_default_console_device); > + ret = atmel_init_port(atmel_port, atmel_default_console_device); > if (ret) > return ret; > register_console(&atmel_console); > @@ -2599,23 +2599,23 @@ static int atmel_serial_resume(struct platform_device *pdev) > #define atmel_serial_resume NULL > #endif > > -static void atmel_serial_probe_fifos(struct atmel_uart_port *port, > +static void atmel_serial_probe_fifos(struct atmel_uart_port *atmel_port, > struct platform_device *pdev) > { > - port->fifo_size = 0; > - port->rts_low = 0; > - port->rts_high = 0; > + atmel_port->fifo_size = 0; > + atmel_port->rts_low = 0; > + atmel_port->rts_high = 0; > > if (of_property_read_u32(pdev->dev.of_node, > "atmel,fifo-size", > - &port->fifo_size)) > + &atmel_port->fifo_size)) > return; > > - if (!port->fifo_size) > + if (!atmel_port->fifo_size) > return; > > - if (port->fifo_size < ATMEL_MIN_FIFO_SIZE) { > - port->fifo_size = 0; > + if (atmel_port->fifo_size < ATMEL_MIN_FIFO_SIZE) { > + atmel_port->fifo_size = 0; > dev_err(&pdev->dev, "Invalid FIFO size\n"); > return; > } > @@ -2628,22 +2628,22 @@ static void atmel_serial_probe_fifos(struct atmel_uart_port *port, > * Threshold to a reasonably high value respecting this 16 data > * empirical rule when possible. > */ > - port->rts_high = max_t(int, port->fifo_size >> 1, > - port->fifo_size - ATMEL_RTS_HIGH_OFFSET); > - port->rts_low = max_t(int, port->fifo_size >> 2, > - port->fifo_size - ATMEL_RTS_LOW_OFFSET); > + atmel_port->rts_high = max_t(int, atmel_port->fifo_size >> 1, > + atmel_port->fifo_size - ATMEL_RTS_HIGH_OFFSET); > + atmel_port->rts_low = max_t(int, atmel_port->fifo_size >> 2, > + atmel_port->fifo_size - ATMEL_RTS_LOW_OFFSET); > > dev_info(&pdev->dev, "Using FIFO (%u data)\n", > - port->fifo_size); > + atmel_port->fifo_size); > dev_dbg(&pdev->dev, "RTS High Threshold : %2u data\n", > - port->rts_high); > + atmel_port->rts_high); > dev_dbg(&pdev->dev, "RTS Low Threshold : %2u data\n", > - port->rts_low); > + atmel_port->rts_low); > } > > static int atmel_serial_probe(struct platform_device *pdev) > { > - struct atmel_uart_port *port; > + struct atmel_uart_port *atmel_port; > struct device_node *np = pdev->dev.of_node; > struct atmel_uart_data *pdata = dev_get_platdata(&pdev->dev); > void *data; > @@ -2674,14 +2674,14 @@ static int atmel_serial_probe(struct platform_device *pdev) > goto err; > } > > - port = &atmel_ports[ret]; > - port->backup_imr = 0; > - port->uart.line = ret; > - atmel_serial_probe_fifos(port, pdev); > + atmel_port = &atmel_ports[ret]; > + atmel_port->backup_imr = 0; > + atmel_port->uart.line = ret; > + atmel_serial_probe_fifos(atmel_port, pdev); > > - spin_lock_init(&port->lock_suspended); > + spin_lock_init(&atmel_port->lock_suspended); > > - ret = atmel_init_port(port, pdev); > + ret = atmel_init_port(atmel_port, pdev); > if (ret) > goto err_clear_bit; > > @@ -2691,34 +2691,34 @@ static int atmel_serial_probe(struct platform_device *pdev) > goto err_clear_bit; > } > > - if (!atmel_use_pdc_rx(&port->uart)) { > + if (!atmel_use_pdc_rx(&atmel_port->uart)) { > ret = -ENOMEM; > data = kmalloc(sizeof(struct