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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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serial/mpc52xx_uart: remove code associated with !CONFIG_PPC_MERGE
Now that arch/ppc is gone we don't need CONFIG_PPC_MERGE anymore remove the dead code associated with !CONFIG_PPC_MERGE. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
parent
782f04fc0c
commit
8d1fb8cbaa
@ -72,13 +72,8 @@
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#include <linux/console.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#if defined(CONFIG_PPC_MERGE)
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#include <linux/of.h>
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#include <linux/of_platform.h>
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#else
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#include <linux/platform_device.h>
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#endif
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#include <asm/mpc52xx.h>
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#include <asm/mpc512x.h>
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@ -107,12 +102,11 @@ static struct uart_port mpc52xx_uart_ports[MPC52xx_PSC_MAXNUM];
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* it's cleared, then a memset(...,0,...) should be added to
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* the console_init
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*/
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#if defined(CONFIG_PPC_MERGE)
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/* lookup table for matching device nodes to index numbers */
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static struct device_node *mpc52xx_uart_nodes[MPC52xx_PSC_MAXNUM];
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static void mpc52xx_uart_of_enumerate(void);
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#endif
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#define PSC(port) ((struct mpc52xx_psc __iomem *)((port)->membase))
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@ -255,17 +249,12 @@ static void mpc52xx_psc_cw_restore_ints(struct uart_port *port)
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/* Search for bus-frequency property in this node or a parent */
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static unsigned long mpc52xx_getuartclk(void *p)
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{
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#if defined(CONFIG_PPC_MERGE)
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/*
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* 5200 UARTs have a / 32 prescaler
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* but the generic serial code assumes 16
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* so return ipb freq / 2
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*/
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return mpc52xx_find_ipb_freq(p) / 2;
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#else
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pr_debug("unexpected call to mpc52xx_getuartclk with arch/ppc\n");
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return NULL;
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#endif
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}
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static struct psc_ops mpc52xx_psc_ops = {
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@ -886,10 +875,6 @@ mpc52xx_console_get_options(struct uart_port *port,
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/* CT{U,L}R are write-only ! */
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*baud = CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD;
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#if !defined(CONFIG_PPC_MERGE)
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if (__res.bi_baudrate)
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*baud = __res.bi_baudrate;
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#endif
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/* Parse them */
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switch (mr1 & MPC52xx_PSC_MODE_BITS_MASK) {
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@ -946,42 +931,6 @@ mpc52xx_console_write(struct console *co, const char *s, unsigned int count)
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psc_ops->cw_restore_ints(port);
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}
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#if !defined(CONFIG_PPC_MERGE)
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static int __init
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mpc52xx_console_setup(struct console *co, char *options)
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{
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struct uart_port *port = &mpc52xx_uart_ports[co->index];
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int baud = CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD;
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int bits = 8;
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int parity = 'n';
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int flow = 'n';
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if (co->index < 0 || co->index >= MPC52xx_PSC_MAXNUM)
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return -EINVAL;
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/* Basic port init. Needed since we use some uart_??? func before
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* real init for early access */
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spin_lock_init(&port->lock);
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port->uartclk = __res.bi_ipbfreq / 2; /* Look at CTLR doc */
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port->ops = &mpc52xx_uart_ops;
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port->mapbase = MPC52xx_PA(MPC52xx_PSCx_OFFSET(co->index+1));
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/* We ioremap ourself */
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port->membase = ioremap(port->mapbase, MPC52xx_PSC_SIZE);
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if (port->membase == NULL)
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return -EINVAL;
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/* Setup the port parameters accoding to options */
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if (options)
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uart_parse_options(options, &baud, &parity, &bits, &flow);
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else
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mpc52xx_console_get_options(port, &baud, &parity, &bits, &flow);
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return uart_set_options(port, co, baud, parity, bits, flow);
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}
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#else
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static int __init
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mpc52xx_console_setup(struct console *co, char *options)
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@ -1053,7 +1002,6 @@ mpc52xx_console_setup(struct console *co, char *options)
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return uart_set_options(port, co, baud, parity, bits, flow);
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}
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#endif /* defined(CONFIG_PPC_MERGE) */
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static struct uart_driver mpc52xx_uart_driver;
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@ -1072,9 +1020,7 @@ static struct console mpc52xx_console = {
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static int __init
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mpc52xx_console_init(void)
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{
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#if defined(CONFIG_PPC_MERGE)
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mpc52xx_uart_of_enumerate();
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#endif
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register_console(&mpc52xx_console);
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return 0;
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}
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@ -1100,115 +1046,6 @@ static struct uart_driver mpc52xx_uart_driver = {
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.cons = MPC52xx_PSC_CONSOLE,
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};
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#if !defined(CONFIG_PPC_MERGE)
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/* ======================================================================== */
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/* Platform Driver */
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/* ======================================================================== */
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static int __devinit
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mpc52xx_uart_probe(struct platform_device *dev)
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{
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struct resource *res = dev->resource;
