From: Esben Haabendal <esben@haabendal.dk>
To: "Enrico Weigelt\, metux IT consult" <info@metux.net>
Cc: linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org,
andrew@aj.id.au, andriy.shevchenko@linux.intel.com,
macro@linux-mips.org, vz@mleia.com, slemieux.tyco@gmail.com,
khilman@baylibre.com, liviu.dudau@arm.com, sudeep.holla@arm.com,
lorenzo.pieralisi@arm.com, davem@davemloft.net,
jacmet@sunsite.dk, linux@prisktech.co.nz, matthias.bgg@gmail.com,
linux-mips@vger.kernel.org, linux-serial@vger.kernel.org,
linux-ia64@vger.kernel.org, linux-amlogic@lists.infradead.org,
linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org
Subject: Re: [PATCH 40/41] drivers: tty: serial: helper for setting mmio range
Date: Mon, 29 Apr 2019 08:57:43 +0200 [thread overview]
Message-ID: <87muk9z4bc.fsf@haabendal.dk> (raw)
In-Reply-To: <1556369542-13247-41-git-send-email-info@metux.net> (Enrico Weigelt's message of "Sat, 27 Apr 2019 14:52:21 +0200")
"Enrico Weigelt, metux IT consult" <info@metux.net> writes:
> @@ -131,7 +133,8 @@ int __init hp300_setup_serial_console(void)
> pr_info("Serial console is HP DCA at select code %d\n", scode);
>
> port.uartclk = HPDCA_BAUD_BASE * 16;
> - port.mapbase = (pa + UART_OFFSET);
> +
> + uart_memres_set_start_len(&port, (pa + UART_OFFSET));
Missing length argument here.
> port.membase = (char *)(port.mapbase + DIO_VIRADDRBASE);
> port.regshift = 1;
> port.irq = DIO_IPL(pa + DIO_VIRADDRBASE);
> diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
> index cf8ca66..895c90c 100644
> --- a/drivers/tty/serial/xilinx_uartps.c
> +++ b/drivers/tty/serial/xilinx_uartps.c
> @@ -1626,8 +1626,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
> * This function also registers this device with the tty layer
> * and triggers invocation of the config_port() entry point.
> */
> - port->mapbase = res->start;
> - port->mapsize = CDNS_UART_REGISTER_SPACE;
> + uart_memres_set_start_len(res->start, CDNS_UART_REGISTER_SPACE);
Missing 1st (port) argument here.
> port->irq = irq;
> port->dev = &pdev->dev;
> port->uartclk = clk_get_rate(cdns_uart_data->uartclk);
> diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
> index 5fe2b03..d891c8d 100644
> --- a/include/linux/serial_core.h
> +++ b/include/linux/serial_core.h
> @@ -427,6 +427,46 @@ void uart_console_write(struct uart_port *port, const char *s,
> int uart_match_port(struct uart_port *port1, struct uart_port *port2);
>
> /*
> + * set physical io range from struct resource
> + * if resource is NULL, clear the fields
> + * also set the iotype to UPIO_MEM
> + */
> +static inline void uart_memres_set_res(struct uart_port *port,
> + struct resource *res)
> +{
> + if (!res) {
> + port->mapsize = 0;
> + port->mapbase = 0;
> + port->iobase = 0;
> + return;
> + }
> +
> + if (resource_type(res) == IORESOURCE_IO) {
> + port->iotype = UPIO_PORT;
> + port->iobase = resource->start;
> + return;
> + }
> +
> + uart->mapbase = res->start;
> + uart->mapsize = resource_size(res);
> + uart->iotype = UPIO_MEM;
Hardcoding UPIO_MEM like does not work for drivers using other kind of
memory access, like UPIO_MEM16, UPIO_MEM32 and UPIO_MEM32BE.
Why not leave the control of iotype to drivers as before this patch?