atmel_uart_char) > * ATMEL_SERIAL_RINGSIZE, GFP_KERNEL); > if (!data) > goto err_alloc_ring; > - port->rx_ring.buf = data; > + atmel_port->rx_ring.buf = data; > } > > - rs485_enabled = port->uart.rs485.flags & SER_RS485_ENABLED; > + rs485_enabled = atmel_port->uart.rs485.flags & SER_RS485_ENABLED; > > - ret = uart_add_one_port(&atmel_uart, &port->uart); > + ret = uart_add_one_port(&atmel_uart, &atmel_port->uart); > if (ret) > goto err_add_port; > > #ifdef CONFIG_SERIAL_ATMEL_CONSOLE > - if (atmel_is_console_port(&port->uart) > + if (atmel_is_console_port(&atmel_port->uart) > && ATMEL_CONSOLE_DEVICE->flags & CON_ENABLED) { > /* > * The serial core enabled the clock for us, so undo > * the clk_prepare_enable() in atmel_console_setup() > */ > - clk_disable_unprepare(port->clk); > + clk_disable_unprepare(atmel_port->clk); > } > #endif > > device_init_wakeup(&pdev->dev, 1); > - platform_set_drvdata(pdev, port); > + platform_set_drvdata(pdev, atmel_port); > > /* > * The peripheral clock has been disabled by atmel_init_port(): > @@ -2727,9 +2727,10 @@ static int atmel_serial_probe(struct platform_device *pdev) > clk_prepare_enable(port->clk); > > if (rs485_enabled) { > - atmel_uart_writel(&port->uart, ATMEL_US_MR, > + atmel_uart_writel(&atmel_port->uart, ATMEL_US_MR, > ATMEL_US_USMODE_NORMAL); > - atmel_uart_writel(&port->uart, ATMEL_US_CR, ATMEL_US_RTSEN); > + atmel_uart_writel(&atmel_port->uart, ATMEL_US_CR, > + ATMEL_US_RTSEN); > } > > /* > @@ -2746,12 +2747,12 @@ static int atmel_serial_probe(struct platform_device *pdev) > return 0; > > err_add_port: > - kfree(port->rx_ring.buf); > - port->rx_ring.buf = NULL; > + kfree(atmel_port->rx_ring.buf); > + atmel_port->rx_ring.buf = NULL; > err_alloc_ring: > - if (!atmel_is_console_port(&port->uart)) { > - clk_put(port->clk); > - port->clk = NULL; > + if (!atmel_is_console_port(&atmel_port->uart)) { > + clk_put(atmel_port->clk); > + atmel_port->clk = NULL; > } > err_clear_bit: > clear_bit(port->uart.line, atmel_ports_in_use); >
Hi Jaeden,
[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.5-rc1 next-20160125]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Nicolas-Ferre/serial-atmel-Use-atmel_port-consistently/20160126-190554
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: xtensa-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=xtensa
All errors (new ones prefixed by >>):
drivers/tty/serial/atmel_serial.c: In function 'atmel_serial_probe':
>> drivers/tty/serial/atmel_serial.c:2688:2: error: 'port' undeclared (first use in this function)
port->gpios = mctrl_gpio_init(&port->uart, 0);
^
drivers/tty/serial/atmel_serial.c:2688:2: note: each undeclared identifier is reported only once for each function it appears in
vim +/port +2688 drivers/tty/serial/atmel_serial.c
f1d867e0 drivers/tty/serial/atmel_serial.c Jaeden Amero 2016-01-26 2682 spin_lock_init(&atmel_port->lock_suspended);
2c7af5ba drivers/tty/serial/atmel_serial.c Boris BREZILLON 2015-03-02 2683
f1d867e0 drivers/tty/serial/atmel_serial.c Jaeden Amero 2016-01-26 2684 ret = atmel_init_port(atmel_port, pdev);