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struct uart_port *port = NULL;
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int i, idx, ret;
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/* Check validity & presence */
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idx = dev->id;
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if (idx < 0 || idx >= MPC52xx_PSC_MAXNUM)
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return -EINVAL;
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if (!mpc52xx_match_psc_function(idx, "uart"))
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return -ENODEV;
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/* Init the port structure */
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port = &mpc52xx_uart_ports[idx];
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spin_lock_init(&port->lock);
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port->uartclk = __res.bi_ipbfreq / 2; /* Look at CTLR doc */
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port->fifosize = 512;
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port->iotype = UPIO_MEM;
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port->flags = UPF_BOOT_AUTOCONF |
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(uart_console(port) ? 0 : UPF_IOREMAP);
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port->line = idx;
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port->ops = &mpc52xx_uart_ops;
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port->dev = &dev->dev;
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/* Search for IRQ and mapbase */
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for (i = 0 ; i < dev->num_resources ; i++, res++) {
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if (res->flags & IORESOURCE_MEM)
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port->mapbase = res->start;
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else if (res->flags & IORESOURCE_IRQ)
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port->irq = res->start;
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}
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if (!port->irq || !port->mapbase)
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return -EINVAL;
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/* Add the port to the uart sub-system */
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ret = uart_add_one_port(&mpc52xx_uart_driver, port);
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if (!ret)
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platform_set_drvdata(dev, (void *)port);
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return ret;
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}
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static int
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mpc52xx_uart_remove(struct platform_device *dev)
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{
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struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);
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platform_set_drvdata(dev, NULL);
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if (port)
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uart_remove_one_port(&mpc52xx_uart_driver, port);
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return 0;
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}
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#ifdef CONFIG_PM
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static int
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mpc52xx_uart_suspend(struct platform_device *dev, pm_message_t state)
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{
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struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);
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if (port)
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uart_suspend_port(&mpc52xx_uart_driver, port);
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return 0;
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}
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static int
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mpc52xx_uart_resume(struct platform_device *dev)
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{
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struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);
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if (port)
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uart_resume_port(&mpc52xx_uart_driver, port);
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return 0;
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}
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#endif
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/* work with hotplug and coldplug */
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MODULE_ALIAS("platform:mpc52xx-psc");
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static struct platform_driver mpc52xx_uart_platform_driver = {
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.probe = mpc52xx_uart_probe,
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.remove = mpc52xx_uart_remove,
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#ifdef CONFIG_PM
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.suspend = mpc52xx_uart_suspend,
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.resume = mpc52xx_uart_resume,
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#endif
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.driver = {
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.owner = THIS_MODULE,
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.name = "mpc52xx-psc",
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},
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};
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#endif /* !defined(CONFIG_PPC_MERGE) */
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#if defined(CONFIG_PPC_MERGE)
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/* ======================================================================== */
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/* OF Platform Driver */
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/* ======================================================================== */
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@ -1402,7 +1239,6 @@ static struct of_platform_driver mpc52xx_uart_of_driver = {
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.name = "mpc52xx-psc-uart",
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},
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};
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#endif /* defined(CONFIG_PPC_MERGE) */
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/* ======================================================================== */
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@ -1423,7 +1259,6 @@ mpc52xx_uart_init(void)
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return ret;
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}
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#if defined(CONFIG_PPC_MERGE)
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mpc52xx_uart_of_enumerate();
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ret = of_register_platform_driver(&mpc52xx_uart_of_driver);
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@ -1433,16 +1268,6 @@ mpc52xx_uart_init(void)
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uart_unregister_driver(&mpc52xx_uart_driver);
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return ret;
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}
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#else
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psc_ops = &mpc52xx_psc_ops;
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ret = platform_driver_register(&mpc52xx_uart_platform_driver);
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if (ret) {
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printk(KERN_ERR "%s: platform_driver_register failed (%i)\n",
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__FILE__, ret);
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uart_unregister_driver(&mpc52xx_uart_driver);
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return ret;
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}
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#endif
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return 0;
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}
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@ -1450,11 +1275,7 @@ mpc52xx_uart_init(void)
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static void __exit
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mpc52xx_uart_exit(void)
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{
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#if defined(CONFIG_PPC_MERGE)
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of_unregister_platform_driver(&mpc52xx_uart_of_driver);
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#else
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platform_driver_unregister(&mpc52xx_uart_platform_driver);
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#endif
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uart_unregister_driver(&mpc52xx_uart_driver);
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}
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