> +}
> +
> +/*
> + * set physical io range by start address and length
> + * if resource is NULL, clear the fields
> + * also set the iotype to UPIO_MEM
> + */
> +static inline void uart_memres_set_start_len(struct uart_driver *uart,
> + resource_size_t start,
> + resource_size_t len)
> +{
> + uart->mapbase = start;
> + uart->mapsize = len;
> + uart->iotype = UPIO_MEM;
Same here, other iotype values must be possible.
> +}
> +
> +/*
> * Power Management
> */
> int uart_suspend_port(struct uart_driver *reg, struct uart_port *port);
/Esben
next prev parent reply other threads:[~2019-04-29 7:13 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-27 12:51 serial drivers polishing Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 01/41] drivers: tty: serial: dz: use dev_err() instead of printk() Enrico Weigelt, metux IT consult
2019-04-27 13:29 ` Greg KH
2019-04-29 14:11 ` Enrico Weigelt, metux IT consult
2019-04-29 14:23 ` Greg KH
2019-04-27 13:31 ` Greg KH
2019-04-29 7:23 ` Enrico Weigelt, metux IT consult
2019-04-29 12:37 ` Enrico Weigelt, metux IT consult
2019-04-29 13:12 ` Greg KH
2019-05-01 2:20 ` Maciej W. Rozycki
2019-04-27 12:51 ` [PATCH 02/41] drivers: tty: serial: dz: include <linux/io.h> instead of <asm/io.h> Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 03/41] drivers: tty: serial: dz: fix missing parentheses Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 04/41] drivers: tty: serial: dz: fix use fix bare 'unsigned' Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 05/41] drivers: tty: serial: dz: use pr_info() instead of incomplete printk() Enrico Weigelt, metux IT consult
2019-04-27 13:30 ` Greg KH
2019-04-27 12:51 ` [PATCH 06/41] drivers: tty: serial: sb1250-duart: use dev_err() instead of printk() Enrico Weigelt, metux IT consult
2019-05-01 2:29 ` Maciej W. Rozycki
2019-04-27 12:51 ` [PATCH 07/41] drivers: tty: serial: sb1250-duart: include <linux/io.h> instead of <asm/io.h> Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 08/41] drivers: tty: serial: sb1250-duart: fix checkpatch warning on printk() Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 09/41] drivers: tty: serial: sb1250-duart: fill mapsize and use it Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 10/41] drivers: tty: serial: sb1250-duart: fix missing parentheses Enrico Weigelt, metux IT consult
2019-04-27 13:32 ` Greg KH
2019-04-27 12:51 ` [PATCH 11/41] drivers: tty: serial: sb1250-duart: fix formatting error Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 12/41] drivers: tty: serial: uartlite: use dev_dbg() instead of pr_debug() Enrico Weigelt, metux IT consult
2019-04-29 15:26 ` Peter Korsgaard
2019-04-27 12:51 ` [PATCH 13/41] drivers: tty: serial: uartlite: fill mapsize and use it Enrico Weigelt, metux IT consult
2019-04-29 15:19 ` Peter Korsgaard
2019-04-29 18:26 ` Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 14/41] drivers: tty: serial: uartlite: remove unnecessary braces Enrico Weigelt, metux IT consult
2019-04-29 15:20 ` Peter Korsgaard
2019-04-27 12:51 ` [PATCH 15/41] drivers: tty: serial: uartlite: fix use fix bare 'unsigned' Enrico Weigelt, metux IT consult
2019-04-29 15:21 ` Peter Korsgaard
2019-04-27 12:51 ` [PATCH 16/41] drivers: tty: serial: uartlite: fix overlong lines Enrico Weigelt, metux IT consult
2019-04-29 15:24 ` Peter Korsgaard
2019-04-27 12:51 ` [PATCH 17/41] drivers: tty: serial: apbuart: fix logging calls Enrico Weigelt, metux IT consult
2019-04-27 12:51 ` [PATCH 18/41] drivers: tty: serial: apbuart: use dev_info() instead of printk() Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 19/41] drivers: tty: serial: apbuart: fix code formatting Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 20/41] drivers: tty: serial: cpm_uart: use dev_err()/dev_warn() instead of printk() Enrico Weigelt, metux IT consult