91f8c2d8 drivers/tty/serial/atmel_serial.c Boris BREZILLON 2013-06-19 2685 if (ret)
6fbb9bdf drivers/tty/serial/atmel_serial.c Cyrille Pitchen 2014-12-09 2686 goto err_clear_bit;
afefc415 drivers/serial/at91_serial.c Andrew Victor 2006-06-19 2687
18dfef9c drivers/tty/serial/atmel_serial.c Uwe Kleine-König 2015-10-18 @2688 port->gpios = mctrl_gpio_init(&port->uart, 0);
18dfef9c drivers/tty/serial/atmel_serial.c Uwe Kleine-König 2015-10-18 2689 if (IS_ERR(port->gpios)) {
18dfef9c drivers/tty/serial/atmel_serial.c Uwe Kleine-König 2015-10-18 2690 ret = PTR_ERR(port->gpios);
18dfef9c drivers/tty/serial/atmel_serial.c Uwe Kleine-König 2015-10-18 2691 goto err_clear_bit;
:::::: The code at line 2688 was first introduced by commit
:::::: 18dfef9c7f87b75bbb0fb66a634f7c13a45b9f8d serial: atmel: convert to irq handling provided mctrl-gpio
:::::: TO: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 1c0884d8ef32..555111955b75 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -2478,13 +2478,13 @@ static int __init atmel_console_init(void) struct atmel_uart_data *pdata = dev_get_platdata(&atmel_default_console_device->dev); int id = pdata->num; - struct atmel_uart_port *port = &atmel_ports[id]; + struct atmel_uart_port *atmel_port = &atmel_ports[id]; - port->backup_imr = 0; - port->uart.line = id; + atmel_port->backup_imr = 0; + atmel_port->uart.line = id; add_preferred_console(ATMEL_DEVICENAME, id, NULL); - ret = atmel_init_port(port, atmel_default_console_device); + ret = atmel_init_port(atmel_port, atmel_default_console_device); if (ret) return ret; register_console(&atmel_console); @@ -2599,23 +2599,23 @@ static int atmel_serial_resume(struct platform_device *pdev) #define atmel_serial_resume NULL #endif -static void atmel_serial_probe_fifos(struct atmel_uart_port *port, +static void atmel_serial_probe_fifos(struct atmel_uart_port *atmel_port, struct platform_device *pdev) { - port->fifo_size = 0; - port->rts_low = 0; - port->rts_high = 0; + atmel_port->fifo_size = 0; + atmel_port->rts_low = 0; + atmel_port->rts_high = 0; if (of_property_read_u32(pdev->dev.of_node, "atmel,fifo-size", - &port->fifo_size)) + &atmel_port->fifo_size)) return; - if (!port->fifo_size) + if (!atmel_port->fifo_size) return; - if (port->fifo_size < ATMEL_MIN_FIFO_SIZE) { - port->fifo_size = 0; + if (atmel_port->fifo_size < ATMEL_MIN_FIFO_SIZE) { + atmel_port->fifo_size = 0; dev_err(&pdev->dev, "Invalid FIFO size\n"); return; } @@ -2628,22 +2628,22 @@ static void atmel_serial_probe_fifos(struct atmel_uart_port *port, * Threshold to a reasonably high value respecting this 16 data * empirical rule when possible. */ - port->rts_high = max_t(int, port->fifo_size >> 1, - port->fifo_size - ATMEL_RTS_HIGH_OFFSET); - port->rts_low = max_t(int, port->fifo_size >> 2, - port->fifo_size - ATMEL_RTS_LOW_OFFSET); + atmel_port->rts_high = max_t(int, atmel_port->fifo_size >> 1, + atmel_port->fifo_size - ATMEL_RTS_HIGH_OFFSET); + atmel_port->rts_low = max_t(int, atmel_port->fifo_size >> 2, + atmel_port->fifo_size - ATMEL_RTS_LOW_OFFSET); dev_info(&pdev->dev, "Using FIFO (%u data)\n", - port->fifo_size); + atmel_port->fifo_size); dev_dbg(&pdev->dev, "RTS