2019-04-29 16:02 ` Christophe Leroy
2019-04-27 12:52 ` [PATCH 21/41] drivers: tty: serial: cpm_uart: fix includes Enrico Weigelt, metux IT consult
2019-04-29 16:02 ` Christophe Leroy
2019-04-27 12:52 ` [PATCH 22/41] drivers: tty: serial: cpm_uart: fix logging calls Enrico Weigelt, metux IT consult
2019-04-29 15:59 ` Christophe Leroy
2019-04-29 16:20 ` Enrico Weigelt, metux IT consult
2019-04-30 14:10 ` Andy Shevchenko
2019-04-27 12:52 ` [PATCH 23/41] drivers: tty: serial: cpm_uart: fix styling issues Enrico Weigelt, metux IT consult
2019-04-29 15:56 ` Christophe Leroy
2019-04-27 12:52 ` [PATCH 24/41] drivers: tty: serial: timbuart: use dev_err() instead of printk() Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 25/41] drivers: tty: serial: timbuart: fix formatting issues Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 26/41] drivers: tty: serial: sunzilog: use dev_info() instead of printk() Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 27/41] drivers: tty: serial: sunzilog: fix formatting issues Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 28/41] drivers: tty: serial: sunzilog: fix includes Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 29/41] drivers: tty: serial: sunzilog: cleanup logging Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 30/41] drivers: tty: serial: ioc4_serial: use dev_warn() instead of printk() Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 31/41] drivers: tty: serial: ioc4_serial: use pr_*() " Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 32/41] drivers: tty: serial: 21285: define's for address/size, use mapsize field Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 33/41] drivers: tty: serial: zs: use dev_err() instead of printk() Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 34/41] drivers: tty: serial: zs: fill mapsize and use it Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 35/41] drivers: tty: serial: 8250: add mapsize to platform data Enrico Weigelt, metux IT consult
2019-04-29 7:06 ` Esben Haabendal
2019-04-27 12:52 ` [PATCH 36/41] drivers: tty: serial: 8250: store mmio resource size in port struct Enrico Weigelt, metux IT consult
2019-04-28 15:18 ` Andy Shevchenko
2019-04-29 14:55 ` Enrico Weigelt, metux IT consult
2019-04-29 15:39 ` Andy Shevchenko
2019-04-27 12:52 ` [PATCH 37/41] drivers: tty: serial: 8250: simplify io resource size computation Enrico Weigelt, metux IT consult
2019-04-27 13:03 ` John Paul Adrian Glaubitz
2019-04-29 15:58 ` Enrico Weigelt, metux IT consult
2019-04-28 15:21 ` Andy Shevchenko
2019-04-29 6:48 ` Enrico Weigelt, metux IT consult
2019-04-29 13:19 ` Andy Shevchenko
2019-04-27 12:52 ` [PATCH 38/41] drivers: tty: serial: xilinx_uartps: fill mapsize and use it Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 39/41] drivers: tty: serial: pmac_zilog: " Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 40/41] drivers: tty: serial: helper for setting mmio range Enrico Weigelt, metux IT consult
2019-04-28 15:39 ` Andy Shevchenko
2019-04-29 10:12 ` Enrico Weigelt, metux IT consult
2019-04-29 13:28 ` Andy Shevchenko
2019-04-29 6:57 ` Esben Haabendal [this message]
2019-04-29 7:03 ` Esben Haabendal
2019-04-29 9:43 ` Enrico Weigelt, metux IT consult
2019-04-27 12:52 ` [PATCH 41/41] drivers: tty: serial: lpc32xx_hs: fill mapsize and use it Enrico Weigelt, metux IT consult
2019-04-30 20:52 ` Vladimir Zapolskiy
2019-04-29 16:16 ` serial drivers polishing Christophe Leroy
2019-04-29 16:50 ` Enrico Weigelt, metux IT consult
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