High Threshold : %2u data\n", - port->rts_high); + atmel_port->rts_high); dev_dbg(&pdev->dev, "RTS Low Threshold : %2u data\n", - port->rts_low); + atmel_port->rts_low); } static int atmel_serial_probe(struct platform_device *pdev) { - struct atmel_uart_port *port; + struct atmel_uart_port *atmel_port; struct device_node *np = pdev->dev.of_node; struct atmel_uart_data *pdata = dev_get_platdata(&pdev->dev); void *data; @@ -2674,14 +2674,14 @@ static int atmel_serial_probe(struct platform_device *pdev) goto err; } - port = &atmel_ports[ret]; - port->backup_imr = 0; - port->uart.line = ret; - atmel_serial_probe_fifos(port, pdev); + atmel_port = &atmel_ports[ret]; + atmel_port->backup_imr = 0; + atmel_port->uart.line = ret; + atmel_serial_probe_fifos(atmel_port, pdev); - spin_lock_init(&port->lock_suspended); + spin_lock_init(&atmel_port->lock_suspended); - ret = atmel_init_port(port, pdev); + ret = atmel_init_port(atmel_port, pdev); if (ret) goto err_clear_bit; @@ -2691,34 +2691,34 @@ static int atmel_serial_probe(struct platform_device *pdev) goto err_clear_bit; } - if (!atmel_use_pdc_rx(&port->uart)) { + if (!atmel_use_pdc_rx(&atmel_port->uart)) { ret = -ENOMEM; data = kmalloc(sizeof(struct atmel_uart_char) * ATMEL_SERIAL_RINGSIZE, GFP_KERNEL); if (!data) goto err_alloc_ring; - port->rx_ring.buf = data; + atmel_port->rx_ring.buf = data; } - rs485_enabled = port->uart.rs485.flags & SER_RS485_ENABLED; + rs485_enabled = atmel_port->uart.rs485.flags & SER_RS485_ENABLED; - ret = uart_add_one_port(&atmel_uart, &port->uart); + ret = uart_add_one_port(&atmel_uart, &atmel_port->uart); if (ret) goto err_add_port; #ifdef CONFIG_SERIAL_ATMEL_CONSOLE - if (atmel_is_console_port(&port->uart) + if (atmel_is_console_port(&atmel_port->uart) && ATMEL_CONSOLE_DEVICE->flags & CON_ENABLED) { /* * The serial core enabled the clock for us, so undo * the clk_prepare_enable() in atmel_console_setup() */ - clk_disable_unprepare(port->clk); + clk_disable_unprepare(atmel_port->clk); } #endif device_init_wakeup(&pdev->dev, 1); - platform_set_drvdata(pdev, port); + platform_set_drvdata(pdev, atmel_port); /* * The peripheral clock has been disabled by atmel_init_port(): @@ -2727,9 +2727,10 @@ static int atmel_serial_probe(struct platform_device *pdev) clk_prepare_enable(port->clk); if (rs485_enabled) { - atmel_uart_writel(&port->uart, ATMEL_US_MR, + atmel_uart_writel(&atmel_port->uart, ATMEL_US_MR, ATMEL_US_USMODE_NORMAL); - atmel_uart_writel(&port->uart, ATMEL_US_CR, ATMEL_US_RTSEN); + atmel_uart_writel(&atmel_port->uart, ATMEL_US_CR, + ATMEL_US_RTSEN); } /* @@ -2746,12 +2747,12 @@ static int atmel_serial_probe(struct platform_device *pdev) return 0; err_add_port: - kfree(port->rx_ring.buf); - port->rx_ring.buf = NULL; + kfree(atmel_port->rx_ring.buf); + atmel_port->rx_ring.buf = NULL; err_alloc_ring: - if (!atmel_is_console_port(&port->uart)) { - clk_put(port->clk); - port->clk = NULL; + if (!atmel_is_console_port(&atmel_port->uart)) { + clk_put(atmel_port->clk); + atmel_port->clk = NULL; } err_clear_bit: clear_bit(port->uart.line, atmel_ports_in_use);